网站首页  词典首页

请输入您要查询的英语单词:

 

单词 Aldehyde
例句
1. Saturated hydrocarbons can burn to aldehydes, alcohols to organic acids, and aromatics to unsaturated compounds which are pungent and irritating.
2. Raw materials are n - butyl aldehyde and formaldehyde.
3. Preparing alkenyl halide from aldehyde and ketone.
4. Objective:To study germicidal efficacy of compound aldehyde group disinfectant.
5. This reaction involves disproportionation of the aldehyde.
6. E-ADM and MMC containing active aldehyde group were used as experimental drug, while 5-Fu no containing active aldehyde group as positive control drug.
7. Maltose is a reducing sugar because its aldehyde group is free to react with oxidants and, in fact, to undergo almost all reactions as though it were present as a free aldose.
7. is a online sentence dictionary, on which you can find good sentences for a large number of words.
8. The natural aldehyde compounds are present as phenylpropanoid, terpenoid , saponin, alkaloid, coumarin, anthraquinone and so on.
9. Iong open time, high bonding strength. Dissociative form aldehyde content can meet national standard.
10. Aldehyde dehydrogenase(ALDH) is a kind of endoenzyme and cell-breaking is one of the key procedures in the extraction of ALDH from S. cerevisiae.
11. As the caprylic aldehyde content increased strain at break and tensile strength were decreased.
12. The reducing properties of monosaccharides are attributable to the presence of a free aldehyde or ketone group.
13. But because of a subtle change in the structure of aldehyde dehydrogenase, this second detox step is blocked in some people.
14. Among numerous negative results he found some quite simple compounds, aldehydes and fatty acids, which stimulated oxygen uptake.
15. It consists of glucose and fructose, combined through their aldehyde and ketone groups.
16. Any of a class of monosaccharide sugars containing an aldehyde group.
17. The special interest devoted to acrolein arises from the fact thatthe shortest unsaturated aliphatic aldehyde.
18. Under suitable conditions, the conversion on 1, 2 - propanediol asas % and the selectivity on acetone aldehyde %.
19. Five novel histidine modified porphyrins were synthesized by reaction of corresponding pyrrole with aldehyde.
20. The elastic fibers produced by ASMCs during the three-dimensional culture and after transplantation were examined by Gomori' s aldehyde fuchsin staining and elastin immunohistochemistry.
21. Secondary contamination of lactobacillus would evidently increase the content of isoamyl alcohol and ethyl caprylate and decrease the content of ethyl aldehyde (lower than that in normal beer).
22. The categorical names are often combined, with a six - carbon - atom aldehyde sugar being termed an aldohexose.
23. To establish the method of simultaneous determination of the content of periplocin and 4-methoxysalicylic aldehyde in Cortex periplocae.
24. It is classified as an aldose , a designation for sugars containing an aldehyde group.
25. This paper describes the isomerization of 2, 3 - epoxy pinane to α - campholenic aldehyde by catalyzing with Lewis acids.
26. At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.
27. Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.
28. The ferrocenylchalcone derivatives were synthesized by the reaction of acetylferrocene and aromatic aldehyde using sodium hydroxide as catalyst in ethanol solvent under microwave irradiation.
29. Secondly, for the first time, a three-component olefination reaction between allylic carbonate, phosphine and aldehyde has been realized.
30. First we studied a new Lewis acid-----gallium triiodide , which can catalyze the reaction of allyltrimethylsilane and aldehyde to yield homoallylic alcohol.
31. N - amyl aldehyde is a main raw material in the synthesis of methyl dihydrojasmonate fragrance.
32. The cells of the CMZ were positive for PAS and contained the glanulae stained by aldehyde - fuchsin in their cytoplasm.
33. A review with 15 references on organic tanning agents and their advances including vegetable tanning agents and aldehyde tanning agents.
34. Solid phase synthesing method of aldehyde, ketonic, oxime, amine and isohydroximic acid compound.
