查询词典 trinitro-resorcinol

A novel bromoboron trinitro subphthalocyanine thin film has been developed by vacuum evaporation for write once optical recording.

利用真空蒸镀法制备了一种新的三硝基溴硼亚酞菁薄膜。

Under the optimized parameters,i.e.,resorcinol to potassium carbonate molar ratio of 1∶0.5,reaction temperature of 155℃-160℃,reaction time of 6 hours-7 hours,and dimethyl acetamide as solvent,the yield of 2,6-dihydroxybenzoic acid was up to 29.38%.

溶剂羧化法Kolbe-Schmitt反应，是在有机溶剂氛围中，由酚的成盐和酚盐的羧化两步完成，一直应用在农药、医药以及化肥的合成过程中。

Resorcinol-formaldehyde aerogel is made in a way similar to production of silica aerogel.

间苯二酚甲醛气凝胶是在一种类似生产白炭黑。

Dihydroxybenzoic acid was prepared by carboxylation of resorcinol in solvent under under atmospheric pressure was studied.

研究了间苯二酚常压羧化法制备2，6-二羟基苯甲酸。

At different reaction times, some primary products (such as catechol, resorcinol, hydroquinone etc.) failed to be detected

在不同反应时间，某些初级产物(如邻苯二酚、间苯二酚、对苯二酚等)没有检测到，

Objective A new chemiluminescence method for determination of resorcinol with flow injection technique is developed.

目的 建立了一种流动注射化学发光测定间苯二酚的新方法。

By controlling the catalyst molar ratio in the range of 200-500, up to 70% of the resorcinol can be replaced with the cheap cresol.

这一合成路线简化了炭气凝胶的制备工艺，显著降低了炭气凝胶的制备成本。

In this paper aerogels were obtained through sol-gel process of resorcinol, m-cresol and cresol mixture and substantially supercritical fluid drying.

本文以间苯二酚、间甲酚、混合甲酚为原料，与甲醛在碱性条件下经溶胶—凝胶过程、超临界干燥得到气凝胶。

With the addition of hexamethylenetetramine, an ambient pressure drying technique was developed for the fabrication of resorcinol-formaldehyde-based carbon aerogels.

以间苯二酚和甲醛为反应物、六次甲基四胺HMTA为催化剂、去离子水为溶剂，所合成的间苯二酚－甲醛凝胶能够在常压条件下直接进行干燥得到有机气凝胶；并经炭化，得到炭气凝胶。

Fumed-silica surfaces were modified with resorcinol and hexamethylenetetramine complex, and NR/M-silica nanocomposites were prepared in mixing and curing process. Structure and properties of NR/M-silica nanocomposites were investigated by mechanical testing ,cross-linking density determination, transmission electron microscopy, differential scanning calorimetry, fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The results showed that M-silica have obvious reinforcement effect on NR vulcanizate.

用间苯二酚与六亚甲基四胺络合物对气相法白炭黑进行表面改性，通过混炼和硫化制备了天然橡胶/改性气相法白炭黑（NR/M-silica）纳米复合材料，并通过力学性能测试、交联密度测定、透射电镜、差示扫描量热法、红外光谱和X射线光电子能谱等手段研究了纳米复合材料的结构和性能。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。