英语词汇“azo”造句子简单的方法、技巧、例句及翻译-英语例句辞典

But some of the chemicals involved, such as azo dyes, contain materials linked to cancer and other harmful effects. A Butterfly’s Brilliant Blue Wings Lead to Less Toxic Paint 2020-11-13T05:00:00Z

Dyes that contain it, along with other so-called “azo” dyes, are banned from import by the European Union. The Environment's New Clothes: Biodegradable Textiles Grown from Live Organisms 2018-09-14T04:00:00Z

A study of the paranitraniline or azo reds painted over the various pigments as priming coats demonstrated that the reds on this fence are in better condition than the reds at Atlantic City. Paint Technology and Tests 2011-09-15T02:00:12.263Z

They include aniline black, a permanent black produced by the oxidation of aniline, and the ice colours, which are azo dyes derived from certain coal-tar products containing nitrogen. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z

Also, the bleaches and dyes often include dioxins, heavy metals and azo compounds, some of which are toxic. Which are better for Valentine's Day: eco-certified bouquets or silk flowers? 2011-02-08T05:27:00Z

The rearing of cochineal was once a large and important industry, and although still pursued, it has seriously declined, in consequence of the discovery of the azo scarlets derived from coal-tar. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z

The well-known dyes Congo Red and Bismarck Brown are azo compounds of complicated structure. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis

The nitro group has a very important action mainly on account of the readiness with which it can be introduced into the molecule, but its effect is much less than that of the azo group. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago"

A diazo salt is formed, and is then made to react in solution with a hydroxy compound or an amino compound, &c., with the formation of a highly coloured azo compound. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z

They may also be obtained by the oxidation of azo compounds. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"

In this manner a new azo dye is produced upon the fibre, which differs from the original one not only in colour, but also by being faster to washing and other influences. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z

All azo compounds are highly coloured, and in some cases they are direct cotton dyes. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis

Diamine azo blue R, 1 lb. soda and 20 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

In the preparation of the azo dyes the starting-point is a primary amine; the amino group is 'diazotized', i.e. treated with a solution of sodium nitrite and dilute mineral acid at low temperature. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z

The mixed azo compounds are those in which the azo group �N:N� is united with an aromatic radical on the one hand, and with a radical of the aliphatic series on the other. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"

It is quite possible to dye a black on wool by using a combination of acid and azo dye-stuffs, and below is given a recipe illustrating this method; it is one, however, rarely adopted. The Dyeing of Woollen Fabrics

The azodyes form one of the largest groups of dyes, and derive their name from the presence of the characteristic chemical group —N = N—, known as the azo group. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis

Diamine azo blue 2 R, and the silk with 1 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

Diazo compounds are therefore important intermediate substances in the manufacture of azo dyes. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z

In the azo group some colors are fugitive, others are moderately fast, and it is generally recognized that certain classes of the tetrazo compounds are distinctly faster than the ordinary diazo colors. Scientific American Supplement, No. 810, July 11, 1891

The simple azo dyes are combinations of two or more organic bases, united together by a peculiar and characteristic group of nitrogen atoms. The Dyeing of Woollen Fabrics

This was again carried out in the azo colour shed, with no more modification than that involved in passing, from one azo dye to another. The Riddle of the Rhine; chemical strategy in peace and war

Diamine azo blue R R, 2 lb. soda and 10 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

A large number of the dyes prepared from coal tar are called azo colours, such for instance are the Biebrich and Croceine scarlets and oranges, Naphthol black, Congo red, etc., The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

A typical representative of this group is furnished by any one of the ordinary azo scarlets which in recent years have come into prominence as competitors of cochineal. Scientific American Supplement, No. 810, July 11, 1891

This method is applicable to the large group of azo dye-stuffs derived from coal tar, and also to the acid dyes prepared from the basic coal-tar colours by the process of sulphonation. The Dyeing of Woollen Fabrics

Diamine azo blue R R, 2 lb. soda and 20 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

Methods have been devised for producing the insoluble azo colours direct upon the fibres. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

Then there are some members of the azo dyes, particularly the croceine scarlets, which can also be dyed on the cotton by the aid of tin, lead or alum mordants. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

Diamine brown M, 3¼ oz. azo red A and 2¼ oz. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

The sulpho-acids of the azo colours, of the basic dyes, and of indigo are usually insoluble in water, although there are great differences in their properties in this respect. The Dyeing of Woollen Fabrics

The vast majority belong to the group of azo dyes, which can be employed to dye from palest pinks to the deepest crimson reds. The Dyeing of Woollen Fabrics

