适合性

More generally, the concern for efficiency must be balanced with other goals such as extendibility and reusability; extreme optimizations may make the software so specialized as to be unfit for change and reuse.

更通常的，效率观点一定要与其它的目标达到平衡，像是扩充性和复用性。极端的优化可能使软件特殊化，不适合变化和复用。

Src l was an acidic cytolysin, which was reported forthe first time. The cDNA encoding the mature Src l was cloned into non-fusion expression vectorpBV220 and expressed successfully in E.coli DH5α in inclusion body. After washing anddenaturing-renaturing, the recombinant Src l protein was purified by Q Sepharose FastFlow ion exchange chromatograph and Phenyl Sepharose hydrophobic interactionchromatograph.

首先构建了Src I基因的非融合蛋白表达质粒pBV220-Src I，并成功地在原核细胞E.coli进行了重组表达，筛选出稳定表达的工程菌株DH5α，摸索了稳定表达的条件，摸索了包涵体的洗涤、变性和复性条件，摸索出了复性蛋白Src I的纯化工艺，纯化过程简单，经QSepharose Fast Flow阴离子交换层析和Phenyl Sepharose疏水层析两步纯化，就可获得了高纯度的重组蛋白样品(纯度达99％以上)，该纯化方法适合重组蛋白的大量纯化，为Src I的性质、结构和功能研究奠定了良好的基础。

In this study, for the complicated distribution of dose rate in time and space, considering the repair of the sub-death cells, the radionuclide decay law and exponential proliferation of clonogenic cells, the dose-response relationship is built based on the known linear-quadratic model, and the concept of tumor control probability is introduced into the therapy method. Furthermore, the concepts about "curable stage" and "critical time point" and the methods calculating the amount of radionuclide injected into tumor in clinical are proposed.

本课题针对这一方法中靶区复杂的剂量率时-空分布特点，以公认的"线性-二次模型"理论为基础，同时考虑亚致死性细胞修复、核素衰变规律和克隆原性细胞指数增殖，建立了适合这一治疗方法的具有时-空分布特点的剂量效应关系，并进一步将肿瘤控制概率的概念引入这一方法中，提出了"治愈期"及"临界时间点"的概念以及由此指导临床确定药物注射剂量的方法。

The development direction changed direction according to the four-wheeler, the domestic and international company changes direction organization to control to the four-wheeler currently main adoption of is a numeral control, this is owing to a lot of advantages of numerical control:the procedure turn a control, the controller carries on the processing of operation and numerical information according to the control regulation designed, mainly passing procedure to carry out, if change control regulation need to change software, but need not change the hardware structure of system: control the accuracy is high, in the emulation the control the system, the accuracy of the controller from the accuracy of the component but settle, numerical controller accuracy from word long decision;Stability good;The software replies to use, needing a hardware environment of using the homology realization in the emulation the system, the numerical controller is a procedure control, the sub- procedure mold piece which need to be designed and write to carry out its model, can immediately carry out several links of functions expediently.

目前各个厂家大多采用的是PLC、单片机应用于四轮转向控制器中，功能基本能够实现，相比较之下，信号处理能力较强的数字信号处理器各方面均性能优于以上三种处理器。DSP是新世纪数字化革命的核心。它是一种独特的微处理器，具有可编程性，且实时运行速度远远超过通用微处理器。强大的数据处理能力和高速的运行速度，是DSP最值得称道的两大特色。DSP芯片是一种特别适合进行数字信号处理的微处理器。它强调运算处理的实时性，因此除了具备普通微处理器所强调的高速运算和控制功能外，主要针对实时数字信号处理，在处理器结构、指令系统和数据流程上做了很大的改动。它具有灵活、精确、可靠性好、体积小、功耗低和易于大规模集成等优点。

Broad working load enclothes ● to help an user realize ISO9000 ● to use ● diversity and flexibility ● easily portable the working load that suits you with consistence and funds are estimated the 5500A of Fu Luke company of calibration program level tastes calibrator prolifically, can calibration number type and imitate type are multi-purpose watch, thermometer , hand-held dynamometer, data is collected implement, voltaic clamp, each sort analyzer of harmonic of calibrator of watch of recorder, face plate, process, electric power and a lot of other are similar.

