Objective to explore the early monitoring indices of neural system lesion by N-hexane.
目的探讨正己烷对神经系统早期损伤的检测指标。
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。
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.
方法对33例慢性正己烷中毒病例、60例接触正己烷的员工和无毒物接触史的30名工人进行肝功能及肝脏B超检查。
Relatively, the acetone extract includes more components of lower boiling point, while it is opposite for n-hexane extract.
相对来说,丙酮提取物中的低沸点组分偏多,正己烷提取物中的高沸点组分偏多。
Molybdenum carbide was prepared with n-hexane as carbon source by temperature programming method.
采用程序升温法,以正己烷为碳化原料制备碳化钼,对噻吩。
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
改性后超稳Y型分子筛的晶体结构热稳定性增加,脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
The best defatting solvent was n-hexane.
最佳的脱脂溶剂为正己烷。
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。
Methods: The electroneurograms and EMGs were performed in 121 patients with n-hexane chronic intoxication.
方法:对121例慢性正己烷中毒患者进行神经电图及EMG检测。
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。
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,硅胶柱色谱及制备型薄层色谱处理提取物,正己烷沉淀结晶。
Objective: to demonstrate relative changes and characteristics of electroneurograms and electromyograms (EMGs) in patients with n-hexane chronic intoxication.
目的:观察慢性正己烷中毒患者的神经电图和肌电图(EMG)改变的特点。
A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.
建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。
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呈上升趋势,应引起全社会的重视。
The electrolytic liquor can be repeatedly used over 8 times by regeneration after (extraction) by n-hexane and adsorption by activated carbon.
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。
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和乙酸乙酯的实验研究。
It was found that both n-hexane and petroleum ether were good solvent for ultrasonic-assisted process.
结果表明,正己烷和石油醚作提取溶剂效果较好。
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例慢性正己烷中毒患者进行测试。
Predicted results of VL, LL and VLL equilibria for methane-n-hexane system are satisfactory with identical binary interaction parameter.
对甲烷-正己烷系统的汽液、液液、汽液液三种类型的相平衡数据用同一个二元相互怍用参数得到满意的关联结果。
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,山稔子水、无水乙醇、甲醇、50%甲醇、正己烷和乙酸乙酯的提取物对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。
The device was used to investigate the cracking reaction of n-hexane on zeolites.
以正己烷在沸石上的裂解对该装置进行了考察。
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例亚急性正己烷中毒所导致的周围神经病患者的临床资料、神经肌电图、治疗经过,并追踪观察1年预后。
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‘糊烟’为原料,正己烷为提取溶剂,在单因素试验基础上再经正交试验优化‘糊烟’净油提取工艺;
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.
再采用顶空气相色谱法检测所得苹果多酚纯化物中正己烷、苯、甲苯、对二甲苯、邻二甲苯、苯乙烯等有机溶剂残留均低于检测限。
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。
The silicoaluminophosphate material has methanol conversion activity and n-hexane cracking activity.
该硅铝磷酸盐材料具有甲醇转 化活性和正己烷裂化活性。
Conclusion Escaping from the toxic environment earlier and receiving treatment earlier can make the prognosis of subacute N-hexane toxicity better.
结论亚急性正己烷中毒及早脱离环境、及早治疗,预后较好。
Based on the characteristics that in coal bed gas exist rich benzene and poor N-hexane, the authors propose two indicators as"Benzene lndex"(B)and"N-hexane lndex"(H)to distinguish the coal bed gas.
根据煤层气体具有富苯和贫正己烷的特征,提出了“苯指数”(B)和“正己烷指数”(H)两项判别煤层气的指标。
The samples were extracted with 1% acetic acid-acetonitrile solution, cleaned up with amine (NH2) sorbent and defatted with n-hexane.
样品用1%乙酸-乙腈溶液提取,NH 2吸附剂净化,正己烷脱脂。
The samples were extracted with 1% acetic acid-acetonitrile solution, cleaned up with amine (NH2) sorbent and defatted with n-hexane.
样品用1%乙酸-乙腈溶液提取,NH 2吸附剂净化,正己烷脱脂。
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