| 单词 | germicidal |
| 例句 | The ozone abundance is so small that germicidal ultraviolet radiation from the Sun strikes the Martian surface unimpeded. Cosmos 1980-01-01T00:00:00Z On Mars such a place would be even more interesting, because while the visible light necessary for photosynthesis would penetrate to that depth, the germicidal ultraviolet light would be at least partially attenuated. Cosmos 1980-01-01T00:00:00Z Models that include germicidal UV lamp technology to irradiate bacteria and mold spores in the air stream or on the filter cost even more; however, again, research proving they work is lacking. What you need to know about air purifiers, including little evidence of health benefits 2020-02-10T05:00:00Z Today, he notes, the company released a white paper that reviews new technologies, such as improved personal protective equipment and germicidal lights, that could help head off future pandemics. Crypto company's collapse strands scientists 2022-11-14T05:00:00Z We need to equip all of our public spaces and elsewhere with better air filtration, improved ventilation and advanced capabilities such as germicidal ultraviolet disinfection. Opinion | Let’s clear the air before the next pandemic comes 2022-04-29T04:00:00Z “I enlisted a team of scientists and germicidal UV lighting companies to provide, as a demonstration project at no cost, a temporary installation to help protect the White House correspondents’ dinner,” Milton said. A fight over coronavirus safety at journalists’ gala event 2022-04-27T04:00:00Z Ultraviolet germicidal irradiation, the placement of UV-C lamps in the air ducts or above dropped ceilings, is extremely effective at inactivating the coronavirus and influenza viruses and even tuberculosis bacteria. Opinion | A breakthrough in virus protection 2022-04-03T04:00:00Z Similarly, the tear layer around eyes also blocks out these germicidal UV rays. The ultraviolet light most effective at killing coronavirus is also the safest to use around people 2021-11-01T04:00:00Z You may also see models that use other air purifying technologies, including electrostatic precipitators, ultraviolet germicidal irradiation and photocatalytic oxidation. Why HEPA air purifiers are the best in fighting indoor pollutants 2021-08-20T04:00:00Z Lifx has an array of scientific studies as well as its own lab tests to support its claim that the Clean is the “world’s first antibacterial, germicidal smart light.” Lifx’s bacteria-killing smart bulb works, but here’s the small print 2021-03-03T05:00:00Z Among the CDC’s recommendations are upgrades, where needed, to ventilation and air filtration systems, possibly including “ultraviolet germicidal irradiation,” which, the agency admits, will incur costs. Editorial Roundup: North Carolina 2021-02-24T05:00:00Z The germicidal disinfectant is similar to what is used in hospitals and other industrial settings, and is also applied via spray bottles and rags to all high-touch surfaces multiple times daily. New Mexico school district prepares for safe reopening 2021-01-01T05:00:00Z Before boarding a bus or rail car, ask: Is it equipped with a UV-C germicidal filtration system proven to kill 99 percent of all viruses? Opinion | Buses may not be a safe transit option in the pandemic 2020-12-18T05:00:00Z However, this lamp may be less effective for germicidal applications, the agency stated. Coronavirus: Disinfecting with UVC lamps may not be effective and potentially harmful, FDA says 2020-08-21T04:00:00Z Lifx’s “germicidal smart light” isn’t snake oil, but nor is it a silver bullet that’ll save you from your weekly cleaning chores. Lifx’s bacteria-killing smart bulb works, but here’s the small print 2021-03-03T05:00:00Z But it is still tiny: 10,000 times smaller than a millimeter, barely one-thousandth the width of a human hair, smaller even than the wavelength of light from a germicidal lamp. Monster or Machine? A Profile of the Coronavirus at 6 Months 2020-06-02T04:00:00Z “It’s dangerous because UVC shouldn’t be deployed when there’s humans around,” he said, referring to the short-wave germicidal type of ultraviolet radiation. Exterminate! UV robot sent to Singapore mall to zap coronavirus 2020-05-21T04:00:00Z Each nurse will label her mask, place it in a paper bag and it will be put in a machine for ultraviolet germicidal irradiation, according to the email. 