查询词典 anhydrous

Our company main products are: sodium bisulfite, anhydrous sodium sulfite, sodium sulfite, sodium thiosulfate, protopine.

本公司主导产品有：亚硫酸氢钠、无水亚硫酸钠、焦亚硫酸钠、硫代硫酸钠、片碱。

The solubility of such a solvate may markedly differ from the nonsolvated form; eg, anhydrous ampicillin has a greater rate of dissolution and absorption than its corresponding trihydrate.

这种的溶解度可能与非水合物的溶解度有明显的不同。例如，无水氨苄西林的溶解速率和吸收比其它相应水合物的溶解吸收速率都要快得多。

II: ① take a thin wire, one end with sand paper wipe, and then lightson alcohol to non-yellow flame ignition,② wire with the end of the water dip, and then dip a number of sodium chloride or anhydrous sodium carbonate powder,③ ignited a new spirit lamp (lamp wick is clean, pure ethanol),④ the stained sodium salt powder on the wire on the ignitiontip, when there is a sharpsmall yellow flame, which is sodium flame.

方法二：①取一条细铁丝，一端用砂纸擦净，再在酒精灯外焰上灼烧至无黄色火焰，②用该端铁丝沾一下水，再沾一些氯化钠或无水碳酸钠粉末，③点燃一盏新的酒精灯，④把沾有钠盐粉末的铁丝放在外焰尖上灼烧，这时外焰尖上有一个小的黄色火焰，那就是钠焰。

Including: HM-165701, HM-165607, HM-165703, whiskey flavoring, brandy flavoring, sulfurous acid, citric acid, PVSP, potassium sorbate, aspartame, glycerol, Citric Acid monohydrate , citric acid, anhydrous citric acid, tannin, bentonite, pectinase, AK sugar, pepper refined, Sodium Cyclamate, etc..

包括：HM-165701、HM-165607、HM-165703、威士忌香精、白兰地香精、亚硫酸、柠檬酸、PVSP、山梨酸钾、阿斯巴甜、甘油、一水柠檬酸、无水柠檬酸、单宁、皂土、果胶酶、AK糖、辣椒精、甜蜜素等。

The company's main products are: anhydrous sodium sulphite (10000 T /), Gioia sodium (20000 T /), manganese carbonate (1000 T /).

本公司主要产品有：无水亚硫酸钠（10000T／年）、焦亚硫酸钠（20000T／年）、碳酸锰（1000T／年）。

For these compounds, it is necessary to polymerize the intermediate species before tautomerization, eg, at low temperature, eg,-1000C to 1000C, and preferably -100C to 250C, and under anhydrous conditions, to produce vinyl amine polymers.

对于这些化合物，这是必要的聚合中间物种之前，互变异构，例如，在低温下，如- 1000c ，以1000c ，最好是- 100c ，以250c ，并根据无水条件下，生产乙烯胺聚合物。

By long years of the Yongding anhydrous River due to illegal mining, the riverbed is exposed, then one case of windy dust everywhere, cause serious pollution.

通过多年的永定河流域无水由于非法开采，河床暴露，然后一案件刮风灰尘无处不在，造成严重污染。

In the process of laboratory study, oxycodone was prepared by oxidating thebaine at 6,14-position under oxydol, hydrodeoxidizing 7,8-position double bond and 14-position ether under palladium catalyst. Furthermore, N-methyl of oxycodone was isolated byα-chloro-ethyl chloroformate under anhydrous condition and protection of 14-position hydroxyl to obtain noroxycodone, which was further converted into methylnaltrexone by N-alkylation in presence of cyclopropyl bromomethane, then by isolating 3-position methyl of methylnaltrexone under boron tribromide, becoming hydrochloride to prepare target compound, natrexone hydrochloride.

实验室工艺方面，本文首先用双氧水氧化蒂巴因的6-位和14-位、在钯炭催化下加氢还原7-8位双键和14-位醚合成羟考酮，然后提出并优化了在无水和14-位保护的情况下，用氯甲酸-α-氯乙酯脱去羟考酮的N-位甲基合成去甲羟考酮，再用环丙甲基溴将去甲羟考酮的N-位烷基化合成甲基纳曲酮，最后采用三溴化硼脱去甲基纳曲酮的3-位甲基和成盐酸盐合成盐酸纳曲酮。

Eight novel N,N′-naphthalene acyl substituted aromatic acylamino thiocarbamide s(Ⅱ1~Ⅱ8) were synthesized from aryl acylhydrazine and α-naphthalene acyl isothiocyanate, which was obtained by the reaction of potassium thiocyanate with α-naphthalene acyl chloride obtained from 2-naphthylacetic acid and thionyl chloride in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯，与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯，再与芳基酰肼进行加成反应，合成8种新型N，N′-萘乙酰基取代芳乙酰胺基硫脲类化合物(Ⅱ1～Ⅱ8)。

A novel compound——N-naphthalene acylN′-substituted p-chlorobenzamido thiocarbamide was synthesized by reaction of p-chlorobenzamido hydrazine and α-naphthalene acyl mustard oil,which was obtained by potassium thiocyanate combined with α-naphthalene acyl chloride formed from α-naphthylacetic acid and SOCl2 in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯，然后与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯，再与对氯苯甲酰肼进行加成反应，合成了新型化合物N-萘乙酰基-N′-对氯苯甲酰氨基硫脲，用薄层色谱法跟踪最后一步反应，确定了反应时间。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