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So the thickness of transporting metal piece should be raised up. If we choose copper as electricity transporting piece which has a low melting point, it is easy for melt copper to flow to inside tube.

在石墨管处使用低熔点的导电片铜时，熔融的铜易向石墨管内壁流动，将引起电流的持续下降，此处必须使用高熔点的金属如钼片予以隔绝。

With considering the heat flux distribution along the direction of the work piece thickness, a modified model of 3-D conical heat source mode is put forward. Though it can be used to calculate the weld width on both the top and the bottom surfaces of the work piece exactly, but for the location and locus of the melt line in the weld cross section, the calculating precision is lower.

考虑到等离子弧热源沿厚度方向分布，本文首先提出了改进的三维锥体热源模式，可以使等离子弧焊缝正面和背面尺寸与实测结果吻合，但焊缝横断面熔合线的走向与实际有较大差别。

Producing registration trademark is the mark piece of the brand of"Lin2 Hai3" series product, the main product is a rivet, stud bolt, Luo mother, machine bolt and different type mark piece etc.

生产注册商标为&林海&牌的标件系列产品，主要产品为铆钉、螺栓、螺母、机螺钉和异型标件等，产品规格已超过600种。

When string orchestra instructor finish analyzing music piece as establishing a blueprint, they would confirm it to the instructional quality of string orchestra or students' cognitive level of music piece.

弦乐团指导者在如同建构蓝图一般的乐曲分析工作完成后，便能够应证弦乐团的教学品质或团员对乐曲认知的程度。

This makes clear, short-term inside IT board piece although still be squelched by empty Fang, but with all possible means Zai already organized in the process that points to whereabouts strike back, beforehand Ji board piece will still maintain concussion to go situation.

这表明，短期内IT板块虽仍被空方压制，但多方在股指下落的过程中已组织反击，预计板块仍将维持震荡走势。

Adoption SMT craft the product's design, want to pass the main factor for of choice, sticking first slice dollar piece in the layout in the PCB, and SMT equipments request towards PCB waiting contents coming introducing designing the inside of one more piece, help the design from the process of certain product craft first can be more goodly design.

采用SMT工艺产品的设计，要先从确定产品工艺流程，再通过元器件的选择，贴片元器件在PCB中的布局，以及SMT设备对PCB的要求等内容来介绍设计中的要素，帮助设计者能更好地设计。

The hFCECs were cultured by sticking tissues piece method that the cornea were divided into the limbus and central tissue piece and digestive method,respectively.For digestive method,the digestive juice of 5mg/ml DispaseⅡ+0.25%trypsin was chosed.D/F12 with 10%fetal bovine serum and 100 U/ml penicillin and streptomycin were used in this study,the culture condition was 37℃and 5%CO2,and culture medium changed every three days2、Passage of hFCECsAfter more than 80%confluenced,cells from corneal limbus hFCECs were digested for 5-15min with different concentrations of trypsin/EDTA at 37℃,and then passaged at a ratio of 1:2.The cells were subcultured on empty plates,mouse 3T3 fibroblast feeder layer,fetal corneal stromal cell feeder l ayer or HTK feeder layer respectively.And D/F12, mouse 3T3 fibroblast conditioned medium,fetal corneal stromal cells conditioned medium or HTK conditioned medium with 10%FBS and 100 U/ml penicillin and streptomycin were used respectively as the culture medium.And the culture medium were changed every three days as well.

方法一、人胎儿角膜上皮原代和传代培养1、原代培养严格无菌操作获取人胎儿角膜片，采用组织块贴壁法、酶消化法原代培养人胎儿角膜上皮细胞。2、传代培养角膜缘部的细胞生长融合达80%以上，不同稀释浓度的胰酶/EDTA消化液消化传代分别接种于空板、小鼠3T3成纤维细胞饲养层、胎儿角膜基质细胞饲养层及HTK饲养层，培养液分别采用D/F12、小鼠3T3成纤维细胞条件培养液、胎儿角膜基质细胞条件培养液、HTK条件培养液。

Following last week's close call with a piece of space debris coming near the International Space Station, NASA is keeping an eye on another piece of debris which could come even closer to the station.

由于上周的最新消息说有一片太空垃圾正在接近国际空间站，NASA就一直在关注着另一块可能更加接近空间站的碎片。

The bung uses the stainless steel plate to make the ledger wall, the built-in aluminum silicate heat preservation, the fire door size extends 350mm, high 580mm, in spandrel wall body whole upward promotion type electrically operated heat preservation fire door, when fire doorclosure the entire fire door is a circular whole, the fire door sealing property strengthens, the turntable uses the stainless steel to make the 1600m/m turntable, with take load bearing work piece, the entire turntable does not divide the location as the plane, the operators may pile up the workpiecewillfully, because turntable every 40 minutes turn on lathe biography one week, when work the operators did not look nearly the turntable in the rotation, the fire door starts in addition in a big way, the operators may pass in and out the work piece willfully, but is not limited the time the turntableto be possible in 20-60The minute revolves one week-long time to modulate velocity willfully, no matter the fire door opens shuts, the turntable from the start work on uninterrupted revolving, not any necessity and the fire door open shut carry on the interconnection, needs to stop when revolves, onlyneed press down on the control electricity tank's pause button then, the fire door opens shuts, grasps voluntarily by the operators, presses installs nearby the fire door opens shuts button then. Transfers the bottom type resistance furnace's temperature control part to use the microcomputer automatic

炉盖采用不锈钢板做底板，内置硅酸铝保温，炉门尺寸宽350mm，高580mm，侧墙体中整体向上提升式电动保温炉门，炉门关闭时整个炉门为一个圆形整体，炉门密封性能增强，转盘采用不绣钢制成1600m/m转盘，用以承载工件之用，整个转盘为平面不分工位，操作人员可以任意堆放工件，由于转盘每40分钟旋传一周，工作时操作人员几乎看不到转盘在转动，加上炉门开的较大，操作人员可以任意进出工件，而不受时间限转盘可以在20—60分钟旋转一周的时间任意调速，不论炉门启闭、转盘从启动工作就不间断的旋转，没有任何必要与炉门启闭进行联锁，需要停止旋转时，只需按下控制电柜上的停止按钮即可，炉门的启闭，由操作人员自行掌握，按动安装在炉门边的启闭钮即可。

The crack that see much of most in several residence is that a layer maneuver a wall to hand over to connect place to have the stairs form the crack creation;Hand over to connect place or beam bottom and wall body to have the level crack the creation in the house noodles and the wall body;There is Shu under the first floor window sill toward the crack creation, the window sill of each floor two wall window way outside the layer four Cape existence inclined crack;Small scaled and hollow carve in the reinforced concrete pillar and the Mao a piece of fill a wall of mutually knot existence the Shu is to the crack;It is carve a piece periphery a creation crack.

随着国家保护耕地措施的实施，粘土砖的使用逐步得到控制，砼小型空心砌块在住宅工程中开始得到越来越多的应用期刊文章分类查询，尽在期刊图书馆在多层住宅中最常看到的裂缝是顶层纵横墙交接处有阶梯形裂缝产生；在屋面与墙体交接处或梁底与墙体间有水平裂缝产生；在底层窗台下有竖向裂缝产生，各个楼层的窗台两角和顶层外墙窗口四角处有斜裂缝存在；在钢筋混凝土柱和砼小型空心砌块填充墙的相结处有竖向裂缝存在；在砌块周边产生裂缝。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。