中杆

This paper validated the centrode of six-bar mechanism was similar to circle center curve for different bending radius of the femur, and introduced the gait analysis of knee joint of six-bar mechanism in normal movement to provide theoretical design foundation for developing a new knee joint.

验证了六杆机构的瞬心线与股骨骼不同的弯曲半径圆心线轨迹相似，阐述了机械六杆机构膝关节在正常运动中的步态分析，为研制新型膝关节提供了一定的理论设计基础。

This paper introduces an approach that the CoCreate OneSpace Modeling software is used to precisely construct the model of the 135 three screw pump .

介绍了一种在CoCreate OneSpace Modeling设计环境下精确创建135型三螺杆泵实体模型的方法，在建模过程中通过运用动态模型技术，从而缩短了三螺杆泵的研发周期，提高了产品的精确度。

Triple-screw extrusive industrial equipment is a new technology coming out in recent years. Although its extrusive characteristics such as energy-consuming, disgregation, exhausting and so on have been tested very well, the flow pattern, blending and mixing mechanisms and the shearing effect of polymer melt in triple-screw are waiting for our in-depth researches.

由于三螺杆挤出工业装备是这两年刚刚问世的新技术，对其挤出特性，如能耗、分散、排气等作了很好的研究测试，然而，由于是一项问世不久的新技术，对三螺杆挤出机中物料的流动形态、混合混炼机理和剪切作用等方面有待深入研究。

The goal of this experiment was to study the changes of water,sugar,crude protein and crude fiber contents of corn stalk within the different time after corn ear was harvested and to determine the optimum time to ensile corn stalk.

对去果穗后不同时期的玉米秸杆中的水分、糖分，粗纤维、粗蛋白质含量的变化进行分析测定，得出其变化规律，从而指导农户适时青贮玉米秸杆。

Aim at twelve-bar kinematic chain with single joints,it combines topological graphs analysis with structure principle of mechanisms and method of innovative synthesis of epicyclic gear trains.

在将单铰运动链用于周转轮系创新综合方法的过程中，针对十二杆单铰运动链，将拓扑图分析和周转轮系创新综合的结构学原理及方法结合，得到了由十二杆单铰运动链生成的新型周转轮系的结构原型。

An integral ampule (50) is fillable by manipulation of a thrust rod/shaft which extends longitudinally through the device and is able to be grasped by a user.

通过操作一推杆/杆轴，可对一整体安瓿(50)进行充注，其中的杆轴在纵向上从装置中伸出，并可被用户夹持住。

Six thermophilic bacteria were isolated and purified from a hot spring in Chang-bai mountains,One of those morphology has been studied detailedly,it's growth course has been observed,we find it's morphology is very peculiar,at different growth phase,it's morphology changed very evidence,in the logarithmic growth phase,the cell is rod, majority cells are single existence,minority are geminous or a long discontinuous chain,in the middle growth phase,rod and globe are concomitant,in the late stationary growth phase, the cells change to globe.

从长白山中一个温泉里面分离，纯化出来六株高温菌，我们对于其中一株CW2的个体形态做了详细的研究，对它的生长过程连续监测，发现它的个体形态比较特别，在不同的生长阶段，它的个体形态变化非常明显。菌体在对数生长期初期是杆状，大多数单生，少数对生或者形成间断的长链，在中期就是球形和杆形共存，在对数生长期的末期基本上是球形。

The recombi- nant hepatitis B virus polymerase expressed in cells infected by recombinant baculovirus was determined by SDS-PAGE, The hepatitis B virus polymerase was expressed in insect cells at high level.

结论利用杆状病毒表达系统，构建的重组杆状病毒在昆虫细胞中高效表达乙型肝炎病毒多聚酶，为进一步的乙型肝炎病毒多聚酶的体外功能研究奠定了基础。

A new material hybrid pennisetum as raw material for the wood-plastic composite material were prepared and a modifier was used to improve the flow quality of pennisetum straw powder.

以杂交狼尾草为原料制备木塑复合材料，采用木粉改性剂对狼尾草秸杆粉进行部分降解实现狼尾草秸杆粉的改性，改善木塑复合材料制备中材料的流动特性。

But there are more and more great engineering accidents because of ruinate pre-stress anchor rods, so it is increasingly important and exigent to do distributed measuring and long-term working monitoring for pre-stress anchor rods.

在桥梁、隧道、边坡、吊车梁等结构工程领域中，使用日益广泛。但因预应力锚杆、锚索失事带来的重大工程事故也随之增加，预应力锚索、锚杆应力的分布测量及长期运行监测问题，已日益重要和迫切。

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