35. Objective : To study the permeability cinnamic aldehyde and hydroxycitronellal through skins of mice in vitro.
36. Compare the content of calcium in the bovine pericardial material by compound tanning with 1% cation fat with singly tanning by amylic aldehyde.
37. Metal salts and Carboxy, keto, aldehyde, acetoacetoxy, complexes phosphonic acid, imine, amino and thio.
38. The 30 main compounds are bornyl acetate , salicylic aldehyde, diethyl malonate, ethyl linolenate, etc, which amount to 76.95 % content of the oil.
39. Cardanol - aldehyde ferric polymers were prepared by condensation polymerization with formaldehyde, n - butyl aldehyde, furfural and iron trichloride.
40. The rhodium complexes generated from terr-butyl group(s) substituted triphenylphosphines showed cone angle effect for normal aldehyde in homogeneous system.
41. When chroma of serum Potassium ion is elevatory, can promote adrenal coriaceous secrete aldehyde solid ketone, make potassium is excreted thereby increase, make potassium ion chroma returns to normal.
42. The present invention relates to selective hydrogenation process of methyl methoxybenzoate to synthesize anisic aldehyde, and belongs to the field of fine chemical catalysis technology.
43. Accumulation of terpenoid aldehyde was detected in the stem tissues of trifluralin-treated seedlings.
44. Synthesis of acyl azide from aldehyde, or acylhydrazine, or carboxylic acid , or acyl chloride, or anhydride, or ester is introduced in this paper.
45. Aldehyde - ammonia condensation reaction is one of the typical routes to manufacture alkyl pyridine.
46. Glyceraldehydes ( CHOCH ( OH ) - CH 2 OH ) A simple monosaccharide bearing an aldehyde group.
47. Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate. The detailed reaction conditions have been discussed, satisfactory results are obtained.
48. My company major produces phenolic aldehyde to accord with wind canal, provide construction help!
49. Aromatics, a Division of Atul Limited, India, is a leading manufacturer of Para cresol and its downstream products such as Para Anisic Aldehyde and Para Anisyl Alcohol.
50. Tripeptide aldehyde. Reversible competitive inhibitor of serine and cysteine proteases. Inhibits also phospholipase D and C activation in rat hepatocytes.
51. The condensed polynuclear aromatic(COPNA) resin was synthesized using coal tar pitch as monomer and terephthalic aldehyde as cross-linking agent in the presence ofp-toluene sulfonic acid.
52. Esters are the major components , the other chemical constituents were alkane, acids, alcohol, aldehyde and ketone.
53. Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.
54. A coat film surface on a substrate is coated with a treatment liquid that is composed of mainly colloidal silica added carbohydrazide as aldehyde capture agent.
55. In some plants, aldehyde compounds presence the same skeleton linking aldehyde group and different other substituting groups.
56. Anisic acid was seperated from the residue of producing anisic aldehyde and used to synthesize ethyl anisate. The detailed reaction conditions had been discussed, satisfactory results were obtained.
57. And the results indicated that aldehyde content in beer had evident positive correlation with TBA value.
58. Under suitable conditions, the conversion on 1 , 2 - propanediol and the selectivity on acetone aldehyde is 69 %.
59. Tripeptide aldehyde. Reversible competitive inhibitor of serine and cysteine proteases.
60. It has been completed successfully to synthesize benzaldehyde via ozonization and reduction reaction, which makes use of large quantity cinnamic aldehyde contained in natural cinnamon oils.
61. Root exudation of wheat, corn, broad bean and pigeon pea mainly include organic acid, phenol, hydrocarbon, grease, ketone, mellow, amide, benzene, aldehyde and thiazole et al.
62. And the contents of cinnamic aldehyde and menthol were determined synchronously by GC.
63. The urea-formaldehyde resin is formed by the reaction of urea, formaldehyde, aldehyde, one or more stabilizers and modifier according to the route of weak base-weak acid-weak base.
