单型的

The tetraoxazoline ligands only afforded the-configuration whether monometallic and/or bimetallic palladium complexes were formed upon the complexing process. Using the chelation-induced axially chiral palladium complex as a catalyst, excellent catalytic activities and enantioselectivities in the Wacker- type cyclization of allylphenols with up to 99% ee were gained.

当它与钯离子配位后只得到了轴构型为S的单金属或双金属配合物，并将该配体应用于钯催化的邻烯丙基苯酚的Wacker-type环化反应中，获得了很好催化活性和高达99% ee。

The IV style pilus and the twitching motility mediated by the IV style pilus play an absolutely necessary role in the early stage of the pseudomonsa aeruginosa biofilm forming.

IV型菌毛及它所介导的蹭动在铜绿假单胞菌生物被膜形成的早期起着必不可少的作用。

A novel humidity sensor based on psychrometer difference theory using temperature sensor DS18B20 and single chip processor AT89C2051 is approached.In application of some agriculture base,it solves the problems mentioned above of former humidity sensor well.

基于干湿球测量湿度的原理，设计开发了一种以DS18B20单片温度传感器和单片机AT89C2051为核心的干湿球型湿度传感器，较好地解决了传统传感器在准确度、线性度以及使用寿命方面的问题。

The simulation results of the 4-pass amplifier system with a small aperture reverser showed 1ns square pulse（1ω） with 2.8kJ energy could be obtained by employing 14 Nd:glass disks.

对带小口径电光开关的四程放大系统构型各种基本排布的模拟表明，采用14张钕玻璃片即能达到单路输出2.8kJ（1ω，1.5ns的要求。

The isothermal amplification step depends not only on the replication of DNA polymerase, but also on the scission of nicking enzyme, which can generate a great number of aptamer.

我们用该方法对细胞色素P450酶系中的异喹胍羟化酶的单碱基多态性(CYP2D6*10)进行了检测，使突变型和野生型基因DNA得到了很好的区分。2。

The ship's main gun on the bow deck is the newly developed single-barrel 100mm gun developed by 713 Institute on the basis of the French Creusot-Loire T100C design.

在弓型甲板前的主炮是最近发展的单管100mm 炮，由 713所根据法国的 Creusot Loire T100C 设计发展而来。

The following experimental results are obtained:(1) Through the dissociation and ionization of sodium amide in a shock tube with a magic hole to provide sodium ions and electrons, the three-body recombination rate coefficient of sodium ion with electron is determined under the condition of argon atoms acting as the third body in the collision process:〓. The experimental temperature range is from 1400 to 2700K, extending the limitation of the flame method.

实验获得了如下结果：（1）在魔洞型单脉冲激波管上以氨基钠粉的高温分解和电离提供钠离子和电子，测定了以氩原子为碰撞第三体时钠离子与电子的三体复合速率系数〓，实验测量温度范围1400～2700K，拓宽了火焰方法测量结果的局限。

In order to take full advantage of a uniparental marker system, such as mtDNA, we constructed a sufficiently resolved mtDNA phylogeny based on the information provided by the sequences of the control region and the coding region of 6 Han geographic populations, as well as information from published sources.

在分析了我国6个不同省份的汉族地理人群mtDNA控制区和编码区序列信息后，结合报道的全序列信息，我们建立了我国人群中mtDNA单倍型类群的系统发育关系。

Yearly changing soil water content of chestnut under different mode of tillage and cultivation shows "single-peak" curves.

从板栗土壤含水量的年变化来看，不同的耕作方式下的土壤含水量其变化规律基本是"单峰型"。

Dendrogram divided 37 haplotypes into two major clusters, capra aegagrus clustered into lineage A, while capra falconeri clustered into other lineage. Lineage A is the predominance lineage of the 7 goat populations, while lineage B has a relatively small proportion.

系统发育树将37种单倍型划分为两个较大的分支，角猾羊1条序列聚入A分支，而捻角山羊则自成1支。A分支为7个群体的优势类型，B分支的影响相对较小。

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。