'Long on fear, short of gear': Inside California hospitals as they wait for the surge 2020-04-04T04:00:00Z “The data is very clear that you can kill and inactivate viruses with UV germicidal irradiation,” he said. As Coronavirus Looms, Mask Shortage Gives Rise to Startling Solution 2020-03-20T04:00:00Z Police also discovered the victim’s cellphone in the vehicle, along with bleach, germicidal wipes and window cleaner. South Carolina man charged with kidnapping and murder of University of South Carolina student 2019-03-30T04:00:00Z All three products are built to withstand deterioration from being cleaned with germicidal wipes, which may help reduce the spread of health care-related infections. HP releases new germicide-resistant computers for hospitals 2018-03-05T05:00:00Z Brenner became interested in UVC’s germicidal properties 5 years ago, after a friend went to the hospital for a minor surgery and became infected with drug-resistant bacteria that took his life. Could ultraviolet lamps slow the spread of flu? 2018-01-03T05:00:00Z Dr. Schattner continued to develop other germicidal products, including spray disinfectants, fabric cleaners, carpet shampoos, and a solution to eliminate mold and mildew. Robert I. Schattner, inventor of Chloraseptic sore-throat spray, dies at 91 2017-02-05T05:00:00Z In a separate online forum, the authors discussed ways to lower risks, like installing germicidal ultraviolet lights or tracking and isolating dangerous “superspreader” patients. In South Africa, Deadly Tuberculosis Strain Is Spread Directly 2017-01-30T05:00:00Z Authorities also found a Home Depot receipt, dated the date after the Navins disappeared, for germicidal bleach, drain opener, stain remover and contractor cleanup bags. Remains Believed to Be a Missing Connecticut Couple; Son Is a Suspect 2015-10-30T04:00:00Z And the day after his parents vanished, Kyle Navin bought germicidal bleach, hair/grease drain opener, stain remover and contractor cleanup bags, police said. Search for Connecticut couple finds possible human remains 2015-10-30T04:00:00Z The other was for germicidal bleach, drain opener, stain remover and contractor cleanup bags from Home Depot. Odd Text Exchange Preceded a Connecticut Couple’s Disappearance 2015-09-24T04:00:00Z An increase of temperature increases the germicidal velocity and also the rate of absorption of chlorine by the organic matter; other factors determine which of these competitive actions predominates. Chlorination of Water 2011-09-13T02:00:32.243Z The smoking or chewing of tobacco is decidedly germicidal. Tobacco Leaves Being a Book of Facts for Smokers 2011-09-12T02:00:31.107Z This is most likely because the heat used in cooking such foods is insufficient to produce germicidal results. Food Poisoning Thus many of the claims made for various medicated soaps fall flat, and really have no more antiseptic or therapeutic merit than ordinary soap which in itself has certain germicidal and cleaning value. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. Carbolic acid is germicidal in strong solution, inhibitory in weaker ones. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Normal carbonates tend to reduce the velocity of the germicidal action and bicarbonates to increase it. Chlorination of Water 2011-09-13T02:00:32.243Z Also that a dilution of 1⁄1000 formaldehyde is germicidal to all bacteria although it has very little deleterious effects on man. Tobacco Leaves Being a Book of Facts for Smokers 2011-09-12T02:00:31.107Z Under normal conditions, that is, in health, the conditions prevailing in the stomach are very unfavorable to the development of bacteria of the putrefactive type, the gastric juice exhibiting decided germicidal properties. Dietetics for Nurses He explained how, before opening the body, it had been thoroughly washed in sterilized water, and placed upon a marble slab, which had been scrubbed clean and then bathed in a germicidal solution. A Modern Wizard Whether this failure to colonize can be regarded as evidence of a germicidal property or not is questionable. Outlines of dairy bacteriology A concise manual for the use of students in dairying The effect of ammonia on the germicidal action of a solution of chlorine gas is shown in the Table IV. Chlorination of Water 2011-09-13T02:00:32.243Z It was not necessary to close the chimney, for the germicidal gas is heavier than air, and fills a room exactly as water fills a tank. Northern Diamonds Probably its germicidal power accounts for the aseptic character of the air of the Alps, the desert and other places. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" Coffee, when freshly roasted and ground, is deodorant, antiseptic, and germicidal, probably due to the empyreumatic products developed during the process of roasting. All About Coffee It has been claimed that freshly drawn milk, like other body fluids, possesses germicidal properties, i.e., the power of destroying bacteria with which it may be brought in contact. Outlines of dairy bacteriology A concise manual for the use of students in dairying Light exerts a marked photo-chemical effect on the germicidal velocity of chlorine and hypochlorites. Chlorination of Water 2011-09-13T02:00:32.243Z Hydrocyanic Acid is frequently used as an insecticide in ships, mills, and greenhouses, but its germicidal power is weak. The Home Medical Library, Volume V (of VI) Is it due to unsuitable environmental conditions or attributable to the germicidal influence of the milk? Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying Consequently it is essential in all germicidal experiments to determine first of all the inhibition coefficient of the germicide employed. