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An acceptable DNA fingerprint was constructed with 2 primers that could be used to identify these Au-ricularia auricula cultivars, all cultivars were distinguished from each other and showed genetic diversity.

用NTSYS软件进行聚类分析，可将14个供试菌株分为2个类群，类群Ⅰ包括11个菌株，且其可进一步划分为3个亚类；类群Ⅱ包括3个菌株；其中&981&和丰收1号的遗传距离最近。

The formation of Au-Sn-Ni IMC at solder joint degrades ball shear strength, however, this phenomenon can not be observed in lead free system.

分析表明有两种可能的原因使得无铅产品在焊点附近不能生成金－锡－镍合金。

This paper gives a brief introduction of research work on the fabrication measurement of rotation accuracy of machine tool main spindles. The following problems have been studied, stability of a new type base circle generator, mechanical method of eliminating eccentricities, precision fast eccentricity-regulating equipment, program of autosof tware for checking delaytime number for improving sampling accuracy and its au...

本文通过试验研究，讨论机床主轴回转精度工业测试的一些主要问题：新型基圆发生器的稳定性；机械消偏法及快速高精度调偏心装置；提高采样精度的自动软件检测延时数程序及自动定标技术；干扰的产生原因及消除方法；主铀的工业测试规范。

Based on the analysis of deposit genetic type in the metallogenic belt,the metallogenic series has been put forward,that is volcanic-subvolcanic hydrothermal and porphyry type Au-Cu and Mo-Pb-Zn-Ag metallogenic series .

在分析成矿带内不同矿床成因类型的基础上，建立了该成矿带的成矿系列：火山、次火山热液-斑岩型金铜及钼铅锌银成矿系列。

Members of the US Coast Guard patrol through the devastated harbour of Port-au-Prince, Haiti.

美国海岸警卫队成员巡逻时经过被破坏的太子港港口，海地。

Comb-shaped Au electrodes are prepared on ceramic substrate firstly, and then the one dimensional nanostructure is synthesised by hydrothermal method in order to get ZnO UV detector.

摘 要：在陶瓷衬底上制作叉指状金电极，采用低温水热法生长一维纳米结构氧化锌，制得氧化锌紫外光电导型探测器。

Comb-shaped Au electrodes are prepared on ceramic substrate firstly, and then the one dimensional nanostructure is synthesised by hydrothermal method in order to get ZnO UV detector.

在陶瓷衬底上制作叉指状金电极，采用低温水热法生长一维纳米结构氧化锌，制得氧化锌紫外光电导型探测器。

A detailed study has been made on comprehensive recovery of Au、Ag、Cu and elemental sulfur from a copper-bearing gold concentrate.

对铜金精矿热压酸浸-萃取-电积提取铜、浸铜渣氰化提取金银和煤油溶解提取元素硫的综合回收工艺进行了研究。

The influence of background absorption on Co 240.7 nm could be completely eliminated when Au 242.8 nm was used as a background correction line,and the results of the determination of micro-amount Co in iron and high-alloy steel with standard addition method were satisfactory.

火焰原子吸收法测定钴是常用方法［1，2］，但需用不含钴或已知钴含量的纯铁做工作曲线，在有些样品中钴含量很低，很难找到合适的纯铁，用基准纯铁价格又很贵；而对于高温合金，合金元素含量很高，很难使标准曲线与样品基体一致。

By means of scanning electron microscope and EDS test, the factors which have a great influence on the ultrasonic wire bonding between the CdZnTe electrode and the Au down-lead are studied, such as surface treatment technology, electrode thickness of CZT wafer and ultrasonic welding parameters.

采用扫描电镜及EDS测试研究了高电阻CdZnTe金电极与外引线的超声焊接工艺，探讨了CdZnTe表面处理工艺、接触电极厚度及焊接参数对引线超声焊接质量的影响规律。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。