查询词典 semi

The molecular structural parameters of indophenol and its derivatives were calculated by semi-empirical molecular orbital quantum chemical method.

以半经验分子轨道方法计算吲哚酚衍生物的分子结构参数。

The hydraulic angle semi automatic product line is mainly used in punching and printing procedures of equilateral and inequilateral angles with their side length of 160 mm and smaller ones; leaves out lineation on angles and alinement when punching one by one; it only needs to input such parameters as the positions of each hole and of printing; put the angles to be processed on the pincer of the cart; then, automatic consecutive punching can be realized.

本液压角钢半自动生产线主要用于边长160mm及以下各种等边不等边角钢的冲孔及打字工序，省掉在角钢上逐一划线及冲孔时逐一对线的作业，只须按一定程序将各孔位置需打字位置等参数输入计算机，将所需加工角钢装在小车夹钳上后，即可实现自动连续冲孔。

In regard of the problems on semi plane, when the calculation of its numerical value proceeds, the calculation accuracy will come under influence if the effectiveness of the infinite far place on the nearby sites are not considered.

对于半平面问题，在进行数值计算时，如果不考虑无限远处对近场的影响，则计算精度会受到一定的影响。

The structures of solid a phase of original billet, pierce block in the chamber of die-casting machine, ingate block in die-casting mould and specimens atdifferent locations in a semi-solid die casting component were observed.

实验观察了原始料坯，压铸机压室内的冲头料坯以及压铸模内的内浇口和半固态压铸零件中不同部位的固相α组织的形貌。

And then characterize the Jordan semi-triple derivable maps on the set of all linear bounded operators actingn on an infinite dimensional Hilbert space, then prove that it is additive and so is an inner derivation.

并且对作用在无限维Hilbert空间上的有界线性算子的全体上的拟三重Jordan可导映射进行了刻画，证明了它是一个内导子。

This paper reviewed the advances in honeybee breeding involving to estimate the numbers of subfamilies in a colony and analyze the genetic correlation among workers; guess the polyandry level of queens and identify the purity of a subspecies; build a linkage map and discriminate loci of quantitative traits; genotype and distinguish full sister from semi sisters; analyze the trend of sperm to inseminate an egg and so on by means of such molecular biotech as microsatellites DNA, mitochondria...

综述了应用微卫星 DNA技术、线粒体 DNA技术、随机扩增多态性 DNA、聚合酶链式反应和 DNA指纹等分子生物技术所进行的蜜蜂育种研究现状。其应用主要包括估计蜂群内亚家系的组成数目和分析工蜂间的遗传相关，推断蜂王的多雄水平和鉴定蜜蜂种性，构建连锁图和区别数量性状位点，鉴定基因型和区别全胞、半胞姐妹以及分析精子受精力的倾向性等

Semi-quantitative analysis results showed that expression level of BmDHR was different in 5 instar larvae and pupa of bivoltine race incubated under different environment conditions.

定时半定量分析显示，BmDHR基因表达水平在不同条件催青的二化性5龄幼虫、蛹体中存在差异。

America sees Pakistan's semi-autonomous tribal areas as a safe haven for insurgence.

美国认为巴基斯坦的半自治的部落地区对叛乱来说是避风港。

To general 0-1 Integer Programming Problem problem, we present a semi-roboticized DNA computing model.

对一般的0-1整数规划问题提出了一种半自动化的DNA计算模型。

A boundary integral formulation describing constant-αforce-free field with finite energycontent in the semi-infinite space above the sun was proposed(Yan,1995), this formulationcontains boundary field and its normal gradient under integral sign.

颜毅华1995年在太阳物理杂志上发表一文，就太阳磁场提出了一个具有有限能量的线性无力场模型，并对磁场给出了一个边界积分表示公式，该公式用边界上的已知磁场值和未知的磁场法向导数值来确定空间任意点的磁场值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。