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. This applies particularly to salts of mercury, such as corrosive sublimate or mercuric chloride, and biniodide of mercury, both of which have very considerable germicidal power, and are consequently frequently added to soaps. The Handbook of Soap Manufacture Effect of acids and salts on hydrolysis and germicidal action. Chlorination of Water 2011-09-13T02:00:32.243Z Chlorine has also marked germicidal properties, and the free element, as well as compounds from which it is easily liberated, are used as disinfectants. An Elementary Study of Chemistry Sulfur is often recommended as a disinfecting agent, but its use should be carefully controlled, otherwise the vapors have but little germicidal power. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying The germicidal action of light-rays and of some of the invisible rays which ordinarily accompany the luminous rays is well proved. Artificial Light Its Influence upon Civilization The blood, defibrinated and freshly drawn, has marked germicidal action; for bacteria its action is decidedly deadly, even hours after it has been drawn from the body. Scientific American Supplement, No. 787, January 31, 1891 A reduction of temperature also lowers the oxidizing activity of the chlorine so that a greater concentration is available for germicidal action. Chlorination of Water 2011-09-13T02:00:32.243Z There were in it, perhaps, fifty feet of tubes, a perfectly-closed tubular system which I noticed Kennedy was keeping absolutely sterile in a germicidal solution of some kind. The War Terror Nothing is known as to the cause of this apparent germicidal action. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying "Light Energy," by Cleaves, is a large volume devoted to light-therapy, germicidal action of radiant energy, etc. Artificial Light Its Influence upon Civilization They were mongrels, kept spotlessly and germicidally clean, who were unattached and untrained. Michael, Brother of Jerry The velocity of the germicidal reaction with the strains varied somewhat, but not always in the same direction, and the variations were not greater than were found in control experiments on the original culture. Chlorination of Water 2011-09-13T02:00:32.243Z Filters, containing solid materials capable of absorbing free chlorine, have also been used for removing the excess of the germicidal reagent. Chlorination of Water 2011-09-13T02:00:32.243Z It possesses strong germicidal powers, increases the amount of light in the barn, is a good absorbent of odors, and is exceedingly cheap. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying In other words, the physical measurements have been neglected notwithstanding the fact that they are generally more easily made than the determinations of curative effects or of germicidal action. Artificial Light Its Influence upon Civilization The author, in 1915, during a series of experiments on the relative germicidal action of hypochlorites, attempted to prepare the ammonium salt by double decomposition of bleach and ammonium oxalate solutions. Chlorination of Water 2011-09-13T02:00:32.243Z Hypochlorous acid is far superior to hydrogen peroxide as a germicidal agent and is as active as ozone, which liberates a greater amount of energy. Chlorination of Water 2011-09-13T02:00:32.243Z Rideal stated that: “It became evident that chlorine, in supplement to its oxidising action, which had been exhausted, was acting by substitution for hydrogen in ammonia and organic compounds, yielding products more or less germicidal.” Chlorination of Water 2011-09-13T02:00:32.243Z The superiority of chloramine over other processes is due to the non-absorption of the germicidal agent and to obtain the same degree of efficiency the contact period must be increased as the concentration is decreased. Chlorination of Water 2011-09-13T02:00:32.243Z Electrolytic hypochlorite has a greater germicidal velocity than bleach but the difference is so small as to be of no practical importance. Chlorination of Water 2011-09-13T02:00:32.243Z Whether this semi-labile chlorine is available for germicidal action is at present not definitely known but it has been noted by several observers that the germicidal action proceeds after the “free” chlorine reaction has disappeared. Chlorination of Water 2011-09-13T02:00:32.243Z Ammonia, when added to solutions of chlorine gas, diminishes the property of liberating iodine from potassium iodide, the bleaching effect on dyestuffs, and the germicidal action. Chlorination of Water 2011-09-13T02:00:32.243Z The action is an instantaneous one and it is consequently necessary that the germicidal action should be complete before the “antichlor” is added. Chlorination of Water 2011-09-13T02:00:32.243Z At station No. 2 the germicidal action was still proceeding but at No. 5, representing an outlying section of the city, the increase in the B. coli content is very apparent. Chlorination of Water 2011-09-13T02:00:32.243Z |
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