查询词典 alkali

Plots of molar volume verses temperature are linear for all samples in the stable liquid region, but there is an increase in the slope〓 with decreasing temperature in the supercooled liquid region, analogous to that observed for C〓 in similar alkali titanosilicate liquids.

将摩尔体积对温度作图，在稳定的液体区内两者为线性关系，随着温度的降低到达过冷液相区，摩尔体积对温度的斜率升高，类似于在相近的碱硅酸盐熔体中观察到的热容的异常现象(Richet and Bottinga，1985；Lange and Navrotsky，1993；Tangeman and Lange，1998)。

The functional plot,topologic structure and characteristic elements of information management network for alkali plant are described in detail.

描述了碱厂生产信息管理网络的功能、拓扑结构和基本组成，介绍了各生产车间主控工作站、生产技术科工作站等几个主要工作站的功能，简述了软件开发平台、开发语言的选择和软件的开发方法

By using the methods of XRD and physical-chemical analysis ,the results have revealed the changes in components and textures and mechanisms of alkali trachyte at different temperatures when roasting.

应用X衍射、化学分析结果和物理化学分析方法，研究富钾粗面岩在不同温度下焙烧所发生的矿物成分和结构变化及其变化机理。

As to the high polarity, high boiling point resultant—trimesic acid, the analysis methods of infrared spetrum, gas chromatography-mass spectroscopy, vapour-phase chromatography, acid number titration and so on are seperately used to characterize its property. Infrared spetrum and gas chromatography-mass spectroscopy are used to have a qualitative analysis on the resultant and are compared with the stand diagram. Sulfuric acid-methanol esterification and rapid esterification are used to prepare the trimesic acid trimethyl-ester and have a FID quantitative analysis. So that we make sure the purity of trimesic acid in the resultant and also we have an acid alkali titration on the resultant to get its acid number, in order to verify the purity of trimesic acid in the resultant.

对于高极性、高沸点的固体产物均苯三甲酸，分别采用红外光谱、气质联用、气相色谱、酸值滴定等分析手段进行了表征：利用红外光谱、气质联用的方法进行产物的定性分析，并与在同一仪器、同一条件下做出的标准谱图进行比对；采用硫酸-甲醇酯化法和快速酯化法制备出均苯三甲酸三甲酯，对其进行气相色谱FID定量分析，进而确定固体产物中均苯三甲酸的纯度；用酸碱滴定法确定固体产物的酸值，以对固体产物中均苯三甲酸的纯度进行验证。

The original defined adakitesare sodium igneous rocks, they are tonalite, trondhjemite or (plagioclase-rich) granodiorite in whole-rock chemistry; however, the K-rich "C-type" adakite defined by Chinese scholars are potassic igneous rocks, they are granite, quartz monzonite and (alkali feldspar-rich) granodiorite, etc.

最初定义的埃达克岩是钠质火成岩，其全岩化学成分相当于英云闪长岩、奥长花岗岩和花岗闪长岩；而富钾的&C型埃达克岩&全岩化学成分相当于花岗岩、石英二长岩和花岗闪长岩。

To find the highly efficient biological treatment conditions was found the results showed that ultrasound treatment and after biological treatment Uncaria alkali content than the untreated materials have been significantly improved, and the yeast of fermentation to deal with the rhynchophylline is the highest yield.

结果表明，经超声处理和生物方法处理后钩藤碱含量较未经处理材料有了显著提高，其中以酵母发酵处理钩藤碱收率最高。

High-Na andesites ; adakite ; melting of alkali-rich basaltic underplate ; Jiangxi province

高钠安山岩；埃达克岩；富碱玄武岩熔融；底侵作用；江西

In this article, three representative oil and fat resourse (edible raw oil, unedible linseed oil and waste oil and fat) were used to study the fatty acid methyl ester preparation technology, and the products from different technologies were compared and analysed. For plant oil, ester exchange process was performed immediately after simple decolorating and alkali refining pretreatment.

对于植物油脂，采用简单的脱色、碱炼预处理后，直接进行酯交换的工艺；对于废油脂，由于其成分变质较严重，预处理也显得相对复杂，采用了先预酯化再酯交换的工艺和先皂化酸化后再酯化的两种工艺。

The relationship between the ratio of intensity of the third vibronic band to that of the first vibronic band in pyrene monomer fluorescence spectrum and its environmental polarity is used to probe the effects of alkali-metal chlorides MCl(M+= Li+, Na+, K+) on the microenvironment of b-cyclodextrin cavity.

基于芘的单体荧光光谱振动结构与其所处环境极性的相关性，研究了碱金属氯化物对β-环糊精空腔微环境的影响。

The depth of theHolocene alkali magmatic chamber and a new cognition for the differentiation and zoning areproposed.Through the macro-prediction,there will be extensive volcan...

提出全新世碱流质岩浆房深度及分异分带新认识和宏观预测长白山天池区今后可能还有大规模的火山喷发。

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