导孔

That includes the installation of windlasses, winches, bollards, masts, deck cranes, vent pipes and different kinds of rigging.

包括以下部件的安装：锚机，绞车，带缆桩，导缆孔，桅杆，甲板起重机，通风口和各种索具。

Blanking punch contents is a derivative sales, and guarantee the workpiece and the shape of the holes in the relative position accurately, improve processing accuracy.

落料凸模内装有导正销，保证了工件上孔和外形的相对位置准确，提高了加工精度。

This Paper introduce the program of demolishing a thin-wall round water pool by fuse blasting.

介绍了一种在复杂环境下用导爆索拆除一薄壁蓄水池的爆破方案设计，包括药孔布置、装药量确定以及安全防护

Under different structural parameters of exit tube,including the inner diameter and the structure shape,the separation efficiency and pressure drop of the guide vane cyclone tube were measured by comparative experiments and the flow field in the guide vane cyclone tube was measured by an intelligent five-hole pilot tube.

通过对比实验测定了不同排气结构下导叶式旋风管的分离效率及压降，同时用智能型五孔球探针测试仪测定了不同排气结构的旋风管内流场分布，结合性能实验与流场测量的结果，研究了排气芯管内径及其结构型式对分离性能的影响，为旋风管结构优化和开发及其分离机理的研究提供了一定的实验基础。

The results show that the best sintering process for SiC preform is 1100℃, 8 h in vacuum, by which the open porosity is 99.6% and the preform strength reaches 0.57MPa. The thermo-physical characteristics of 57% SiC/Al composites produced by this technique are as follows: the relative density is 98.7%; the thermal expansion coefficient is 7.5×10^(-6)℃^(-1) which almost matches those of GaAs and BeO; the thermal conductivity is 1.65×10^5W/K, which corresponds to that of Cu(15%)/W and decuples that of Kovar alloy; the density is close to that of aluminum and less than that of one fifth of Cu/W.

结果表明：经1100℃真空烧结8h的SiC预成形坯开孔率可以达到99.6%，抗压强度为0.57MPa；所制备的57%SiC/Al复合材料相对密度为98.7%，热膨胀系数为7.5×10^(-6)℃^(-1)，与GaAs、BeO的接近，热导率为1.65×10^5W/K，与传统Cu(l5%)/W相当，是柯伐合金的10倍，在密度上接近Al，不到Cu/W的1/5。

The results show that the best sintering process for SiC preform is 1100℃, 8 h in vacuum, by which the open porosity is 99.6% and the preform strength reaches 0.57 MPa. The thermo-physical characteristics of 57% SiCp/Al composites produced by this technique are as follows: the relative density is 98.7%; the thermal expansion coefficient is 7.5×10-6 ℃-1 which almost matches those of GaAs and BeO; the thermal conductivity is 1.65×105 W/K, which corresponds to that of Cu(15%)/W and decuples that of Kovar alloy; the density is close to that of aluminum and less than that of one fifth of Cu/W.

结果表明：经1 100 ℃真空烧结8 h的SiC预成形坯开孔率可以达到99.6%，抗压强度为0.57 MPa；所制备的57％SiCp/Al复合材料相对密度为98.7％，热膨胀系数为7.5×10-6 ℃-1，与GaAs、 BeO的接近，热导率为1.65×105 W/K，与传统Cu(15%)/W相当，是柯伐合金的10倍，在密度上接近Al，不到Cu/W的1/5。

The number of window-like holes and dells of neuron cell membrane induced by salvianolic acid B increased obviously, this appearance may be relevant to strengthening the effect of substance exchange between exterior and interior cell, and promoting the signal transduction of intra-cellular.

丹酚酸B诱导神经干细胞分化的神经元细胞膜的窗孔样结构与小凹明显增多，可能与增强细胞内外物质交换功能和促进细胞内信号转导有关。

In recent years,small G proteins have become an intensively studied group of regulatory GTP hydrolyses involved in cell signaling, which take part in numerous and diverse cellular processes, such as gene expression, cytoskeletal reorganization ,microtubule organization, and vesicular and nuclear transport, functioning as molecular switches.

另外，小G蛋白的调控途径近年来己经成为人们研究细胞信号转导过程的热点，它在基因表达、细胞骨架重组装、微管的形成以及囊泡和核孔的运输机制中，起着一个分子开关的作用。

Cutting Products has the main blade blade, paper cutter sub-divided into paper and single-pole, grinding wheel, slotting machine knives, veneer cutting blade, cutting blade on three sides, rotating cutting knife, cross-cutting knives, cylindrical toilet paper cutter, sub - knife-cut from top to bottom, leather upper and lower knives, leather cutter, cutting knife, cut circle engraved blade, cut pipe cutter, bowl blade, Introduction paper, cutting knives, meat slicing knives, vegetable knife slices, ham thin knife, round plate rolling scissors, slitting Slitter knives, cutting blade, bearing knives, knife lap, multi-blade knife ring, butterfly knives, flower asbestos knives, copper foil cutting knife, foil cutter, cutting knife PCB , PP cutting knife, cut the foot blades, blade shearing machine, rolling blade, steel cutting knives, knives broken scrap, plastics crushing knives, pelletizing knives, pelletizing hob, hob pelletizing alloys, rubber blade, closure at the end of knife, bag machine knives, even the volume BAG blade, plywood blade, woodworking planer knives, slicer knives, punching machine blade, scissors fly films, scraper, blade coating,±Series, tungsten steel blades, tungsten steel round blade, cemented carbide paper knife, three holes blade, chemical fiber blades,knives, profile knives, cutting knives, such as cloth-like, non-standard blade can be customized.

主要刀片产品有切纸刀片，分纸刀，分纸单刀及砂轮，开槽机刀，单板切纸刀片，三面切纸刀片，旋转切纸刀，横切刀，圆筒卫生纸切刀，分切上下刀，皮革上下刀，皮革裁刀，切光刀，切刻圆刀片，切管刀，碗刀片，导纸片，模切刀，羊肉切片刀，蔬菜切片刀，火腿薄切刀，圆盘滚剪刀，纵剪分条刀，切条刀片，轴承刀，光刀圈，多刃刀圈，蝶形刀，石棉瓦花刀，铜箔裁切刀，铝箔切刀，线路板裁切刀，PP裁切刀，切脚机刀片，剪板机刀片，轧钢刀片，钢筋剪断刀，废钢破碎刀，塑料粉碎刀，切粒刀，切粒滚刀，合金切粒滚刀，橡胶刀片，底封刀，制袋机刀，连卷袋刀片，胶合板刀片，木工刨刀，切片机刀，冲剪机刀片，飞剪刀片，刮刀，涂布刮刀，薄刀系列，钨钢薄刀片，钨钢圆刀片，超硬合金裁纸刀，三孔刀片，化纤刀片，切布刀，齿形刀，样布裁切刀等，非标刀片可定制。

In this paper, a simple, accurate and intuitionistic formula and method for calculating and analyzing the I-V characteristics of a pn junction is deduced. The method is used to calculate and analyze the I-V and RD-V characteristics of two typical HgCdTe loophole junctions. Some important parameters which reflect the characteristics of a diode, such as surface Ohm leakage conductance and the distribution of the ideal factor n with voltage are obtained.

本文推导了一种可简便、准确、直观计算和分析pn结I-V特性的公式和方法，并应用该方法对两类典型HgCdTe环孔pn结的I-V、RD-V特性进行了计算和拟合；得到了表面欧姆漏电导、二极管理想因子n随电压的分布等反映二极管结特性的重要参数。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