宽广的工作负荷笼盖●帮助用户实现ISO9000 ●易于利用●多样性和灵敏性●便携式和坚固性适合您的工作负荷及经费预算的校准方案尺度的福禄克公司5500A多产物校准器，能够校准数字式和模拟式多用表、温度计、手持式功率表、数据采集器、电流钳、各类类型的记实仪、面板表、过程校准器、电力谐波分析仪以及良多其它近似的测量工具。

The main results of this research are as follows:(1) A parallel algorithm for solving dense matrix linear equations on distributed-memory multi-computer is presented. Convergent velocity of this algorithm is better than parallel Jacobi method"s, and parallelism is better than Gauss-Seidel method"s. According to theoretical analysis, convergent conditions are given. Moreover numerical experiments indicate that results agree with theory.

主要完成了如下研究工作：(1)提出了一种求解系数矩阵为稠密矩阵的线性方程组的适合于MIMD分布式存储的并行迭代算法，该算法设计上兼取了Jacobi算法并行性好的优点和Gauss-Seidel算法收敛速度快的长处，并且在理论上给出了该算法成立的收敛性条件，并通过数值计算验证了此算法结果与理论相符合。

The microstructure of the scaffold was observed under photomicroscope and scanning electron microscopy,and the in vitro degradation time,permeability,tensile-strength,porosity,shrinka...

实验结果显示：支架中的成纤维细胞、脂肪细胞及组织纤维间质完全去除，胶原纤维得到了松散，并维持其原有的天然三维网络多孔结构；该材料透水汽性处于3000g.m-2.d-1左右，适合创面恢复；体外降解时间处于25～50h之间，并可根据需要调整工艺条件控制降解时间；拉伸强度介于10.20～11.50MPa之间，具有良好的拉伸强度；收缩温度介于70～85℃之间。上述结果表明该材料已解决了猪脱细胞真皮基质渗透性差、降解速度过慢的缺点，并且其透气性和拉伸强度高、降解性优良且可控，符合组织工程支架材料的要求。

Considering the properties of hydrate formation, the designing principle of drilling fluid was provided. Based on this, a new polyalcohol drilling fluid for oceanic hydrate formations was formulated. The performance of this drilling fluid was evaluated by shale hydration inhibiting test, low-temperature rheological property test, and gas hydrate formation inhibiting experiment.

针对海底天然气水合物地层及其钻井的特性，给出了钻进海底天然气水合物地层时钻井液体系的设计原则，根据此原则在充分考虑现有常用聚合醇钻井液体系特点的基础上，设计了一种适合海底天然气水合物地层钻井的新型聚合醇钻井液，并对其页岩水化抑制性、低温流变性和水合物生成抑制性进行了评价。

This type of filter is used where a relatively dry cake discharged is desired. It should not be used where there are toxic fumes or biohazards.

这种过滤机适合于相对的干性滤饼，能被清除，不适合有毒气和生物危害物的滤饼。

Our study is adopting the method of physical and chemical, with the flour of glutinous wheat line, glutinous wheat 7385, and common winter wheat variety, physical parameter for viscoelasticity, glutenin, starch content, and other compositions have been determined in the present research. In addition, blending flours for different purpose have been carried out in different proportion, physical indicators of blending flour have been investigated and the formula blending flour technical developed.

针对冬性糯质小麦新品系（临糯7385）及普通冬小麦新品种，通过物理、化学测定的方法，测定其麦粉的黏弹性物理参数、谷蛋白、淀粉含量及确切组分；按不同比例配方，配制适合不同加工用途的配粉，研究适合不同加工用途的配粉物理指标；最终形成专用粉配粉配方技术。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。