三烯烃

A desire to elucidate this reaction, and the analogous alkyne metathesis reaction, led to the discovery and development of high oxidation state complexes that contain a M=C or M C bond, so-called alkylidene and alkylidyne complexes, respectively.

为了阐述复分解反应，发现和发展了含有双键和三键的金属有机化合物，分别被称谓杂金属烯烃和杂金属炔烃。

We gained the ethynylferrocene in high yield by the the reaction of triphenylphosphine with chloroform or bromoform in the presence of KOBu~t to give witting reagent, which reacted with formylferrocene and then followed by n-butyllithium dehydrohalogenation.

在本论文的第二部分，我们用三苯基磷与溴仿或氯仿在叔丁醇钾作用下，制得三苯基磷甲叉烯，然后与二茂铁甲醛反应，得到二氯取代烯烃，在正丁基锂作用下得到二茂铁乙炔。

In the catalytic pyrolysis process, the summary yield of ethylene, propylene and butylene reaches 51. 54wt%, indicating the prospective future for application of downer reactor in this process.

此外，下行床催化热裂解过程中的乙烯、丙烯和丁烯三种烯烃的总收率达到51.54wt％，显示出了良好的研究开发前景。

The influence of the amount of catalyst, reaction temperature, molar ratio of β-methylnaphthalene and olefins, reaction time and the amount of solvent has also been studied in detail.

详细考察了三氯化铝催化剂用量、反应温度、芳烯物质的量比、反应时间及溶剂用量对β-甲基萘与长链烯烃烷基化的影响。

The structures and configurations of other components weredetermined too.The results show that the structure of components ofChinese lacquer urushiol are the same as components of Japaneselacquer. In this work,2D-heteronuclear relayed coherence transferspectroscopy plays an important role in determining molecularskeleton carbon linkage.

研究结果表明，中国生漆漆酚中含量最大并起关键作用的两双键共轭的三烯漆酚的结构与构型与日本漆中的该组分完全相同，即都有末端甲基的3—十五碳烯烃（8′Z，11′E，13′Z）邻苯二酚，而没有末端双键的存在，其它几个漆酚主要组分的结构也与日本漆酚对应组分基本相同。

HMT general synthesis is aluminum chloride as a catalyst, isopropyl - toluene right with the new hexene, or 2 January 2 3 1 2 1-butene six-olefins reaction.

HMT的合成一般是以三氯化铝为催化剂，由对异丙基甲苯与新己烯、或2，3一二甲基一2一丁烯等六碳烯烃反应生成。

Both catalytic activity and selectivity of Ru(PPh_3)_3Cl_2 were improved in ionic liquid BMImPF_6/DME medium.The conversion of hexene and selectivity ofβ-adduct for the hydrosilylation reaction of 1-hexene with triethoxysilane catalyzed by Ru(PPh_3)_3Cl_2 in ionic liquid BMImPF_6DME (V/V=1/4) medium at 90℃were 100% and 89.0%,respectively.

实验结果表明，在乙二醇二甲醚/离子液体1-丁基-3-甲基咪唑六氟磷酸盐(BMImBF_6)(V/V =1/4)介质中，于90℃下，己烯与三乙氧基硅烷反应的转化率为100%，β加成物的选择性可达89.0%，而用Rh(PPh_3)_3Cl作为反应的催化剂，在纯离子液体BMImPF_6中，就可以高效催化烯烃与三乙氧基氢硅烷的加成反应，过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化剂/离子液体BMImPF_6催化体系，不仅解决了产物与催化剂分离困难这一难题，同时，离子液体BMImPF_6的存在提高了过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化硅氢加成反应的活性，特别是β加成物的选择性。

LOSA-1 is an assistant for increasing production of Light olefine with FCC.The result of its comnercial application in No.2 heavy oil FCC unit in Luoyang company shows that it can raise propylene content in liquefied gas.When its equilibrium addition is about 200kg/d with the proportion to fresh catalyst volume of 5%,the propylne content in liquefied gas can keep at 42%～45%. FCC;propylene;assistant LOSA-1;commercial application

LOSA-1助剂是岳阳三生化工公司和国内科研院所开发的增产轻烯烃FCC助催化剂，该剂在中国石化洛阳分公司2号重油催化裂化装置工业应用的结果表明，LOSA-1助剂具有较强的提高液化气中丙烯浓度的性能，当其平衡加入量控制在200kg/d左右、对新鲜催化剂加入比例为5%左右时，液化气中的丙烯体积浓度能够保持在42%～45%。

XRD results reveal that the addition of HF decreases the defects in the crystal lattice of SAPO 34, which is proved by the two distinct double peaks at 2 θ=26°and 31° and other ...

以氟化氢三乙胺复合模板剂合成的分子筛，在催化甲醇制低碳烯烃反应中结焦速率降低，生成乙烯及丙烯的选择性则略有提高

A desulfurization method is proposed for the removal of sulfur compounds from FCC gasoline by alkylation reaction of thiophenic sulfur with olefins over acid catalysts, and the higher boiling sulfur-containing products are removed by fractional distillation.

选择以噻吩的甲基取代衍生物(包括 2-甲基噻吩、3-甲基噻吩及 2，5-二甲基噻吩)与异丁烯的烷基化反应为模型反应，考察了经三氯化铝气相固载法改性的 CT175 树脂催化剂催化噻吩的甲基取代衍生物与烯烃的烷基化反应性能。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。