查询词典 sodium

Add 1 drop of phenolphthalein* indicator and titrate using a 10 mL buret filled with standardized 0.05 M sodium hydroxide solution (available from the automatic buret, record the actual concentration). Attach a plastic tip to the end

加1滴酚酞*指示剂，然后用刻度为10 mL的，已充满0.05M标准氢氧化钠溶液的滴定管进行滴定(也可以用自动滴定管，记录实际的浓度)在滴定管的未端装上一个塑料尖嘴plastic

Take for the amount of test materials, precision that set, place beaker, unless otherwise specified, may be added 40ml of water and hydrochloric acid solution (1-2) 15ml, and then set on a magnetic stirrer, stirring allows the dissolved, together with potassium bromide 2g insert platinum - platinum electrode, it will insert the solution of the following buret tip is about 2 / 3, using sodium nitrite titration solution (0.1mol / L, or 0.05mol / L) rapid titration, side drops while stirring, to near point, Burette tip surface will be presented with a small amount of water leaching cutting-edge, lotion, and solution and continue titration slowly until the sudden deflection of galvanometer pointer, namely, titration end point.

取供试品适量，精密称定，放置烧杯中，除另有规定外，可加水40ml与盐酸溶液（1-2）15ml，而后置电磁搅拌器上，搅拌使溶解，再加溴化钾2g，插入铂-铂电极后，将滴定管的尖端插入溶液下面约2/3处，用亚硝酸钠滴定液（0.1mol/L或0.05mol/L）迅速滴定，边滴边搅拌，至近点时，将滴定管的尖端提出液面，用少量水淋洗尖端，洗液并溶液中，继续缓缓滴定，至电流计指针突然偏转，即为滴定终点。

We isolate the putative NO-sensitive bushiness mutant and characterize the mutant nob by T-DNA inserted mutation and root inhibition effect of the NO donor , sodium-nitroprussiate , in Arabidopsis thaliana.

本实验以拟南芥为材料，利用T-DNA插入诱变和NO胁迫选择的方法，筛选到一种对NO敏感且叶片丛生的突变体nob。

A synthetic rubber made from the polymerization of butadiene and sodium.

密封环用的材料有皮革、合成橡胶和硅有机树脂。

The effects of sodium laurylsulfonate and butanol on upper critical solution temperature s for water-phenol were studied by means of cloud point.

浊点法研究了十二烷基磺酸钠和正丁醇对水-苯酚系统上临界溶解温度的影响，结果发现在试验的浓度范围内，该系统的上临界溶解温度随十二烷基磺酸钠质量分数的增大而线性下降。

Sodium bisulfate is an excellent catalyst for synthesizing butanone 1,2-propan.

以一水合硫酸氢钠为多相催化剂，由丁酮和1，2-丙二醇反应合成了丁酮1，2-丙二醇缩酮。

In this paper reported a new technology of preparing butyl gallate from sodium gallate and n-chlorobu-tane.

报道了由没食子酸钠和氯代正丁烷合成没食子酸丁酯的新工艺。

Examples of humectants include lactic acid, urea (the urea found in creams is synthetically produced by combining one molecule of carbon dioxide with two molecules of ammonia and not obtained from urine), hyaluronic acid (able to retain 1000 times its weight of water), propylene glycol, glycerin, sorbitol, gelatin, lecithin, sodium pyrrolidone carboxylic acid, and butylene glycol.

常见的湿润剂有乳酸，尿素（面霜里的尿素来自于二氧化碳和氨分子的合成而不是从尿中提取的），透明质酸（能保持自身成分1000倍的水分），丙二醇，丙三醇，山梨糖醇，明胶，卵磷脂，吡咯钠，羧基酸和丁二醇。

Objective To investigate the effects of sodium butyrate on cell growth inhibition and apoptosis in PC-3M cell lines.

目的：研究丁酸钠对前列腺癌PC-3M细胞株的增殖抑制和诱导凋亡作用。

Objective:To investigate the effects of sodium butyrate on apoptosis in human esophageal carcinoma cells Eca109 in vitro.

目的：探讨丁酸钠对人食管癌Eca109细胞凋亡的作用。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。