目的探讨正己烷毒性的作用机制。
方法药品碱化后用正己烷萃取。
最佳的脱脂溶剂为正己烷。
以正己烷在沸石上的裂解对该装置进行了考察。
The device was used to investigate the cracking reaction of n-hexane on zeolites.
小麦样本用甲醇提取后,用乙腈和正己烷分配。
The wheat grain samples were extracted by methanol, and then the extract was partitioned between acetonitrile and hexane.
结果表明,正己烷和石油醚作提取溶剂效果较好。
It was found that both n-hexane and petroleum ether were good solvent for ultrasonic-assisted process.
目的探讨正己烷对神经系统早期损伤的检测指标。
Objective to explore the early monitoring indices of neural system lesion by N-hexane.
该硅铝磷酸盐材料具有甲醇转 化活性和正己烷裂化活性。
The silicoaluminophosphate material has methanol conversion activity and n-hexane cracking activity.
它的正己烷与甲醇吸附量均较低,而水的吸附量相对较高。
Its adsorption capacities of hexane and methanol are obviously low, whereas the capacity of water is relatively high.
采用程序升温法,以正己烷为碳化原料制备碳化钼,对噻吩。
Molybdenum carbide was prepared with n-hexane as carbon source by temperature programming method.
电解液经正己烷萃取和活性炭吸附可再生循环使用8次以上。
The electrolytic liquor can be repeatedly used over 8 times by regeneration after (extraction) by n-hexane and adsorption by activated carbon.
分析乌骨鸡正己烷提取物组成成分,并研究其抗皮肤衰老活性。
The composition and anti-aging activity of hexane extracts from Black-bone Silky fowl were investigated.
在正己烷中基本无团聚,呈现单分散,形态均一,粒径分布窄。
The Co nanorods showed narrow size distribution and no agglomeration in hexane.
最后进行了工业间歇共沸精馏分离正己烷和乙酸乙酯的实验研究。
Finally the separation of n-hexane and ethyl acetate was tested with an industrial column in a way of batch azeotropic distillation.
方法:对121例慢性正己烷中毒患者进行神经电图及EMG检测。
Methods: The electroneurograms and EMGs were performed in 121 patients with n-hexane chronic intoxication.
近几年来,慢性正己烷中毒事故呈上升趋势,应引起全社会的重视。
Chronic n-Hexane poisoning is showing an increasing trend in recent years, which should be taken into great consideration.
纯化阶段,硅胶柱色谱及制备型薄层色谱处理提取物,正己烷沉淀结晶。
In purifying phase, the extracts were disposed by silica gel column chromatography and preparation lamella chromatography, then crystaled by N-Hexane.
碳氢化合物主要油脂类提取正己烷氯仿或从表面角质层越冬虫瘿苍蝇幼虫。
Hydrocarbons were the major lipid class extracted by hexane or chloroform from the cuticular surface of overwintering gall fly larvae.
目的:观察慢性正己烷中毒患者的神经电图和肌电图(EMG)改变的特点。
Objective: to demonstrate relative changes and characteristics of electroneurograms and electromyograms (EMGs) in patients with n-hexane chronic intoxication.
用红外光谱和正己烷裂解反应考察了不同处理条件对其酸性和催化活性的影响。
IR and n-hexane cracking reaction were used to investigate the effect of different treatment conditions on acidity and catalytic activity.
这表明采用加速溶剂提取技术,可用价格较低的甲醇取代昂贵的正己烷和丙酮。
Therefore, it is possible to use the cheap solvents (mixture of methanol and water) instead of the expensive hexane and acetone when the Accelerated Solvent Extraction method is employed.
相对来说,丙酮提取物中的低沸点组分偏多,正己烷提取物中的高沸点组分偏多。
Relatively, the acetone extract includes more components of lower boiling point, while it is opposite for n-hexane extract.
结论白细胞趋化性可尝试作为正己烷效应性生物标志物,但仍需进一步深入研究。
Conclusion Polymorphonuclear leukocyte chemotaxis might be the effect biomarker of n-hexane but needs to be explored father.
方法:以活性碳管采集空气中正己烷,用二硫化碳解吸后气相色谱(FID)测定。
Methods: Active carbon tube adsorption and solvent desorption were used for sampling hexane and analysis was performed by GC(FID).
以硅胶为固定相,正己烷丙酮、正己烷丙酮乙醇分别作为胡萝卜素及叶黄素的洗脱剂。
Silica gel is taken as solid phase, Hexane acetone as the eluting reagent of carotene and Hexane acetone ethanol as the eluting reagent of lutein.
方法采用顶空气相色谱法对树脂残留物正己烷、苯、甲苯、二甲苯、苯乙烯进行检测。
METHODS Headspace GC was used to determine the skellysolve B, benzene, methylbenzene, styrene in Peristrophe baphica extraction.
同时对异丙醇浸出的大豆粗脂肪理化指标进行了测定,并与正己烷浸出的粗脂肪做比较。
The characteristics of crude oils from the IPA extraction process were measured and compared with that from hexane extraction process.
氢化的大豆,玉米,和油菜籽油-装有危险的反式脂肪和有毒正己烷溶剂处理-定期包装食品。
Hydrogenated soy, corn, and canola oils - loaded with dangerous trans-fats and processed with toxic hexane solvents - are routinely added to packaged foods.
以水和正己烷作为介质,考察了通入空气对内管加热的竖直圆柱形环隙内的沸腾传热性能的影响。
Heat transfer of nucleate boiling of water and n-hexane in a vertical cylindrical annulus with inner side heated has been experimentally investigated.
以水和正己烷作为介质,考察了通入空气对内管加热的竖直圆柱形环隙内的沸腾传热性能的影响。
Heat transfer of nucleate boiling of water and n-hexane in a vertical cylindrical annulus with inner side heated has been experimentally investigated.
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