查询词典 micro method

Project Content and Scale: To adopt a mixed production transmission device of micro glass powder such as axle bush, the anti-abuse movement capacity of gears can be raised 2-3 times, especially in the condition of high-temperature without lubricant .About 70% of the world automobile gear is made in the way of metal powder metallurgy. However, utilizing method of pure metal powder metallurgy may cause a fatal weakness, that is, because sinter oxide membrane will arise among crystal, this may lower its intensity.

项目内容和规模：采用微玻粉末混合生产的传动装置如轴瓦，齿轮其抗磨蚀能力提高2—3倍，特别在高温无润滑条件下优势更为明显，全世界70%的汽车齿轮是用金属粉末冶金为法制造的，但纯金属粉末冶金件有一个致命弱点，因颗粒间会产生烧结结氧化膜而降低强度。

The method is to draw incident power and reflection power of radar system through directional coupler and bridge circuit,and carries out pretreatment for gathered data with micro control unit,then calculates standing wave ratio.

文中提出一种驻波比在线测试方法，该方法通过定向耦合器和电桥电路将雷达系统的入射功率和反射功率提取出来，然后用单片机对所采集到的数据进行预处理，从而计算出驻波比。

The method was successfully applied to the determination of micro-amount chromium in the steel.

方法成功地应用于钢中微量铬的测定。

The invention provides a method for preparing a tube-shaped cathode of a direct methanol fuel cell, belonging to the fuel cell field and comprising the steps of: dispensing a single solution for gel injection molding at first, then adding a mesophase bituminous coal micro ball into the single solution and stirring evenly to obtain stable slurry, then casting the slurry into a die, preserving heat until the single solution reacts with a cross-linker completely to obtain a carbon-biscuit, after drying and sintering the biscuit in vacuum, preparing a diffusion layer and a catalyst layer on the surface by dipping process, and then coating polyester electrolyte membrane with a burette, rolling the carbon on a warm table to solidify the electrolyte membrane.

一种制备直接醇燃料电池管状阴极的方法，属于燃料电池领域。本发明首先配制凝胶注模用单体溶液，之后将中间相沥青炭微球加入到单体溶液中，搅拌均匀得到稳定的浆料，然后将浆料浇注到模具中，保温至单体与交联剂完全反应，得到炭管素坯，将素坯烘干、真空烧结后，在其表面采用浸渍工艺制备扩散层、催化剂层，然后采用滴管涂覆聚合物电解质膜，在加热台上对炭管进行滚压，使电解质膜固化。

The preparative technique of solid lubricant is cold-press sintering method.The micro-structure , friction surface, lubricant transfer film surface of base material was characterized by SEM; XRD was used to do phase analysis. The degrees of crystallinity of pure PTFE under the different conditions of water cooling, air cooling and furnace-varying cooling were made comparison by XRD. The thermal stability of pure PTFE and solid lubricant was analyzed by DSC-TG; The composition and valence state of elements in the surface of carbon fiber ,solid lubricant before and after friction test and lubricant transfer film were characterized by XPS; The frictional property of solid lubricant was tested by pin and disk test rig .

用SEM表征原料微观结构、摩擦表面及润滑转移膜表面形貌：用XRD进行原料物相分析，及比较水冷却、空气冷却、随炉冷却三种工艺条件下的纯聚四氟乙烯树脂的结晶度；用DSC-TG分析纯聚四氟乙烯树脂及固体润滑剂的热稳定性；用XPS表征碳纤维表面、固体润滑剂摩擦前后表面、润滑转移膜表面的元素组成、价态变化；用销盘式摩擦磨损试验机对固体润滑剂进行摩擦性能测试；采用专用的台架模拟试验机对固体润滑剂镶嵌轴承套与钢轴摩擦副间的摩擦磨损性能进行测定；用莱次偏光显微镜测试固体润滑剂的硬度；用材料试验机测试固体润滑剂的抗压强度等。

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。

Ten one underwater images of the micro actuator working at 42℃ have been used to illustrate the idea of measuring the tip deflection using optical focus method.

实验中，使用了10幅在42℃时微夹持器的水下工作图像来验证这种光学聚焦方法，结果证明使用光学聚焦方法可以测量出作为驱动器反馈输入的末端弯曲大小，实现对驱动器运动的精确控制。

The combinated utilization of ICH and ISH can greatly improve the detective efficiency of micro-metastasis in SLNs. The result detected by ISH arere, The ISH is more sensitive than the ICH method for the detection of micromeastasis.

通过免疫组化法和原位杂交法的联合使用，可明显提高乳腺癌SLN微转移的检出率，同时也证明原位杂交法是可靠的，比免疫组化更为敏感的技术。

In comparison with the volumetric Karl Fischer titration, coulometry is a micro-method.

与卡尔费休容量滴定法比较，库仑分析法是微量法。

Boehm titration, FT-IR, BET method and micro coulometry were involved in the analysis and characterization of surface functional groups, pore structure and chlorine content.

采用Boehm滴定和FT-IR方法对改性活性炭表面官能团进行表征并用BET方法分析其物理结构，使用微库仑仪分析产物有机氯含量。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。