• The best defatting solvent was n-hexane.

    最佳脱脂溶剂己烷。

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  • The device was used to investigate the cracking reaction of n-hexane on zeolites.

    以正己烷沸石裂解装置进行了考察

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  • Objective to explore the early monitoring indices of neural system lesion by N-hexane.

    目的探讨己烷神经系统早期损伤检测指标

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  • Molybdenum carbide was prepared with n-hexane as carbon source by temperature programming method.

    采用程序升温法正己烷碳化原料制备碳化,对噻吩。

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  • The silicoaluminophosphate material has methanol conversion activity and n-hexane cracking activity.

    硅铝磷酸盐材料具有甲醇转 化活性正己烷裂化活性。

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  • It was found that both n-hexane and petroleum ether were good solvent for ultrasonic-assisted process.

    结果表明正己烷石油提取溶剂效果较

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  • Methods: The electroneurograms and EMGs were performed in 121 patients with n-hexane chronic intoxication.

    方法121慢性正己烷中毒患者进行神经电图及EMG检测

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  • Methods The electromyography and nerve conduction velocities were determined in 16patients with N-hexane intoxication.

    方法常规肌电图检查技术对16例慢性正己烷中毒患者进行肌电图神经传导速度检测。

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  • Chronic n-Hexane poisoning is showing an increasing trend in recent years, which should be taken into great consideration.

    近几年来,慢性正己烷中毒事故上升趋势引起全社会的重视。

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  • Relatively, the acetone extract includes more components of lower boiling point, while it is opposite for n-hexane extract.

    相对来说丙酮提取物中的沸点组分,正己烷提取物中的高沸点组分偏多。

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  • Conclusion Polymorphonuclear leukocyte chemotaxis might be the effect biomarker of n-hexane but needs to be explored father.

    结论白细胞趋化性尝试作为正己烷效应性生物标志物进一步深入研究

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  • Finally the separation of n-hexane and ethyl acetate was tested with an industrial column in a way of batch azeotropic distillation.

    最后进行了工业间歇共沸精馏分离正己烷乙酸乙酯实验研究。

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  • The samples were extracted with 1% acetic acid-acetonitrile solution, cleaned up with amine (NH2) sorbent and defatted with n-hexane.

    样品1%乙酸-溶液提取NH 2吸附剂净化,正己烷脱脂

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  • Predicted results of VL, LL and VLL equilibria for methane-n-hexane system are satisfactory with identical binary interaction parameter.

    对甲烷-己烷系统汽液、液液、汽液液三种类型的相平衡数据同一个相互怍用参数得到满意的关联结果

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  • IR and n-hexane cracking reaction were used to investigate the effect of different treatment conditions on acidity and catalytic activity.

    用红外光谱正己烷裂解反应考察不同处理条件其酸性催化活性影响

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  • The method that using n-hexane as an extractant had a little injure to lab assistant, as compared with CCl_4 used by GB/T16488-1996 method.

    使用正己烷作为萃取和测试溶剂,同国标方法GB/T16488-1996)所用的四氯化碳相比可减少对测试人员的伤害

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  • The electrolytic liquor can be repeatedly used over 8 times by regeneration after (extraction) by n-hexane and adsorption by activated carbon.

    电解己烷萃取活性炭吸附再生循环使用8以上

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  • Conclusion Escaping from the toxic environment earlier and receiving treatment earlier can make the prognosis of subacute N-hexane toxicity better.

    结论亚急性己烷中毒及早脱离环境、及早治疗预后较好

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  • The results showed that all the water, alcohol, methanol, 50% methanol, n-hexane and acetic ester extracts have antioxidation on lard and peanut oil.

    实验表明,山稔子、无水乙醇甲醇、50%甲醇、正己烷乙酸提取物猪油和花生油均具有抗氧化作用,而且其抗氧化作用的强弱与溶剂的极性直接相关。

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  • Heat transfer of nucleate boiling of water and n-hexane in a vertical cylindrical annulus with inner side heated has been experimentally investigated.

    己烷作为介质,考察了通入空气对内管加热竖直圆柱形环隙沸腾传热性能的影响。

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  • In purifying phase, the extracts were disposed by silica gel column chromatography and preparation lamella chromatography, then crystaled by N-Hexane.

    纯化阶段硅胶色谱制备型薄层色谱处理提取物,正己烷沉淀结晶。

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  • Methods 23 patients with chronic occupational n-hexane poisoning were tested with Minnesota Multiphatic Personality Inventory (MMPI, Chinese revision).

    方法采用明尼苏达多相人格调查表(MMPI中国版)对23慢性己烷中毒患者进行测试。

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  • Objective: to demonstrate relative changes and characteristics of electroneurograms and electromyograms (EMGs) in patients with n-hexane chronic intoxication.

    目的:观察慢性己烷中毒患者神经电图电图(EMG)改变特点

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  • Methods Clinical data, electrophysiology changes and treatment courses of 17 cases subjecting subacute N-Hexane toxicity and followed up for one year were analyzed.

    方法记录17亚急性己烷中毒所导致周围神经病患者的临床资料、神经肌电图、治疗经过,追踪观察1年预后。

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  • Methods liver functions and liver B ultrasonic examination were carried out in 33 chronic n-hexane poisoning patients, 60 n-hexane exposed workers and 30 control workers.

    方法33例慢性己烷中毒病例60接触正己烷的员工无毒物接触史的30工人进行肝功能肝脏B检查

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  • Abstract : A process for extraction of absolute oil from Sichuan 'paste' tobacco was optimized through single factor test and orthogonal test with n-hexane as extraction solvent.

    摘要 : 以四川原料,正己烷提取溶剂,在因素试验基础上再正交试验优化‘糊烟’净提取工艺

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  • There were not n-hexane, benzene, toluene and xylene, o-xylene, styrene and other organic solvent residue in the purification of apple polyphenol by the headspace gas chromatograph.

    再采用空气相色谱法检测所得苹果多酚纯化中正己烷、甲苯、对二甲苯、邻二甲苯、苯乙烯有机溶剂残留均低于检测限。

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  • The separation of n-pentane, n-hexane and n-heptane mixture with the dividing wall column(DWC) was simulated with commercial software HYSYS, and the optimized operation region was obtained.

    以正烷、正己烷庚烷分离物系,在简捷计算结果的基础上,利用商业模拟软件HYSYS研究了进料热状态、进料组成和相对挥发度等进料性质对立式隔板操作的影响。

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  • The separation of n-pentane, n-hexane and n-heptane mixture with the dividing wall column(DWC) was simulated with commercial software HYSYS, and the optimized operation region was obtained.

    以正烷、正己烷庚烷分离物系,在简捷计算结果的基础上,利用商业模拟软件HYSYS研究了进料热状态、进料组成和相对挥发度等进料性质对立式隔板操作的影响。

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