Probing into Safety Technology of Dowtherm in Chemical Production 导热油在化工生产中的安全技术探讨
Effects of Exposure to Low Concentration of Terephthalic Acid, Ethylene Glycal and Dowtherm A on Health of the Exposed Workers 对苯二甲酸、乙二醇、联苯联苯醚长期低剂量接触对工人健康的影响
Technical reformation for liquid dowtherm spraying system of DuPont process 杜邦工艺液相导生喷淋系统技改的探讨
Measures of improving running situation of Dowtherm heater in PET plant 改善聚酯装置热媒炉运行状况的几项措施
Once the reaction in the fluid bed is succeed, the Dowtherm system will be used to cool the fluid bed and maintain the operation of the fluid bed. 最后一旦FBR运行完成,热油系统就会用来冷却流化床,维护流化床。
Verify all the equipments and pipelines of the Dowtherm system are in good condition. 检查加热炉运行系统所有设备及管道是否正常。
In the afternoon, I called a few when dowtherm classmates downstairs and first-year students played the snow. 下午,我叫了几个当导生的同学一起下楼去和一年级的学生玩起了雪来。
The dowtherm design depends on the characteristics of dowtherm and polyamide production process. 必须根据导生的特性及聚酰胺生产的工艺特点,选择合理的设计方案。
This self-reliance in Dowtherm and Zen has strengthened the tendency in ancient Chinese art psychology to value subjects activity, hence deserving further researches at present for the values of some original ideas. 道生和禅宗的自力说,对中国古代艺术心理学思想中重视主体能动性的趋向起了很大的推动促进作用,包含值得今天挖掘利用的思想资源。
Experimental Study of the Dowtherm A Heat Pipe Used in the Bus Heating Equipment 导热姆A热管用于公路客车采暖装置的试验研究
New Technology of Anticorrosion Asphalt Heated and Melted by Dowtherm 导热油加热熔化防腐沥青工艺
Combination with the first time commissioning practice of the Dowtherm heating system, its application condition on the continuous polyester plant, the system control type, other characteristics and the development significance of the system were analysed. 结合该热媒加热系统初次试运转的实践,分析了它在连续聚酯装置上应用的情况、系统控制方式和其他一些特点及开发此系统的意义。
Study on the test of dowtherm content in water 水中热媒含量测试方法探讨
The process and remaining problems of dowtherm system for Barmag ′ s spinning machine of POY microfilament yarn were introduced. Compared three kinds of technical innovation methods, the technical innovation was carried out on dowtherm system. 介绍了Barmag公司涤纶POY纺丝机联苯系统的工艺流程和运行中存在的问题,提出了3种改造方案,经比较后选择其一对联苯系统进行了改造。
Computer control thermostatical system heating dowtherm 联苯加热恒温计算机控制系统
A simple method that using ordinary water to wash the dirt on dowtherm boiler coil pipes and air preheater was introduced. 介绍热媒炉盘管和空气预热器用清水冲洗灰垢这一简易方法来提高热效率。
Through innovation, the heating period of the whole system decreased from 30~ 40 h to 12 h below. The frequency of adding dowtherm reduced. The drain of individual spinning manifold is easier than before. 改造以后整个系统的升温时间由原来的30~40h下降到12h以下,添加联苯的周期延长,单个纺丝箱体排放更为方便。
The road experiment indicated that dowtherm A heat pipe could be satisfactorily used in heating equipment of bus to recover waste heat from exhaust gas of the internal combustion engine. 实验结果表明,导热姆A热管可成功地用于发动机排气余热采暖装置。
Objective To study injury of liver and kidney among the workers exposed to terephthalic acid ( TPA), ethylene glycol ( EG) and ( or) dowtherm A ( DOW), and research for early biological monitoring indexes. 目的研究对苯二甲酸(TPA)、乙二醇(EG)、联苯-联苯醚(DOW)对职业人群肝肾损伤的影响,寻找作业工人健康监护的早期指标。
The results showed that Dowtherm A has potential hepatotoxic effect and it challenged the present MAC of Dowtherm A. 结果提示导生A对肝脏有潜在毒性,并对目前导生A车间MAC7mg/m~3提出疑问。