| 单词 | coagulum |
| 例句 | “The coagula I easily removed and passed the little finger of my left hand through the perfectly smooth opening made by the ball, and found that it had entered the encephalon.” Abraham Lincoln’s assassination: Great joy, then a gunshot 2015-03-27T04:00:00Z Who else would have realized that two and two equals “coagula”? Who else could get Chris out of the sunken place but a man who refuses to be sunk? Jordan Peele’s X-Ray Vision 2017-12-20T05:00:00Z “This movie is a hybrid of genres itself, and the monstrous operation that the movie’s about, the coagula procedure, is in itself a hybridization. Michael was my guy, and I really never looked any further.” Jordan Peele used unknown composer Michael Abels for 'Get Out' — and got a thumbs up from Steven Spielberg 2017-12-07T05:00:00Z I avoid those which stain or which produce firm coagula. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z In chronic cases it may be necessary to lay open the cavity and remove the coagulum. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z To my utter astonishment and dismay, I discovered that my shoe was in every part stained with blood, and that the toes and the sole of the right foot were stiff with coagulum. The Emigrant's Lost Son or, Life Alone in the Forest 2011-10-13T02:00:39.777Z It’s also a prelude to the rest of the movie’s sinister doings, which include a racist cabal of the Armitages and their mostly white friends and culminate in an elaborate medical procedure called “coagula.” Jordan Peele’s X-Ray Vision 2017-12-20T05:00:00Z It is only too common, nevertheless, to note defects, in the finished crepes, which can only be attributed to a failure to observe reasonable care in the transport of the coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z A virulent form of fever is not unfrequently occasioned by retained coagula or placental d�bris which have undergone decomposition. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z This is probably the reason why the coagulum of a colloidal liquid usually presents a vacuolar or spongy structure. The Mechanism of Life As the surgeon had surmised, a coagulum had formed in the wounded vessel, and, the bleeding being thus temporarily arrested, the man rallied into something like strength, and with a mind perfectly conscious and collected. Roland Cashel Volume II (of II) On rising to his feet he perceived that a large coagulum of blood had collected where his head rested all night, and that he could scarcely walk from the effects of his exhaustion. Caxton's Book: A Collection of Essays, Poems, Tales, and Sketches. Unless the boards have been most scrupulously cleansed, the coagulum is found to be contaminated, often to a marked degree. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The py�mic symptoms—viz. suppuration of the coagulum, the separation of emboli, and the formation of metastatic abscesses—are always dependent upon the presence of round bacteria. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The coagulum which forms on the surface of milk when boiled is largely composed of albumen. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente The former supplied a diluent, the latter a haven for the indisputably used-up quill whose feather served to incorporate it with the black coagulum. When Ghost Meets Ghost When this fluid is coagulated, a thick, jelly-like mass floats in the serum, called coagulum. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) It is usual to hand-roll the coagulum before transport, but it is often found that by the time the rubber reaches the factory it has become too hard for subsequent good results. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Thence result the formation of coagula in the congested vessels and deposits of pigmentary matter. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z It differs also from the former by having only a very weak alcoholic fermentation, and by the coagulum being coarse and lumpy instead of being extremely fine. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente In the foot, however, coagulum was formed from the internal flow of blood and gangrene threatened the patient. In Desert and Wilderness The casein of the cow's milk coagulates in one solid mass, and is much less easily penetrated by the digesting fluids than the fine, flaky coagula of woman's or mare's milk. Special Report on Diseases of Cattle This, in turn, would be dependent upon the type of main product, involving the question of transport of latex or coagulum, and the possible provision of batteries of heavy machinery. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The pulmonary artery and its branches are also empty, although the right side of the heart may be filled with dark and soft coagula. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The coagulum exists in an extremely fine state of division, and the liquid froths violently on the bottle being opened. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente The coagula were numerous, and the superficial ones, quite hard and cartilaginous. North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 The cream is easier of digestion to adults, because it contains less of the coagulum or cheesy part, and is also more nutritive. Zoonomia, Vol. II Or, the Laws of Organic Life On cutting open lumps of coagulum brought in from the field division, it has sometimes been noticed that dirt is included, and the foregoing explanation is the only reasonable one. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In the cavities of the heart, which were all enlarged and thickened, particularly the left, were found portions of coagulum mixed with fluid blood. Cases of Organic Diseases of the Heart When left to stand in an open vessel, a thick coagulum forms on the top, which the natives term cheese, and which they eat in a similar manner, and with equal relish. Popular Adventure Tales When left to stand in an open vessel, a thick coagulum forms on the top, which the natives term cheese, and which they eat in a similar manner, and with, equal relish. The Forest Exiles The Perils of a Peruvian Family in the Wilds of the Amazon A coagulum was immediately formed, and a magnesia precipitated from the mixture. Experiments upon magnesia alba, Quicklime, and some other Alcaline Substances This prevents the natural rise of the coagulum, due to retraction, as the mass “sets.” The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Its cavities were filled with black coagulum, which in the right auricle and ventricle had a slight appearance of polypus. Cases of Organic Diseases of the Heart Care must be taken lest it be closed up by coagula during the first hour or two after the operation. