英语人>网络例句>己烯 相关的搜索结果
网络例句

己烯

与 己烯 相关的网络例句 [注:此内容来源于网络,仅供参考]

The selective response of Holotrichia oblita to different plant volatiles (1) By steam distillation and dichloromethane, in the Y-tube olfactometer bioassay, the crude extract from castor-oil plant leaves was obviously attractive to female and male of Holotrichia oblita than cotton, Abutilon theophrasti Medic, control dichloromethane.

该结果表明,蓖麻叶片粗提物中含有引诱华北大黑鳃金龟的化学物质。(2)华北大黑鳃金龟成虫对8种化合物的嗅觉仪行为反应结果表明,无论对雌虫还是雄虫,肉桂醛、邻苯二甲酸二丁酯、苯酚、香草醛、苯甲醛的诱虫活性显著高于顺-3-己烯醇。

Three chiral phosphorus ligands were prepared using anisole as the startingat material.Their applications in the asymmetric hydroformylation and asymmetric conjug ed addition of diethylzinc to enones were investigated.

以苯甲醚为原料,合成了三种新的手性含磷配体,考察了三种配体在不对称氢甲酰化反应和ZnEt2对环己烯酮的不对称共轭加成反应中的应用。

The change of adiabatic temperature was small during coupling isomerization with aromatization of hexene-1,because both re.

提出了催化裂化汽油中己烯-1为代表的异构化和芳构化偶合反应的化学平衡模型。

Methods A survey was performed from May to October in 2007.Samples of pork,chicken and beef were collected from 8 markets and 5 supermarkets,and the residues of terramycin,aureomycin,tetracycline,stilboestrol and hydroxymethyl tertbutyladrenergics in the samples were detected by highperformance liquid chromatography.

方法于2007年5~10月,从哈尔滨市8个主要农贸市场和5个超市采集猪肉、鸡肉和牛肉各13份,采用高效液相色谱法测定土霉素、金霉素、四环素、己烯雌酚和盐酸克伦特罗残留情况。

Vigabatrin should not be taken with any other medication that may cause damage to vision such as chloroquine.

己烯酸不可与其他可能导致视觉损伤的药物一起使用。

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。

Advances in ethylene selective trimerization catalysts, especially composition, activity and cost of trimerization catalysts and their overall selectivity to 1-hexene.

对乙烯选择性三聚反应进行了论述,着重分析了催化剂的组成、活性、成本和1-己烯的总选择性,并展望了烯烃选择性齐聚反应的发展。

The synthesis of the unbridged metallocene (2, 4-Me〓Ind)〓ZrCl〓, which is not found in reference. Polymerization of ethylene or propylene with the metallocene has high activity. The resulted ethylene/1-hexene copolymer characteristic of uniform comonomer distribution. The catalyst possess commercial value

合成了未见文献报道的非桥联茂金属(2,4-Me〓Ind)〓ZrCl〓,用这种茂金属催化乙烯或丙烯聚合均达到了很高的催化效率,所得的乙烯/1-己烯共聚物表现出共单体分布高度无序的特点,具有工业应用前景

Plant volatiles as allyl isothiocyanate , Z-3-hexen-1-ol , and Z-3-hexenyl acetate can attract DBM effectively and they have enhanced effect on captures of sex lure.

同时研究了植物挥发物异硫氰酸丙烯酯、青叶醇(Z-3-hexen-1-ol)、乙酸顺-3-己烯酯(Z-3-hexenyl acetate)对小菜蛾的诱捕作用及对性信息素诱捕作用的影响。

Isoquinuclidines are structural elements of numerous alkaloids and can be prepared from the reaction of imines with cyclohexenone.

isoquinuclidines结构性因素众多生物碱可制备烯合成环己烯酮与亚胺反应。

第8/24页 首页 < ... 4 5 6 7 8 9 10 11 12 ... > 尾页
推荐网络例句

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特,那个是爱朗。

Articulate the aims, objectives and key aspects of a strategic business plan.

明确的宗旨,目标和重点战略业务计划。