查询词典 acetic

Results The lesions of all the 105 cases vulvae SPI were become white after painted with acetic acid under colposcopic inspection. Of the 105 cases pathological reports 95 were reported chronic proliferating inflammation, 7 condyloma acuminate, and 3 mild vulvae intraepithelial atypical hyperplasia I.

结果 105例拟诊外阴SPI的阴道镜特点均为病变区涂醋酸后变白。105例病检结果为：95例报告为外阴慢性增殖性炎症，7例报告为尖锐湿疣，3例为外阴轻度不典型增生。

DPPH method, pyrogallol method and Fenton reaction were used to study the scavenging ability of extracts with 95% ethanol, ethyl acetate, acetone, acetic acid, chloroform, methanol to free radical activity.

方法］应用DPPH法、邻苯三酚自氧化法和Fenton反应分别研究了浓度95%乙醇、乙酸乙酯、丙酮、乙酸、氯仿、甲醇提取物清除自由基活性的能力。

For example, pulverized wood samples can be treated with acetyl bromide in acetic acid, and the absorbance of the resulting solution at 280 nm can be compared with the absorbance obtained from known lignin standards.

例如，将木屑样品在乙酸环境下与乙酰溴进行反应，再将280纳摩尔所得溶液的吸收率与已知的木质素标准吸收率进行比较。

In view of the existence of the above shortcomings of traditional methods, using acetyl chloride instead of acetic acid as a raw material, do not use any catalyst, not heating, room temperature reaction synthesis of ethyl acetate.

鉴于传统方法存在以上缺点，采用乙酰氯代替乙酸作为原料，不使用任何催化剂，不加热，常温反应来合成乙酸乙酯。

The crystalline amide of acetic acid, CH3CONH2, used as a solvent and ''.

乙酰胺乙酸的晶体胺，ch3conh2，用作溶剂和湿润剂，并用于油漆和炸药

Catalytic synthesis of Aspirin over pretreated sodium acetate using salicylic acid and acetic anhydride as starting materials.

以水杨酸和乙酸酐为原料、无水乙酸钠为催化剂合成阿司匹林。

A new preparation method for antimony stearate by antimonous oxide, acetic anhydride and stearic acid was studied.

硬脂酸锑作为一种分子筛催化剂中有毒物质的钝化剂和一种新型的热稳定剂，可用于石油催化裂化、塑料、橡胶工业［1～3］。

A salt or ester of acetic acid .

氢碘酸形成的一种盐或酯。

A salt or ester of acetic acid .

异氰酸形成的一种盐或酯。

A salt or ester of acetic acid .

多磷酸形成的一种盐或酯。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。