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners From these quotations it will be noted that Aristotle attributed the coagulum to the presence of fibres, and in this he anticipated Malpighi's discovery made in the seventeenth century. Fathers of Biology The coagulum thus formed in the mother of nitre may be owing to a quantity of quick-lime contained in it; for quick-lime is used in extracting the salt-petre from its matrix. Experiments upon magnesia alba, Quicklime, and some other Alcaline Substances “Pitting” of Surfaces.—In pan coagulation this “pitted” appearance is usually limited to the under-surface, while coagulum prepared in tanks may exhibit the defect on both faces. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The parietes of the left auricle and ventricle, particularly of the latter, were much thickened, and their cavities were filled with black coagulum. Cases of Organic Diseases of the Heart Fibrinous coagula and polypous concretions may be found in the cavities of the heart. Special Report on Diseases of the Horse By this means the force of the circulation is diminished and the formation of coagula favoured. Manual of Surgery Volume First: General Surgery. Sixth Edition. Particularly evident is this accumulation of coagulated synovia where wounds have been bandaged—there is no mistaking the characteristic straw-colored coagulum which, in such cases, is somewhat tenacious. Lameness of the Horse Veterinary Practitioners' Series, No. 1 The primary cause is to be traced to over-dilution of latex, giving a very soft coagulum which responds too readily to tension and pressure. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Its parietes were thickened; its cavities unnaturally large, and filled with black coagulum. Cases of Organic Diseases of the Heart The coagulum, which is usually fibrinous, is known as a thrombus. Special Report on Diseases of the Horse In this process the coagulum only plays a passive rôle by forming a scaffolding on which the granulation tissue is built up. Manual of Surgery Volume First: General Surgery. Sixth Edition. The hemorrhage was profuse, but ceased spontaneously by the formation of coagulum over the mouth of the divided vessels. Anomalies and Curiosities of Medicine “Dog-ears” due to the folding over of corners of the sheets, and creases due to the rumpling of the coagulum, are generally the result of haste and lack of average care. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The left auricle and ventricle, particularly the first, contained coagulum. Cases of Organic Diseases of the Heart When a fibrinous coagulum is carried into the pulmonary artery from the right side of the heart, the indications are a swelling and infiltration of the lungs and pulmonary apoplexy. Special Report on Diseases of the Horse It seems to me very probable that these isolated sporangia are identical with the hyaline coagula so accurately described by Frerichs, who has observed them in the blood of patients dying of intermittent fevers. Scientific American Supplement, No. 385, May 19, 1883 Fatal hemorrhage had been avoided in this case by the formation of coagulum in the wound during the syncope immediately following the stab, possibly aided by extended exposure to cold. Anomalies and Curiosities of Medicine The coagulum usually remained under treatment in the shed for three to four hours, and then was removed for ordinary air-drying. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z On attempting to dissolve it in ordinary burning alcohol, a white coagulum forms. Scientific American Supplement, No. 392, July 7, 1883 Pathology.—When a coagulum is observed in the heart it may become a question whether it was formed during life or after death. Special Report on Diseases of the Horse When the coagulum extends to the whole mass, the yellow spots again disappear. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 The patient died one month after of another cause, and at the postmortem examination the aorta was shown to have been opened; the wound in its walls was covered with a spheric, indurated coagulum. Anomalies and Curiosities of Medicine It is to be inferred that the agents employed have the power of adding to the coagulum some of the substances which usually remain in solution in the clear serum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Expose the surface of the part to the external air, so that a coagulum of blood may form at the orifice: this simple mode will frequently arrest it. The Maternal Management of Children, in Health and Disease The loose, dark coagula so often found after death are polypi. Special Report on Diseases of the Horse A white coagulum was formed in phials closely stopped, containing the milk of the hevea, and preserved among our collections, during our journey to the Orinoco. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 You recollect that yellowish liquid I spoke about, which lies underneath the clot, or coagulum of the blood? The History of a Mouthful of Bread And its effect on the organization of men and animals Conversely, the richer the latex, the greater the percentage of protein matter retained in the coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In the rabbit of the former experiment, three days after the insertion of the poison in the wound, the latter was closed with a dry coagulum and presented no marks of inflammation around it. First Footsteps in East Africa The "coagulum," as it is called, is like snow-white dough. The Romance of Rubber The formation of the coagulum of the hevea, or of real caoutchouc, is nevertheless much more rapid in contact with the air. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 When the solution is heated or evaporated, a skin forms on its surface, and the addition of an acid causes a coagulum, just as in animal milk. Familiar Letters on Chemistry The resulting solid mass, on being thawed, yielded a coagulum appearing in no way to differ from that obtained by ordinary methods of coagulation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The coagulum ordinarily is affected by oxidation, and does not produce a fine pale crepe. