A method of determining low content sulfur in heavy oils was proposed by designing a new large volume pyrolysis tube and optimizing operation conditions Its practical lower detection limit is 0 5 μg/g, and it has good precision, accuracy and linearity for sulfur mass fraction of less than 10 μg/g sample The method is comparable to other methods or analyzers in the worl
通过设计新型大容量的裂解管、优化实验条件,提出了一种重质油品中低含量硫的分析技术。
In order to provide a new method of improving the replication fidelity for micro-feature structure parts in injection molding, taking microlens array as an application case, this paper studied the effects of processing parameters on the replication fidelity of micro-feature structure parts using part weight as a quantitative .
本文以具有广泛应用前景的微结构零件——微透镜阵列为案例，以制品重量为注射成型复制度的量化评价指标，研究工艺参数对其影响规律，探讨一种提高微结构零件注射成型复制度的工艺优化方法。
The results showed that,after modification, the dispersity of nano-Si3N4 in NBR was improved;the physical properties and dynamic properties of the composite,and the service life of oil seal articles were improved,by adding 0.
5份)改性纳米氮化硅填充NBR可以提高复合材料的物理性能和动态力学性能,并大幅延长相应油封制品的使用寿命。
The main production companies withstand high temperatures; Naiyou; acidproof; insulation, car products, O-ring, V,Y-sealed products.
本公司主要生产耐高温；耐油；耐酸；绝缘，油封制品，O型圈，v，Y型密封制品。
1 Oil: Refers to petroleum crude oil, bituminous crude oil, and petroleum products.
一石油：指石油原油、沥青矿原油及石油制品。
Effects of extraction methods on the quality of oil-tea camellia seed oil
不同制油方法对油茶籽油品质的影响
Study of Mechanical Seal Failure of First Product Oil Station in Urumqi
乌鲁木齐成品油首站机械密封故障研究
Lubricate new O-ring Seal with Mopar Power Steering Fluid or equivalent.
用Mopar动力转向油液或同类产品润滑新的O型环油封。
Rubber sealings articles-Terminology
GB/T5719-1995橡胶密封制品术语
flies whose larvae feed on pickles and imperfectly sealed preserves.
其幼虫吃腌菜和未完全密封的腌制品。
Have you had any Ad. Products or Front Page design?Yes,I have. And one of them has got a prize.
你有电脑广告制作或封面设计作品吗?
The Research and Development of Special Saeling Wax for Bottle Hanndicraft Article;
瓶制工艺品密封专用蜡的研究与开发
butter-worker (dairy machinery)
黄油压制机（奶品机械）
HS Heading 33.01 (essential oils)
协调制度品目 33．01 （精油）
a petroleum product used for fuel.
一种石油制品，用作燃料。
Study on the Dynamic Sealing Device of Pumping Units by Injecting Colloid;
抽油井动态注胶式光杆密封装置的研制
Development of Precise Vision Measuring System for Large Sized O-rings
大尺寸油浸密封圈精密图像检测系统的研制
On the exploration in the peddler's spindle fluctuating oil-covered device
搅拌机轴端浮动油封装置设计制造研讨
an industry that produces and delivers oil and oil products.
提炼和传输石油和石油制品的行业。
(3) "Oils" means any kind of oil and its refined products.
（三）"油类"是指任何类型的油及其炼制品。
(4) "Oil" means any kind of oils or its refined products.
（四）“油类”是指任何类型的油及其炼制品。