Toluylene orange R, 4¾ oz. azo mauve, 2½ lb. soap, 5 lb. soda. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

单词	azo
例句	azo But some of the chemicals involved, such as azo dyes, contain materials linked to cancer and other harmful effects. A Butterfly’s Brilliant Blue Wings Lead to Less Toxic Paint 2020-11-13T05:00:00Z Dyes that contain it, along with other so-called “azo” dyes, are banned from import by the European Union. The Environment's New Clothes: Biodegradable Textiles Grown from Live Organisms 2018-09-14T04:00:00Z A study of the paranitraniline or azo reds painted over the various pigments as priming coats demonstrated that the reds on this fence are in better condition than the reds at Atlantic City. Paint Technology and Tests 2011-09-15T02:00:12.263Z They include aniline black, a permanent black produced by the oxidation of aniline, and the ice colours, which are azo dyes derived from certain coal-tar products containing nitrogen. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z Also, the bleaches and dyes often include dioxins, heavy metals and azo compounds, some of which are toxic. Which are better for Valentine's Day: eco-certified bouquets or silk flowers? 2011-02-08T05:27:00Z The rearing of cochineal was once a large and important industry, and although still pursued, it has seriously declined, in consequence of the discovery of the azo scarlets derived from coal-tar. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z The well-known dyes Congo Red and Bismarck Brown are azo compounds of complicated structure. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis The nitro group has a very important action mainly on account of the readiness with which it can be introduced into the molecule, but its effect is much less than that of the azo group. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" A diazo salt is formed, and is then made to react in solution with a hydroxy compound or an amino compound, &c., with the formation of a highly coloured azo compound. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z They may also be obtained by the oxidation of azo compounds. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" In this manner a new azo dye is produced upon the fibre, which differs from the original one not only in colour, but also by being faster to washing and other influences. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z All azo compounds are highly coloured, and in some cases they are direct cotton dyes. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis Diamine azo blue R, 1 lb. soda and 20 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student In the preparation of the azo dyes the starting-point is a primary amine; the amino group is 'diazotized', i.e. treated with a solution of sodium nitrite and dilute mineral acid at low temperature. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z The mixed azo compounds are those in which the azo group �N:N� is united with an aromatic radical on the one hand, and with a radical of the aliphatic series on the other. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" It is quite possible to dye a black on wool by using a combination of acid and azo dye-stuffs, and below is given a recipe illustrating this method; it is one, however, rarely adopted. The Dyeing of Woollen Fabrics The azodyes form one of the largest groups of dyes, and derive their name from the presence of the characteristic chemical group —N = N—, known as the azo group. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis Diamine azo blue 2 R, and the silk with 1 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Diazo compounds are therefore important intermediate substances in the manufacture of azo dyes. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z In the azo group some colors are fugitive, others are moderately fast, and it is generally recognized that certain classes of the tetrazo compounds are distinctly faster than the ordinary diazo colors. Scientific American Supplement, No. 810, July 11, 1891 The simple azo dyes are combinations of two or more organic bases, united together by a peculiar and characteristic group of nitrogen atoms. The Dyeing of Woollen Fabrics This was again carried out in the azo colour shed, with no more modification than that involved in passing, from one azo dye to another. The Riddle of the Rhine; chemical strategy in peace and war Diamine azo blue R R, 2 lb. soda and 10 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student A large number of the dyes prepared from coal tar are called azo colours, such for instance are the Biebrich and Croceine scarlets and oranges, Naphthol black, Congo red, etc., The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student A typical representative of this group is furnished by any one of the ordinary azo scarlets which in recent years have come into prominence as competitors of cochineal. Scientific American Supplement, No. 810, July 11, 1891 This method is applicable to the large group of azo dye-stuffs derived from coal tar, and also to the acid dyes prepared from the basic coal-tar colours by the process of sulphonation. The Dyeing of Woollen Fabrics Diamine azo blue R R, 2 lb. soda and 20 lb. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Methods have been devised for producing the insoluble azo colours direct upon the fibres. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Then there are some members of the azo dyes, particularly the croceine scarlets, which can also be dyed on the cotton by the aid of tin, lead or alum mordants. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Diamine brown M, 3¼ oz. azo red A and 2¼ oz. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The sulpho-acids of the azo colours, of the basic dyes, and of indigo are usually insoluble in water, although there are great differences in their properties in this respect. The Dyeing of Woollen Fabrics The vast majority belong to the group of azo dyes, which can be employed to dye from palest pinks to the deepest crimson reds. The Dyeing of Woollen Fabrics Toluylene orange R, 4¾ oz. azo mauve, 2½ lb. soap, 5 lb. soda. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student
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