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Even if no pieces of rubber are present, the serum from the coagulum is subject to decomposition, the effluvium from which is objectionable. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The coagulum of the papaw-tree, when newly prepared, being thrown into water, softens, dissolves in part, and gives a yellowish tint to the fluid. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 With such equipment it is found possible, in some cases, to omit the preliminary hand-rolling, and the strips of coagulum from the tank are passed direct through rolls set with a wide gap. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Further, rubber from putrefied coagulum vulcanised much faster than that ordinarily prepared, so that we are justified in connecting the putrefaction bases with the rate of vulcanisation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z For instance, in spite of rules and regulations regarding manipulation of the coagulum, it is not uncommon to find that some sheets, after rolling, have slightly thickened ends. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The surface water finds its way downwards between strips of coagulum and the partitions, thus increasing the upward tension between the free and adhering portions. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The people call the coagulum that separates by the contact of the air, cheese. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Surface Blemishes.—The coagulum, during coagulation and subsequently, can be contaminated in various ways. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z “Byrne Curing” Process.—This is a process for treating coagulum obtained by ordinary methods. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z No coagulum should be left without working for longer than the ordinary period. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The effect upon the rubber in the vicinity of these strong solutions is much more marked than in the bulk of the coagulum, and hence lighter streaks or patches appear in the dry rubber. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This coagulum grows sour in the space of five or six days, as I observed in the small portions which I carried to Nueva Valencia. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Unless this dark surface were carefully cut off, there would result a crepe containing dark streaks caused by the mixture of the oxidised surface portion with the bulk of the paler coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The coagulation will be practically complete, and the coagulum, apart from a spongy appearance, is normal in character. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This is accountable for putrefactive effects in the surfaces of the coagulum, or in the serum, giving rise to the formation of gases. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In practice, except while under immediate supervision, the extraneous matter is often rolled into the soft coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The sap again becomes milky and liquid, as in its primitive state; but this experiment succeeds only when the coagulum has been recently formed. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 For example, it has been observed that a mass of coagulum from a coagulation station has been conveyed on the floor of a bullock-cart, or motor-lorry, previously used in the carriage of other materials. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This coagulum is free from the offensive odour noted above. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Note partitions in position and coagulum being removed. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The coagulum is too porous, will not stand handling, and the resultant sheet is too thin unless an abnormal thickness of coagulum is prepared. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The milk contained in a stopped phial, had deposited a little coagulum; and, far from becoming fetid, it exhaled constantly a balsamic odour. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Hand-Rolling.—As already indicated, some few estates do not give the strips of coagulum any preliminary hand-rolling, as the rubber is considered to be sufficiently firm to be handled into the first machine. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z If air is rigidly excluded, the coagulum obtained is quite satisfactory for all purposes. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This consists essentially of an inch-thick hard-wood plank about 2 inches wider, and 4 or 5 feet longer, than the strip of coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The ends of the coagulum are drawn up and finished on these inclined planes. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z I made the coagulum formed by nitric acid, the juice of lemons, or hot water, likewise disappear by mixing it with carbonate of soda. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 The purpose of this procedure is to reduce the thickness of the coagulum gradually. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Under the patent held the coagulum may be prepared either for crepe-making, or for sheets by a modification of the tank. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This thickness of coagulum, when prepared from latex not exceeding a standard of 11⁄2 lbs. dry rubber per gallon, is found to yield a very satisfactory sheet in all respects. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This, when it collapses, in any case will appear only on the upper edge of the strip of coagulum, and after rolling should not be visible. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z I often observed in Peru, that on pouring slowly the milky juice of the hevea, or the sap of the carica, into a large quantity of water, the coagulum forms undulating outlines. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 For reasons of practical economy in factory working, it is usual to allow sheet rubber to remain over night, and the coagulum receives attention early next morning. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Coloured Surface Blotches and Unpleasant Odour.—Sometimes the surface of the coagulum exhibits yellowish or bluish streaks and patches. