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While Xu's covalence new concept on atom and molecular fragment are applied to describe bonding characters for these studied systems.

含过渡金属体系的电子结构、化学键和磁学性质的研究是当今无机化学领域里活跃的研究方向之一。

Using DFT combined with the orbital localized approach and Xu's covalence new concepts on a molecular fragment, it is concluded that the covalence of copper atom is 7 in 〓-type clusters and in inorganic fullerene-like molecule 〓, and there are Cu-Cu single bonds in 〓-type clusters.

应用DFT结合轨道定域化的方法和分子片共价的新概念，提出了在〓类簇合物和无机类富勒烯分子〓〓中Cu原子的共价为7，以及化合物中Cu-Cu单键的存在；解释了通常认为这类化合物中Cu-Cu之间没有成键作用而又不能回答较短的Cu-Cu键长的问题。

Third, Construction of the physical map covering the target gene using large fragment libraries.

只要目的基因的表型可以鉴定，并能通过遗传连锁分析将它的位置定位在染色体上距离很近的两个分子标记之间，它可用于任何基因的克隆。

The energy crackled about him, and he fed it into the Runestone fragment directly before him.

这股能量充满了全身，然后他将其注入了正前方的符文石上。

Eight growing New Zealand albino rabbits, each right orbital bone fragment which contained a viscerocranial suture was removed, and PTFE (expanded polytetrafluorethylene) was applied as a substitute for the orbital bone defect in four rabbits, six months later, each skull was macerated for cephalometry and radiological craniometry and histological examination.

本实验收集八只纽西兰白兔，切除含颅面骨缝的右下眼窝骨，用PTFE填补其中四只白兔的骨骼缺损处，六个月后将其牺牲做颅颜骨测量及X光颅骨计量。

In order to develop ELISA method for measuring the degradation fragment of fibronectin (MAD2),hybridoma technique was used to obtain the monoclonal antibodyIgG1 against MAD2 without cross-reaction with fibronectin.The sera from 277 patients with hepatocellular carcinoma,76 with metastatic hepatic carcinoma,98 with alimentary canal carcinoma and 156 with chronic liver disease and 48 healthy subjects were assayed with ELISA method using this antibody.

应用杂交瘤技术制备了纤维连接蛋白降解片段MAD2的单克隆抗体；建立了MAD2检测的双抗体夹心ELISA法；对227例肝细胞癌、76例肝转移癌、98例消化道癌、156例慢性肝病患者和48例健康人体血浆MAD2含量进行测定。

Appressoria were latent in intercellular cleft and were latent until banana fruit were harvested.The development process of conidia of Colletotrichum musae on fruit was not distinct from foliage and stalk.Two pairs of PCR primers were designed according to the two especial fragment (357bp and 206bp) of Colletotrichum musae. Banana tissue culture seedling genomic DNA, banana anthracnose pathogen genomic DNA, mango anthracnose pathogen genomic DNA, rubber anthracnose pathogen genomic DNA,watermelon anthracnose pathogen genomic DNA, banana crown rot pathogen genomic DNA, stylo anthracnose pathogen genomic DNA, watermelon Fusarium wilt pathogen genomic DNA were extracted using SDS method.

根据香蕉炭疽菌的两个特异片段(分别为357bp和206bp)，设计两对引物：采用SDS法分别提取了香蕉组培苗基因组DNA、香蕉果实炭疽菌弱致病株Z_1基因组DNA、香蕉果实炭疽菌强致病株Z_4基因组DNA、芒果炭疽菌基因组DNA、橡胶炭疽菌基因组DNA、柱花草炭疽菌基因组DNA、西瓜炭疽菌基因组DNA、香蕉冠腐病菌基因组DNA、西瓜枯萎病菌基因组DNA；以上述基因组DNA为模板对特异片段进行PCR验证，证明357bp的片段为Colletotrichum musaes所特有，可以用此片段进行香蕉果实炭疽病的分子检测试验，。

Since the completion of Crum's "Catalogue," the British Museum has acquired a new fragment, Or.

自完成crum的"目录"，大英博物馆已获得了新的片段，或。6948， Acts， vii， 14-28， ix， 28-39。

What′s left is then pressed into a ′sugar cube′ weighing about 850 kilograms and after that fragment ed.

第三步，将被留下的部件压入大约 850 公斤重的"糖罐"，之后进行拆分。

In addition, the concentration of target DNA fragment in the PCR mix before thermal cycling can be obtained from the time recorded history of the fluorescence intensity by integrating thermal cycler and fluorimeter.

实现此技术的仪器，主要需结合温控机构与萤光检测仪，在温控过程进行 DNA 体外增生，同时监控过程中 DNA 嵌合萤光的多寡，进行 DNA 分析。

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。