Objective To find out the state of occupational hazard of some industries using benzene and its compounds.
目的为初步摸清淄博市使用苯及其化合物行业的职业病危害现状。
Objective to investigate the clinical feature of acute aplastic anemia (AAA) touched benzene and its clinical significance.
目的探讨苯接触史急性再生障碍性贫血(AAA)的临床特点及意义。
Objective to explore the titer of plasma antibody against heat stress protein 70 (HSP70) in workers exposed to benzene and its possible relationship to their health.
目的找出不同苯接触水平工人血浆热应激蛋白70抗体滴度与工人健康状况之间的关系。
Benzene and its compounds were degraded with this catalyst in a three-phase fluidized bed photo-catalytic reactor and the reaction conditions for photo-catalytic degradation were investigated.
并用该催化剂在自制的三相流态化反应器内对苯及苯化合物进行了光催化降解反应的研究，并对各种情况下的反应条件进行了探索。
The results showed that there were 36 to 131 sorts of benzene and its derivatives, heterocyclic compounds, and polycyclic compounds being detected. Most of them have harmful effect on human health.
分析结果表明，这些香烟中，含有苯类衍生物、杂环类化合物及多环化合物等，从36种到131种不等，绝大多数有害人体健康。
On April 18, 1996, on her lunch break, she drove to the state's TNRCC office and reported that Koch had lied about its benzene emissions.
1996年4月18日，午休时间，她驱车前往州自然资源保护委员会办公地，报告科赫公司在苯排放报告中撒了谎。
Due to the limitation of the traditional pickling process, the sulfur content of coking benzene is high, and its market competitiveness is difficult to match that of petroleum benzene.
由于传统酸洗精制工艺的限制，焦化纯苯的含硫量高，其市场竞争力难以与石油苯相匹敌。
"After the blast at the chemical plant the monitoring station in Jilin found that benzene went into the river and polluted the water," the EPA said in a statement on its website.
环保局在它网站的一份报告里说，在化工厂的大爆炸之后，吉林省的环境监测站已经发现苯进入了河流污染了水质。
This article introduces the production technology of ethyl benzene by circulation process for liquid phase and its AEB type zeolite catalyst.
报道了苯和乙烯液相循环烷基化工艺及其所用AEB型分子筛催化剂。
This invention describes a hydroxylamine benzene dismutase, its coding gene and applications.
本发明公开了一种羟氨苯歧位酶及其编码基因与应用。
Based on the Asahi chemical process, the reaction mechanism of partial hydrogenation of benzene, development of relating catalysts, its influential factors, and the consecutive process are summarized.
以旭化成工艺为基础，概述了苯部分加氢反应机理、相关催化剂的研究开发、反应影响因素及后续工艺过程，比较了旭化成工艺与传统工。
Meantime, absorption value of iodine, benzene and formaldehyde on bamboo charcoal and its volume electric resistance rate was determined.
测定竹炭对碘、苯、甲醛等的吸附性能及竹炭体积电阻率，发现所用竹炭性能较好。
The invention relates to a new fluorine-containing compounds 5,5,5- trifluoro -4-(benzene imidogen) ethyl valerate and its Synthesis method, belonging to organic compound synthesized technique realm.
本发明涉及一种新的含氟化合物5，5，5-三氟-4-（苯亚胺基）戊酸乙酯及其合成方法，属有机化合物合成工艺技术领域。
The hydroxylamine benzene dismutase and its coding gene in this invention play an important role in the production of ortho-aminophenols and their derivatives.
本发明的羟氨苯歧位酶及其编码基因将在邻氨基酚类芳香族化合物及其相关衍生化合物的生产中发挥重要作用。
Because of the weakened conjugated actions between the carbon-carbon double bonds in the benzene ring and its strong strain in molecule, 5,6,9,10- tetradehydrobenzocyclooctene decomposes easily.
结果表明5，6，9，10-四脱氢苯并环辛烯分子平面刚性结构，可能稳定存在，但由于苯环共轭性的削弱和较高的张力，使得它易于分解。
Avoid exposure to benzene, formaldehyde and its derivatives, such as the use of substandard benzene, formaldehyde concentrations of families decoration materials, pesticides, gasoline, painting.
避免接触苯、甲醛及其衍生物，如使用含超标苯、甲醛浓度的家庭装修材料、农药、汽油、油漆等。
Taking sulfureted hydrogenation for sulfur source, this paper studied the influences of sulfur on the performances of the platinum catalyst for benzene hydrogenation and its regeneration capabilities.
以硫化氢为硫源，考察硫对苯加氢用铂催化剂性能的影响及其再生性能。
Objective To investigate the present situation of benzene occupational hazard in Qinghai province and its countermeasures.
目的摸清青海省苯职业危害现状以制订防治对策。
Objective To investigate the present situation of benzene occupational hazard in Qinghai province and its countermeasures.
目的摸清青海省苯职业危害现状以制订防治对策。
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