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z For reasons which will be explained more fully in the chapter dealing with the defects of crepe rubber, the practice of preparing thick crepes direct from the coagulum is now very uncommon. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It can be imagined that with such dilute latex, the coagulum is very soft and spongy. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It is, no doubt, a particular modification of caoutchouc that forms this coagulum, this white and glossy skin, that seems as if covered with copal varnish. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 First Quality Latex.—I.e., crepe made from the true coagulum obtained from the regulated coagulation of strained latex. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z If these cannot escape freely, by reason of adhesion between the coagulum and the partitions, “pitting” occurs. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It would appear in such instances that either the coagulum was too thin and soft, or that the grooves had been cut too deeply and sharply. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The knives or saws are sometimes rusty, and the colour of the coagulum is affected. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z When a sheet-coagulating tank is used all labour of cutting the coagulum is obviated. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In the first the coagulum is broken down by passing through the machines until a thick rough crepe is formed. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This is, however, inevitable if there is only one smooth-roll machine, as it is always desirable to reduce the thickness of the coagulum by at least two stages through even-speed smooth rolls. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The original thickness of the coagulum would be normal, but owing to the abnormal rubber-content the effect of passing through the smooth rolls would be the production of a strip thicker and firmer than ordinary. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Other defects may arise which can be traced to faulty treatment of the marked coagulum prior to hanging in the smoke-house and subsequent to rolling. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z When the lengths of coagulum leave the marking machine they are usually laid in piles containing two dozen or more strips. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It has been shown in Chapter IX. that the condition of the sheet after rolling depends primarily upon the standard of dilution of the latex and the original thickness of the coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This work demands much care, as it is necessary to avoid any distortion of the coagulum which may be caused by its own weight and length. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In the ordinary process the fresh coagulum is lightly rolled into thin crepe, which is then vacuum-dried. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The tougher the coagulum, the more the power required, and the slower the rate of output of the leading machines. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Rolling and Marking of Sheet Rubber.—Working with standard latex it is found that strips of coagulum 11⁄2 inches in thickness require little rolling to produce sheets of desirable thickness. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z If the flat pieces of coagulum are placed in piles of any height it is common to find, on arrival at the factory, that much adhesion has been caused. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The principle of the process was the treatment of coagulum, in either sheet or thick crepe form, with vapours produced by the volatilisation of two special fluids. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In order to secure the desired effect the coagulum must be passed consecutively through the three types of rolls, and undergoes a varying degree of working in each. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The risk of contamination of latex or coagulum under such circumstances would be appreciable. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z A fairly soft coagulum will offer less resistance, and conversely a dense coagulum will require more machining. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In estimating the quantities of acetic acid required much depends upon the interval which is to elapse between the addition of acid and the time of working of the coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It was really only applied to the preparation of coagulum intended for crepe form. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It has been remarked in the chapter dealing with crepe preparation that much depends upon the condition of the coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z If proper precautions are taken, the transport of coagulum intended for the preparation of crepe should present no difficulty, and should have no injurious effect upon the quality of the resultant rubber. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z If, however, it can be arranged without increasing the cost of production, there would appear to be no objection to the early working of the coagulum as described above. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Again, much depends upon the nature of the coagulum worked. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This treatment was undertaken in comparatively small wooden sheds, in which the coagulum was placed. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Several species of fungi causing coloured spots have been recognised, and it has been proved conclusively that it is possible to infect latex and also fresh coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Or again, by some unknown means, a piece of shaving may drop into a jar of latex, and so become embedded in the coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Oxidation Streaks.—Since the introduction of sodium bisulphite defects due to streaks, caused by portions of the coagulum becoming oxidised, have practically ceased to exist. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The differentiation between the transport of latex and coagulum, respectively, is a most important one, and has a powerful influence in determination of the maximum of centralisation possible. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z |
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