查询词典 heck

Heck, he probably flushed his favorite urinal in the building too, just to let it know he was back.

海克，他可能冲入他最喜爱的小便池建设太多，只是为了让它知道他回来。

What the heck? I could not have any worse luck, could I?

也不知道是怎么回事，我就是那么倒霉！

Iodobenzene, bromobenzene and their derivatives reacted smoothly with n-butyl acrylate or styrene under phosphine-free reaction conditions in the presence of palladium acetate and fluoroquinolones.

碘苯、溴苯和其它芳基卤衍生物与丙烯酸丁酯、苯乙烯等取代乙烯类化合物在钯和氟喹诺酮的催化下发生Heck反应。

My ex-husband found me on Facebook, and I said sure, what the heck, and friended him,' says Lisa Bakken, a 45-year-old business manager in Grand Lake, Colo., who was married for five years.

科罗拉多州45岁的商业经理莉莎·巴肯有过一段历时五年的婚姻。她说，我的前夫在Facebook上找到了我，我说没问题，管他呢，然后就加了他为好友。

Three new fulvene polymeric compounds, namely 1[Ag (L3]CH2C12 , 2[Ag2(L25(H2O)(S03CF3)2]0.5C6H6 and 3 Mn(L42(C2H5OH)2 , were synthesized, respectively. Compounds 1 and 2 reported herein represent the organometallic polymers based on both Ag-N and Ag-C coordination interactions. In the solid state, compound 3 are bound together by strong intermolecular N H-O hydrogen bonding system into a supramolecular one-dimensional H-bonded chain.B.

一、富烯有机配体的合成及与金属离子的反应化学利用富烯负离子的芳酰化反应和Heck-偶联反应合成了富烯配体L1-L18，并合成了三个基于富烯配体的金属有机配位聚合物1[Ag(L3]·CH_2Cl_2、2[Ag_2(L25(H_2O)(SO_3CF_3)_2]·0.5C_6H_6和氢键驱动的超分子聚集体3Mn(L4_2(C_2H_5OH)_2。

How the heck does the diary of a halfling hold the secret to world conquest?

到底一个半身人的日记怎么能记录征服世界的秘密？

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied

研究了该催化剂对碘代苯与丙烯酸乙酯反应的催化性能及循环使用性能。

The leaching investigation disclosed that the palladium leaching was caused by the interaction of iodobenzene with the metal Pd(0) on supported catalyst.

研究表明，Heck反应中钯的沥取是由碘苯与催化剂中Pd(0)相互作用所致。

Its catalytic performance for Heck arylation of acylic acid with iodobenzene shows that the catalyst has catalytic activity and regioselectivity for the synthesis of trans-phenylacrylic acid.

结果表明该催化剂具有较高的催化活性和立体选择性，可高转化率、高产率地合成反式苯丙烯酸；通过简单的过滤、溶剂洗涤回收催化剂，并能多次重复使用。

Palladium loadings of 1.39%, 3.0%, and 5.85% showed high activity and selectivity in the Heck coupling of iodobenzene with styrene (conversions of 76-84%, selectivities of 84-87%) and methyl acrylate (89-100% conversions and 100% selectivities).

钯全部1.39%、3.0%、和5.85%的表现高活性、选择性与苯乙烯啥米耦合碘(1976年至1984年改建成选择性84-87%)和甲基丙烯酸(89-100转换成选择性和100%)。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。