挥发

Extracting nonvolatile and semivolatile organic compounds from soils, sludges and waste.

土壤,淤泥和废弃物中萃取非挥发及半挥发有机物.

ObjectiveTo study the chemical constituents of essential oil from Daucus carota L.from Guizhou Province.

目的分析鹤虱风挥发油成分。

The content of involatile impurities in acetamidine hydrochloride was determined by gravimetric analysis.

采用重量分析法测定盐酸乙脒中难挥发杂质的含量。

N-Hexane is highly volatile, highly lipid soluble and consumingly accumulative.

正己烷具有高挥发性、高脂溶性，并有积作用。

Conclusion: The resuscitative effect of naphtha is resulted from the comprehensive action of multiple components.

结论石菖蒲挥发油开窍醒神的作用可能是多个成分综合作用的结果。

Because dinitrogen tetroxide has intense oxidation character, it was often used as one oxidant of bipropellants.

四氧化二氮由于沸点低、易挥发,直接使用时存在诸多不便,常被制成胶体推进剂使用。

OBJECTIVE The optimal extraction and clathration craft of Rhizoma Atractylodis oil in Jianpizhixie Granulas were investigated in this study.

目的优选健脾止泻颗粒中苍术挥发油的提取工艺及包合工艺。

Bagasse is a fuel with such characters as difficult to burn, high moisture content,great evaporability and low energy content.

甘渣是一种难着火、含水份高、挥发份大、发热值低的生物燃料。

Increased reaction time, smaller coal particle size and increased reburn fuel fraction lead to higher NO reduction rate.

所以,在使煤粉成为超细粉的基础上,利用低挥发分烟煤作为再燃燃料是具有可行性的。

INGREDIENTS:Snow Lotus Cohobation, Plum, Polylift, Volatility Silicon Oil, HA, Hydrovance, Etc.

主要成份>雪莲纯露、金缕梅、β-葡聚糖、挥发性硅油、透质酸、羟乙基尿素等。

Modern medicine research indicates that honeysuckle contain chlorogenic acid, flavonoid substance, lonicerin, cyclohexanehexol, minim naphtha and so on.

现代医学研：金银花含绿原酸、黄酮类物质、忍冬甙、肌醇及微量挥发油等。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研土木香挥发油的化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。

N-nitroso compounds including volatile N-Nitrosodimethylamine (NDMA) and non-volatile apparent total N-nitroso compounds (ATNC) showed genotoxic effects in animal model systems.

摘要N-亚硝基化合物属致癌物质，有挥发性N-亚硝基二甲胺(NDMA)和非挥发性N-亚硝基化合物(ATNC)两种。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥发油。

Some people have reported seeing more semivolatile elements in a class of interplanetary dust particles (IDPs) called “chondritic porous” IDPs.

曾有人报告在一类被称作“多孔球粒陨石”的行星尘埃颗粒（IDPs）中见到了较多的半挥发性元素。

Conclusion: The main constituents of the volatile oil in Rubus chingii Hu are hexadecanoic acid (28.23 %) and ambrettolide (26.24 %).

覆盆子挥发油主要成分为正十六酸、黄葵内酯,分别占挥发油总量的28.23%和26.24%。

The maximum inhibition rate of the extract on the formation of N-nitrosodimethylamine and NO2-elimination capabilities of coriander leaf essential oil was 70.

研了超声波法提取芫荽茎叶挥发油以及挥发油对N-亚硝基二甲胺合成的阻断作用和对亚硝酸钠的清除作用。

Simulates the multi-hearth work condition,promotes to uses the zinc volatility kiln processing zinc scum dechlorinate,by this increase income earning of an enterprise.

模拟多膛炉作业条件,推广至采用锌挥发窑处理锌浮渣脱氯,以此增加企业收益。

Objective Using accurate monitoring,and high precision anesthetic machine and vapourizer,and guided with a simple mathematics formula to implement low-flow inhaled anesthetic techniques.

目的依据简单的数学公式和应用高精度的麻醉机和挥发罐,在监测下实施低流量吸入麻醉的方法。

Effective, rapid, non volatile, non conflagate, less insitation, recovery use, it is an ideal substitute of gasoline and diesel oil using for cleaning.

清洗效果好、速度快、不挥发、不燃烧,气味小,可重复使用,是替代汽油、柴油清洗发动机的安全、方便的理想产品。