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weak acid yellow 弱酸性黄
Air,Compressed ari, Water, hotn water, weak acid, etc. 空气、压缩空气、水、海水、热水、弱酸等。
An acid yellow was synthesized by diazo and azo,and characterized by elementary analysis, IR and 1H-NMR. 酸性黄是经过重氮化和偶合反应合成的一种偶氮染料,对它进行了IR、1H-NMR和元素分析的表征。
Counter etch A weak acid solution, e. G. Acetic acid, used to clean a plate chemically before coating. 清洗腐蚀剂化学性的版面清洗,在涂布乐膜前使用。它是一种弱酸溶液,如醋酸等。
Counter etch: A weak acid solution ,e.g. acetic acid , used to clean a plate chemically before coating . 清洗腐蚀剂:化学性的版面清洗，在涂布乐膜前使用。它是一种弱酸溶液，如醋酸等。
If you see patches of acid yellow flowers, single flowers on short stems almost hugging the ground, they are winter aconite. 如果你看到一片片薄薄的黄花，低矮的枝干上一丛花朵几乎要垂到地上，那就是冬乌。
They involve a chemical equilibrium between a weak acid and its salt or a weak base and its salt. 它包含弱酸及弱酸盐与弱碱和弱碱盐之间的化学平衡。
Apply to water, water, steam, all kinds of oils, solvents, weak acid, alkali, ethanol, and other media. 适用于水、海水、蒸汽、各种油类、溶剂、弱酸、碱、乙醇等介质。
The total selectivity of methylphenyl oxalate (MPO) and DPO was up to 99.2% over TS?1, which was a weak acid. 以弱酸TS-1分子筛为催化剂;MPO和DPO总选择性为99.;2%25。
The structure and properties of macroporous strong base - weak acid amphoteric resin were studied by using IR and DTA. 利用红外光谱、差热分析对大孔强碱弱酸两性树脂的结构与性能作些探讨。
The improved synthetic process of the weak acid dyestuff, Blue BS was described in this paper. 本文重点介绍了弱酸兰BS染料合成改进工艺。
The dyeing process and the performance of weak acid dyes using additive WMJ for wool at low temperatures are studied. 文章探讨了弱酸性染料使用低温添加剂WMJ对羊毛进行染色的工艺及染色性能。
Weak acid, so that it can work with any insecticides, fungicides, herbicides and so on a mix of mutual synergy. 弱酸性，可使其能与任何杀虫剂、杀菌剂、除草剂等混用，相互增效。
The emulsion of MFX is stable to dilute salt solutions,weak acid or alkali and hard water. 该产品在弱酸、碱、盐溶液中稳定,并能耐一般硬水。
In this paper, the synthesis of Acid Yellow p-L has been carried out with the help of Surfactant DSB as the phase-transferring catalyst, followed by the successful coupling reaction, the shortened reaction time and the improved product quality. 本文介绍了用表面活性剂DSB作相转移催化剂合成酸性黄 p -L染料 ,使得偶合反应顺利进行 ,缩短了反应时间 ,提高了产品质量
Weak acids ionize partly ( <1% ionize) in water to give hydrogen ion. 弱酸在水中部份电离(<1%25电离)，放出氢离子。
When the weak acid is given orally, the concentration gradient for un-ionized drug between stomach and plasma tends to be large, favoring diffusion through the gastric mucosa. 当这种弱酸性药物经口服给药时，胃与血浆之间的非解离型药物浓度梯度很大，从而有利于透过胃粘膜扩散。
Barium ion can catalyze the decolorization reaction of Erichrome Black T and dodecylbenzene solfonic sodium in a pH 5 of weak acid medium. Ba~(2+)能在pH5弱酸性介质中催化十二烷基苯磺酸钠(DBS)对铬黑T(EBT)的褪色反应.
The existence of B2O3 is allowed in the glass web structure of FCMP and can be exactly titrated if strengthened by weak acid. B2O3能存在于钙镁磷肥的玻璃因子网络结构中，采用弱酸强化可准确滴定。
The spirit is willing but the flesh is weak. 心有余而力不足。