查询词典 colloid

In the acid medium, through using the stability of the BaSO4 colloid suspension, a turbidimetric method was established for the determination of trace sulfate radical in boric acid.

研究在酸性介质中，利用BaSO4胶体悬浮液的稳定性，通过光电浊度仪测定硼酸中微量硫酸根的方法。

Among them agraffe is the most popular element, transparent colloid sole also is new use data.

其中搭扣是最流行的元素，透明的胶质鞋底也是新使用的材料。

Based on mass data analyses, the changes of sulfur, paraffin, colloid and asphaltene contents of crude oil in profile are studied.

摘要根据大量分析资料，研究了石油中的硫、石蜡、胶质和沥青质在剖面上的变化规律。

The experiment results of different recycling agent showed that the peptization of recycling agent developed in this paper for the asphaltene is better, and the advantage of this recycling agent was proved from the point of view of asphalt colloid structure.

对不同再生剂的试验结果表明本文开发的再生剂对沥青质的胶溶能力较好，从沥青本质的胶体结构角度证明了该再生剂的优越性能。

After being compared and analyzed, asphaltene deposition models can be classified as the ones based on phase splitting and colloid instability.

在对比分析的基础上，将沥青沉积模型划分为基于相劈分的沥青质沉积模型及基于胶体不稳定性的沥青质沉积理论模型，指出了各模型的局限性及其存在根源。

After being compared and analyzed, asphaltene deposition model s can be classified as the ones based on phase splitting and colloid instability.

在对比分析的基础上，将沥青沉积模型划分为基于相劈分的沥青质沉积模型及基于胶体不稳定性的沥青质沉积理论模型，指出了各模型的局限性及其存在根源。

Propolis is a colloid substance comprised of the resin collected by bee from plant bud and twig, and the secretion of mandibular gland and the beeswax, which is greyish green or yellowish brown in color.

蜂胶是蜜蜂从胶源植物的新生枝芽处采集的树脂类物质，经过蜜蜂混入其上颚腺、蜡腺分泌物反复加工而成的胶状物质，多为青褐色、黄褐色。

By the bands analysis of the spectra,the orientation of bilirubin and biliverdin on the surface of silver colloid was discussed.

本文采用表面增强拉曼光谱技术获得了胆红素和胆绿素分子吸附于银胶颗粒表面的拉曼光谱。

In order to study the influence of preparation techniques on stability of different morphological silver colloid s, stable silver colloid s were produced by the reduction of AgNO3 with the protection of polyvinylpyrroli-done using KBH4 and N2H4 ----------- H2O as reductants.

为了研究制备工艺条件对不同形貌银胶体稳定性的影响，在超声场作用下，以AgNO3为前驱物，聚乙烯吡咯烷酮为保护剂，KBH4和N2H4·H2O分别为还原剂，制备了稳定的银胶体，并利用透射电镜和分光光度技术对制备的银胶体进行了表征。

To investigate the applications of nano-silver colloid in conductive silver film,the nano-silver colloid was synthesized using ascorbic acid reduce silver citrate nano-emulsion in the presence of polyvinylpyrrolidone as a protected agent.

为了合成纳米银胶并考察其在制备导电银膜方面的应用性能，在聚乙烯吡咯烷酮保护下，利用抗坏血酸还原柠檬酸银纳米乳液，合成了纳米银胶，并将其用迈耶棒涂布在支持体上制备了纳米导电银膜。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。