甲醛

A silicon carbide slurry as a casting abrasive material was prepared by sulphonated acetone-formaldehyde polymer as a dispersant.

由自制的磺化丙酮-甲醛缩聚物(sulphonated acetone-formaldehyde plymer，SAF)作为分散剂制备了浇注碳化硅砂轮水基浆料。

It is harmful to mice Hippocampus that mice is chronically fed with formaldehyde sulphoxylate solution.

次硫酸氢钠甲醛较长时间喂食对小鼠海马有损伤作用。

And 1‰ test groups were fed with 0.4‰, 0.8‰, 1‰ formaldehyde sulphoxylate solution. In the 10 and 30 day, the mice were killed, the cerebrum tissuce were took out, and fixed in the Zamboni fixation solution, conventionally produced frozen section and stained by immunohistochemistry.

对照组小鼠喂食静置自来水；实验组小鼠分别代以0.4‰、0.8‰、1‰次硫酸氢钠甲醛溶液喂食，10d和30d时分别处死各组小鼠10只，取出大脑，Zamboni固定液固定，常规冰冻制片，免疫组织化学染色，光镜观察。

The p-tert-butyl calix arene (n=4,6,8) were synthesized by p-tert-butyl phenol, formaldehyde aqueous solution as raw materials. Six kinds of calixarene oligomeric surfactants were prepared by etherification of the calix arene with 1,3-propane sultone and 1,4-butane sultone.

以对叔丁基苯酚、甲醛为主要原料合成杯芳烃母体对叔丁基杯芳烃(n=4，6，8)；以1，3-丙烷磺内酯、1，4-丁烷磺内酯为醚化试剂，经Williamson醚化反应，合成出6种杯芳烃基低聚表面活性剂。

Results on the ae line, the facial nerve went across the anterior portion inside the hairline (39.3 mm anterior to the otobasion superius).

在14例（28侧） 10%甲醛溶液固定的成人尸头上解剖面神经额支，测量面神经额支、发际在耳上基点-外眦线、额颧点-翼点线上的位置，测量鬓角、面神经额支入额肌最高点到fp的垂直距离。

One source of formaldehyde exposure in the air is automobile tailpipe emissions.

一个甲醛暴露在空气中是汽车尾气的排放。

Batch and semi-continuous oxidation of p-xylene to terephthalic acid in oxygen-enriched atmosphere with volume fraction of oxygen from 21% to 80% were investigated.

在体积分数为21%~80%的富氧空气中进行对二甲苯的间歇和半连续氧化反应，获得了富氧条件下对二甲苯氧化反应的固相中间产物(对羧基苯甲醛、对甲基苯甲酸)含量的变化规律。

Microcapsules loaded with tetradecane as the core material are prepared by in-situ polymerization methods.

研究采用了以三聚氰胺-甲醛为壁材，正十四烷为芯材原位聚合法制备微胶囊相变材料。

The target compound was cut off from the middle of the two benzene ring of Biphenyl Tetrazole and the key step was accomplished through Suzuki Coupling reaction.

第二部分：抗高血压药物——缬沙坦的新合成路线研究我们分别以对溴甲苯，对溴苄溴和对溴苯甲醛为起始原料分三条路线完成了缬沙坦的全合成。

Results Eleven compounds were obtained and identified as sarcodonin A, scabronine B, 3β-hydroxy-5α, 8a-epidioxyergosta-6, 22-dien,(22E, 24R)-ergosta-7, 22-diene-3β, 5α, 6β-triol,(22E, 24R)-ergosta-7, 22-diene-3β-ol, benzoic acid, 4-hydroxylben-zaldehyde, 4-monopropanoylbenzenediol, ethy1-β-D-glucopyranoside, thioacetic anhydride,(2S, 2'R, 3S, 4R)-2-(2-hydroxyoctadecanoylamino) docosane-1, 3, 4-triol.

结果共分离鉴定了11个化合物，分别是：sarcodonin A、scabronine B、3β羟－5α，5α-过氧麦角甾－6，22-二烯－3β-醇、(22E，24R)-麦角甾－7，22-二烯－3β，5α，6β三醇、(22E，24R)-麦角甾－7，22-二烯－3β-醇、苯甲酸、对羟基苯甲醛、对羟基苯甲酸乙酯、乙基－β-D-吡喃葡萄糖苷、硫代乙酸酐、（25，2'R，3S，4R）-2-（2-羟基－十八碳酰胺）二十二碳烷－l，3，4-三醇。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。