Olefin gas closely approximates air.
烯空气跟空气十分近似。
Olefin gas closely approximates air .
烯空气跟空气十分近似。
Process flow of olefin conversion unit is introduced.
对烯烃转换工艺技术作了介绍。
We use synthetic materials such as nylon, polyester, acrylic or olefin.
用合成纤维，像尼龙、 多元酯、压克力或烯属烃。
High gaseous olefin yields are the main features of DCC and MGG technologies.
多产气体烯烃是DCC和MGG工艺的主要特点。
The higher the olefin trap temperature, the lower the ability of adsorbing olefins.
烯烃的穿透性随碳数的降低和烯烃阱温度的升高而增加。
Application and preparation of a non-hydrogenation reducing-olefin catalyst were studied.
研究了一种非加氢降烯烃催化剂的制备及应用。
Metallocene catalysts are replacing traditional catalysts in syntheses of olefin polymers.
在烯烃聚合物合成中茂金属催化剂正在替代传统催化剂。
Effects of FCC technological conditions on gasoline olefin content were also investigated.
与此同时考察了催化裂化工艺条件对汽油烯烃含量的影响。
These fabrics are made of such fibers as polypropylene, olefin, polyester, nylon, and acrylic.
这些织物使用的纤维有：聚丙烯、烯烃、涤纶、尼龙以及丙烯腈纤维。
Application and preparation of a non - hydrogenation reducing - olefin catalyst were introduced.
介绍了一种非加氢降烯烃催化剂的制备及应用。
It was validated that ethylene is the origination olefin of methanol to propylene by experiments.
通过实验验证了乙烯是甲醇转化制丙烯过程中的起始烯烃产物。
The submitted plastic complies with the FDA Specifications for polyethylene olefin polymers requirement.
提交的塑料符合FDA对聚乙烯合成纤维聚合物的要求。
The relationship between olefin content in gasoline and exhaust emission of gasoline engine is discussed.
讨论了汽油中的烯烃与发动机排放之间的关系。
The applications of palladium membrane in the reaction system for producing olefin and hydrogen were introduced.
介绍了钯膜在制取烯烃和氢气的反应系统中的应用。
Isomerized gasoline is the cleanest high-octane gasoline component, which is free of sulfur, olefin and aromatics.
异构化汽油不含硫、烯烃及芳烃，是最洁净的高辛烷值汽油组份。
Ethylene distillation column is very important in olefin plant because it directly affects the quality and yield of ethylene.
乙烯精馏塔直接分离出产品乙烯，该塔控制的好坏直接影响产乙烯的产品质量和收率。
The olefin cracking and the pentene isomerization over zeolites are two very important reactions in the petrochemical industry.
分子筛催化的烯烃裂解以及戊烯异构化是两个重要的石油化工过程。
Lowering gasoline aromatics content reduced HC and co emission, but olefin reduction had a adverse effect on HC and co emission.
汽油中芳烃含量降低，排放的CO、HC降低；烯烃含量降低，对CO、HC排放有负面影响。
Using split type membrane bioreactor ( MBR) can achieve effective removal of alpha olefin sulfonate (AOS)in simulant wastewater.
采用分置式膜生物反应器（MBR）进行去除模拟废水中a-烯基磺酸钠（AOS）的实验。
Propylene copolymer, polypropylene composition, use thereof, transition metal compounds, and catalysts for olefin polymerization.
丙烯共聚物，聚丙烯组合物及其用途，过渡金属化合物和烯烃聚合催化剂。
In order to enhance the yield of the total liquid and further reduce the olefin content in gasoline, LHO-1 catalyst is put on trial.
为提高装置总液收率和进一步降低汽油组分中的烯烃含量，催化裂化装置开始试用LHO-1催化剂。
Progress on synthesis of post transition metal nickel complex and its application as catalyst in olefin polymerization was reviewed.
对后过渡金属镍络合物及其催化烯烃聚合的研究进展进行综述。
The progresses in five-membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.
综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用。
Supported catalysts of olefin polymerization were prepared by interacting magnesium alkyls with chlorinated agents, and electron donors.
由烷基镁、氯化试剂及电子给予体制备了烯烃聚合载体催化剂。
Analysis is made on the method and operation condition adjustment by the industrial refinery for reducing olefin content in RFCC gasoline.
对工业装置降低R FCC汽油烯烃含量的方法及操作条件的调整进行了分析。
The activity, olefin selectivity and thermal stability of F -T catalyst can be improved by using ultrafine particle with a suitable promoter.
利用超细粒子并选用适当的助剂提高了F-T过程的反应活性，选择性和热稳定性。
The improvement on production technique of sulfurized olefin abroad was described, the improved technique was compared with the traditional one.
介绍了国外硫化烯烃的生产工艺改进方法及改进后的硫化烯烃与传统硫化烯烃的性能比较。
The improvement on production technique of sulfurized olefin abroad was described, the improved technique was compared with the traditional one.
介绍了国外硫化烯烃的生产工艺改进方法及改进后的硫化烯烃与传统硫化烯烃的性能比较。
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