64. This paper reports the using of molybdophosphoric acid in synthesizing heptyl aldehyde ethylene acetal and meanwhile probes into the synthesizing conditions.
65. The surface amino group was transferred to the aldehyde group after it reacted with ninhydrin. The surface aldehyde group was confirmed by the mirror reaction.
66. Experiments demonstrated that Anti-2- nonyl olefin aldehyde, furan aldehyde and 2-methyl aldehyde etc. had direct relation with aging flavor.
67. Solid Polymer Electrolyte (SPE ) composite electrodes were utilized for the selective oxidation of geraniol alcohol to correspondent aldehyde.
68. The mellow base and the aldehyde group were oxidized to the carboxylic acid base, and some chemical bonds are also broken.
69. This review mainly summarized the reaction mechanism and the method of methyl oxided into aldehyde group.
70. The made tea fertilized with urea possessed higher contents of aldehyde, ketone, furan, pyrazine and pyrrole, but lower aromatic index.
71. An aliphatic aldehyde, which is one of the most important industrial chemicals, its officially approved name, is methanal, with formula HCHO.
72. Campholenic aldehyde is an intermediate for preparing a series of chemicals with sandalwood like odor.
73. Acetaldehyde(ethanol) An aldehyde, CH3CHO, that is an intermediate in the conversion of pyruvic acid to ethanol during the final stage of glycol sis during anaerobic respiration in plants.
74. Methyl methoxybenzoate and hydrogen are led continuous into fixed bed reactor and reacted at 300-600 deg. c to obtain anisic aldehyde in rather high selectivity.
75. The adhesive used in pelletizing fine coal can be prepared by the acetalation of nitrified and oxidated fine young brown coal with PVA solution and aldehyde in acid condition.
76. Yellow serofluid is a by-product during Luzhou style liquor production, which contains a large proportion of flavor components such as acid, ester, alcohol, aldehyde.
77. The effect of ARL-1 on cell growth and apoptosis induced by anticancer drug consisting of active aldehyde group were observed.
78. Objective To set up a method for determining the protocatechuic aldehyde in Qingshenjianfei tablets.
79. Among them, acid, aldehyde and ester were the main volatile components, which played an important role in flavor formation of Dushan greengrocery fermented.
80. Objective To determine the content of Periplocin and 4-methoxysalicylic aldehyde in Cortex Periplocae simultaneously.
81. The deactivation of hydrogenation catalyst of 3 - hydroxy propionic aldehyde was studied.
82. In chemical reaction, dioxide selenium, as gentle oxidant , can oxidized some group , such as hydroxide , methyl to aldehyde group , and was reduced to selenium itself.
83. The multiple aldehyde acids were used to decrease the chrome content of the tannery wastewater in chrome tanning process.
84. Objective : To establish a method for determination of cinnamic aldehyde in Xiaojianzhong capsules.
85. From campholenic aldehyde, sandalwood fragrance campholenyl methyl cyclohexanol was synthesized.
86. The addition-hydrolysis reaction was applied to the synthesis of unsaturated aldehyde by the -reaction of 2-H benzimidazolium iodide with alkenyl magnesium bromide.
87. A new method was reported for the determination of tanshinol and protocatechuic aldehyde in dripping solution by microfluidic chip with contactless conductivity detection.
88. The corresponding aldehyde acetals were obtained in almost quantitative yields when alcohols were treated with aromatic aldehydes bearing an electron-withdrawing substituent such as a nitro group.
89. HPLC method separating the reactants and products in the oxidation of 2,2 bis(hydroxymethyl) butyric aldehyde was experimentally investigated.
90. Aldehyde dehydrogenase is a kind of endoenzyme, and cell disruption is the major step in its extraction from Saccharomyces ceravisia.
91. MHP was mainly generated from the photolysis of acet aldehyde formed in thee degradation of ethane.
92. In this paper, a new method for synthesizing double aldehyde starch(DAS), the indirect electrosynthesis, was advanced.
93. Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.
94. It combines well with aldehyde, animal and leather accord. Especially suitable for the formula of osmanthus, tuberose etc, the max usage level adds up to 25%.
95. For the fermented apple pomace, ester took up more than 50% in the total volatile products, with less than 15% of alkyl-, aldehyde and ketone.
96. Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
97. The liquor fusel oil and aldehyde content also have too much harm.
98. The calculated results show that DMB is activity to get electron,() and the carbon in the aldehyde group is the nucleophilic reaction site.
99. The interaction between copolymer ( acrylic acid - butenoic aldehyde ) and pickling pig skin was studied thermalX - ray diffraction patterns.
100. In the sidestream smoke of cigarette, there are many substances which are harmful to people's health, such as nicotine, aldehyde.
101. The carbonyl groups of ketone, aldehyde and ester were generated during photooxidation . 3.
102. The molar absorbance at 350 nm increases if the aldehyde contains a double bond.
103. The synthetic methods of peptide thioester and peptide aldehyde are also discussed.
104. BADH gene encodes for betaine aldehyde dehydrogenase, an important enzyme for the biosynthesis of glycine betaine that plays a definite role in stress tolerance through osmoregulation.
105. A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction.
106. Through functionalization of an intermediate aldehyde, the corresponding cationic or zwitterionic cellulose ester derivatives can also be accessed.
107. This article reported the synthesis of five new silylaminoalkyl phosphonic acids through the reactions of aromatic aldehyde, amine and phosphorous acid.
108. Dimethyl phosphonate reacted with acrylonitrile under strong base (sodium alcoholate) or BPO catalysis, and then reacted with malonic aldehyde to give a N-P type fire retardant.
109. This paper introduces a novel technique in which water blocking technique is combined with acidizing treatment. The blocking system, XN-PP(), is made of AM and a kind of small molecular aldehyde.
110. The ending - ose signifies a sugar; ald - signifies an aldehyde group.
111. Ethyl 1,3 oxathiolane was synthesized by the reaction of 2 mercaptoethanol and propyl aldehyde in the presence ofp toluene sulfonic acid, with benzene as azeotropic dehydrating agent.
112. The relationship among the degree of crosslinking relative amount of aldehyde group and ether linkage was investigated.
113. The corn starch was modified into oxidized starch containing both carboxyl and aldehyde groups by chemical method, which provided a new clean tanning agent for leather industry.
114. The process includes hydroxylation, self packing of APTES and terephthalic aldehyde packing.
115. Formaldehyde, acetaldehyde and acrolein are common aldehyde in the environment.
116. From campholenic aldehyde , the sandalwood fragrance campholenyl methyl cyclohexanol was prepared, its structure is analyzed and identified.
117. This product alone curing slow, usually thiuram disulfide carbamate, aldehyde amines, guanidine type accelerator and used, is an excellent anti-G-CR scorch agents, plasticizers and delay agent .
118. The results show that sericin could be directly coated on the oxidized cotton fiber without any other reagent and form a covalence bond between amido group and aldehyde group .
119. The present invention features the multiple phase selective hydrogenation process to synthesize anisic aldehyde with methyl methoxybenzoate.
120. Adoption absorption oil property better the expanded graphite and the phenol aldehyde compound, make in to used for the absorb living waste oil of the absorption oil material.
121. Subject : To determine aldehyde chemical compound in alcohol quickly.
122. Micronomicin with weak fluorescence was oxidized to create active aldehyde groups with sodium metaperiodate, and further reacted with acetylacetone to produce a derivative with strong fluorescence.
123.
随便看

 

英语例句大全共收录104207条中英例句词条,基本覆盖所有常用英文单词的例句、长难句及中文翻译,是不可多得的英语学习材料。

 

Copyright © 2000-2024 Suppus.net All Rights Reserved
更新时间:2024/10/5 3:50:34