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- olefinic halocarbon 烯属卤代烃
- Olefin gas closely approximates air. 烯空气跟空气十分近似。
- A compound that consists of chlorine and halocarbon. 氯烃由氯和卤烃组成的一种化合物
- I advise you don't,but put on some olefin to conserve it. 建议不磨了,上石腊保存起来吧。
- Ozone is formed in the reaction, and a nitro derivative of the olefin. 在反应中形成臭氧及烯烃的硝基衍生物。
- Collect supply/demand data and conduct marketing analysis for olefin products. 收集烯烃产品的市场供需数据并做市场调研。
- 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。
- Domestic gasoline consists of more than 75% high olefin contained FCC naphtha. 我国车用汽油的组成中烯烃含量较高的催化裂化汽油占75%25以上。
- 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。
- They are sometimes difficult to differentiate from aromatic or olefinic absorptions. 有时它们就难于和芳香族或烯烃的吸收峰相互区别。
- The presence of fingerprints, halocarbon oils, and machine oils have been shown to significantly reduce the temperature resistance of metals, including stainless steel and nickel. 已经证明,手印、卤烃油和机油的存在会大大降低包括不锈钢和镍在内的金属的抗温度能力。
- The sticking coefficient of halocarbon on fine particle dopted ice was observed about 2 orders higher than that of on common ice crystal at low temperature. 观测到卤代短在细颗粒物渗溶冰晶表面的低温粘著系数比在冰晶上的粘著系数大2个数量级。
- 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、尼龙以及丙烯膊纤维。
- Hydrocarbon Types in Low Olefinic Gasoline by Mass Spectrometry, Method of Test for (05. 用质谱法测定低烯烃族汽油中烃类型的试验方法(05。
- Activated olefinic bond Amine, thiol, radical initiator, cationic initiator, dienes (Diels-alder reactive). 活性烯键胺,巯基,引发剂,阳离子引发剂,烯烃(的Diels - Alder反应)。
- Amine/Hydrazine Epoxy, isocyanate, aldehyde, diketoester, activated olefinic bond, N-alkoyl. 胺/肼环氧树脂,异氰酸酯,醛,diketoester,激活烯键,蘼alkoyl。
- Any of various halocarbon compounds consisting of carbon,hydrogen,chlorine,and fluorine,once used widely as aerosol propellants and refrigerants. Chlorofluorocarbons are believed to cause depletion of the atmospheric ozone layer. 含氯氟烃由碳、氢、氯及氟构成的卤烃化合物,曾经作为喷雾容器中推进剂及致冷剂被广泛使用,含氯氟烃被认为会导致大气臭氧层的枯竭
- Cyclic carbonate, Amine aldehyde, keto, activated olefinic bond, N-alkoyl, acid, anydride, acid chloride, acetoacetoxy. 环碳酸酯,胺醛,酮,活性烯键的N alkoyl,酸,anydride,酰氯,乙酰乙酸。
- Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and refrigerants. Chlorofluorocarbons are believed to cause depletion of the atmospheric ozone layer. 含氯氟烃由碳、氢、氯及氟构成的卤烃化合物,曾经作为喷雾容器中推进剂及致冷剂被广泛使用,含氯氟烃被认为会导致大气臭氧层的枯竭
- Toward this end, the olefin 51 was treated with cyanogen azide and, indeed, produced the ring expanded ketone 52. 为了证明这一看法,他用氰化迭氮处理烯烃(51)就得到扩大的环酮。