配基

Thus. Treatment of CR1R2=C=CH2 (R1 = R2 = Me; R1 = H, R2 = n-Bu; R2 = Ph; R2 = cyclohexyl; R2 = cyclopentyl, R2 = C6H5O, R2 = 2-IC6H4O, R2 = 4-IC6H4O) with bisdiborn in the presence of Pd2 (5 mol %) and 3-iodo-2-methyl-2-cyclohexen-1-one (5 mol %) in toluene at 80 oC gave products bearing both vinylic and allylic boron moieties in good to excellent yields.

但我们发现可以使用Pd金属错合物与有机碘化物共同催化下的系统，来进行此种加成反应。溶剂的选择以甲苯为最佳，Pd错合物以没有强配位基存在为最好的选择。

The compound biological material replacing skull from human or animal which was repeatedly treated by decalcification, defatting and antirejection, plus binder which was extracted from Bletilla striata and corresponding biological line was made.

以经过反复脱钙、脱脂、抗排异处理的人/动物脱钙骨为基质配以白芨提取粘合剂和相应生物性衬垫、隔膜制成复合性生物颅骨替代材料。

Relatively, the intercalation of Λ-〓 into minor groove is more preferable than other intercalating styles.

因此，这些错配碱基对的空间结构和静电势分布也必然影响识别结果。

Moreover,the selectivity of CAs-MB was related to the position and the type of mismatched base.

另外，分子信标的识别能力还与错配碱基的类型及在分子信标中的位点有关。

The postion of mismatched bases at 3' end of primers had little effect on specificity of PCR.

错配碱基在引物3′端的位置对PCR的特异性影响不大。

In order to overcome the first function\'s sensitivities to the mismatches, a method of increasing the number of elements is used.

为了克服第一类代价函数对失配的敏感性，文中提出了增加基元的定位方法。

On the basis of this view we elucidate that the structure units,which dominate the crystal morphology,are anionic coordination polyhedrons.

由此进一步阐明了组成晶体结晶形态的结构基元是负离子配位多面体。

The orientation adhesion of nanocrystallites and the dendritic crystals formed by connection of crystallites were discussed by the growth unit model of anionic coordination polyhedrons.

用负离子配位多面体生长基元理论解释了ZnS晶体的这种生长现象，一定的温度和压力是形成枝蔓晶结构的必要条件。

The key factors of encapsulation:solvent,reac-tive temperature,pH value of the solution and reactive time,were determined by the growth unit theory of coordination polyhedrons.

通过配位多面体生长基元理论确定包覆的关键因素是溶剂、反应温度、溶液pH及反应时间，探讨了这些参数对包覆后发光粉耐水性能的影响。

The fast setting adhesive(HT-88)for GFRP was compounded from the prepolymer,low molecular polyamide,phenol aldehyde epoxy resin,bisphenol F type epoxy resin,liquid carboxylated butadieneacrylonitrile rubber,promotor,diluent and fillers.Its pot life,gelling time (at 60 ℃),glass transition temperature and shearing strength for bonding the unsaturated polyester GF...

该预聚物与低分子聚酰胺、酚醛环氧树脂、双酚F环氧树脂、液体羧基丁腈橡胶、促进剂、稀释剂、填料等复配的快固玻璃钢胶粘剂(HT - 88)，在室温下的适用期为 30～ 4 0min ，6 0℃的凝胶时间为 10min ，玻璃化温度 16 0℃，粘接不饱和聚酯玻璃钢的剪切强度为 5～ 7MPa。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。