标准测试

Study the bioactivity of the n-HA/PA66 composite and the effects it would be to body's metabolism of calcium and phosphorus ion in vivo.(3) Study the osteo-conductivity and the ability to repair bone defect of the porous n-HA/PA66 composite and the feasibility use it as the scaffold of bone tissue engineering. Objects and Methods as follows: 1.To evaluate the biocompatability of nano-hydroxyapatite crystals and polyamide composite (n-HA/PA66) with the L929 cells.To proceed the morphological observation and take pictures of L929 cells after 1d,2d,4d,and 7d of co-cultured with extract of n-HA/PA66 ,and direct contact with n-HA/PA66.To determine light absorbtion value of every hole under 500 nm with enzyme linked immunity instrument after 1 d,2 d,4 d,and 7 d of contact of n-HA/PA66 extract with L929 cells,and direct contact with n-HA/PA66.In the meanwhile calculate the relative multiplication rate of cells,and evaluate them by six degree tests for cytotoxicity. To investigate the acute and chronic toxic reaction on the whole body induced by the new nano-hydroapatite crystals and polyamide composite(n-HA/PA66)after implanting in vivo and its effects on partial constitution of animal organs after implanting in vivo,and evaluate the potential and degree of subcuticular stimulation reaction.

本实验主要由以下三部分组成：一、n-HA/PA66 复合材料在动物体内、体外的生物相容性及生物安全性评价二、n-HA/PA66 复合材料植入动物体内的生物活性及近期对机体钙、磷代谢影响的实验研究三、网孔 n-HA/PA66 复合材料作为支架修复兔桡骨节段缺损的动物实验研究主要研究目标及方法如下：参照 GB/T16886.5-1997-ISO 10993-5：1992《医疗器械生物学评价细胞毒性试验体外法》之评价标准和要求，采用规定的 L929 细胞(小鼠结缔组织成纤维细胞)，分别经直接接触和材料浸提液与细胞共培养等方式对 n-HA/PA66 复合材料进行细胞毒性测试，采用细胞形态观察法观察两种细胞各组在 24h、48h、72h、5 天后各时相点的细胞形态学变化，并在显微镜下照相，从而对细胞与材料的生物相容性进行定性评价；同时采用细胞生长抑制法，以酶标仪定量测定评价各组 1，2，4，7 天 L929 细胞的相对增殖率，以定量测定并判别材料对细胞的毒性程度。

Experimental design of orthogonal table is made use of whichcould obtain optimum formulation and the modification of the engineering plastics,reference test block is obtained. Also, testing and analysis of bending strength, bending modulus,tensible strength, impact strength, as well ashardness is carried through.

利用正交实验设计得到共混改性POM的最佳配方，制备出标准试样，并且进行弯曲强度、弯曲模量、冲击强度、拉伸强度以及硬度的测试和分析。

EDS and Surface-profile results indicate that the stoichiometries of all the samples approach 2:3 and the thicknesses are over 500nm. XRD results indicate that the major diffraction peaks of the film match those of Bi2Te3.The film growth exhibits preferred orientation at (015) phase and many Bi, impurity peaks are observed. Hall and Seebeck coefficient measurement reveals that all the samples are n-type with the carrier density of 10^23cm^-3 and conductivity of 10^-5Sm^-1 which confirm the samples have nice thermoelectrically properties.

能谱分析和台阶仪测量结果显示本文所制备的薄膜Bi：Te原子比接近2：3，厚度都大于500nm；XRD测量结果显示薄膜的主要衍射峰与Bi2Te3标准衍射峰相同，在（015）晶面上择优选向明显，有少量的Bi、杂质峰存在；霍尔系数测试及Seebeck系数测量结果显示，薄膜都为n型半导体薄膜，载流子浓度量级为10^23cm^-3，电导率量级10^-5Sm^-1，具有良好的电学性能。

Methods The Prothese Tibiale Kept crus prostheses with EVA soft socket sail silicone socket were made and dressed by one patient who was familiar to dress crus prothesis. The gait analysis was performed with infrared ray imaging.

制作带聚乙烯基内衬套的PTK小腿假肢和带锁硅胶衬套小腿假肢，由一位熟练使用小腿假肢的患者穿戴，使用红外线摄像仪进行步态分析测试，采集一个标准步态周期数据进行数据分析。

The standard register consists of a straight reading odometer type totalization display, 360o test circle with center sweep hand and flow finder to detect leaks.

这种标准记录器包括一个直接阅读里程表类型的全显示器，360o测试圆盘配置中心扫描杆和能够检测泄漏的流量探测器。

In general terms the chemical impurities are measured in a silicon rod obtained through the deposition of a small Trichloro silane sample on dedicated pilot test reactors or directly from a core sample taken from a produced polysilicon rod; both are refined by Float-zone technique (the sampling operation are performed according to the relative ASTM F1723-02 -"Standard Practice for Evaluation of Polycrystalline Silicon Rods by Float-Zone Crystal Growth and Spectroscopy").

大体上称化学的杂质在热衷的飞行员测试反应者上被获得过小 Trichloro silane 样品的沈淀的矽竿中被测量或者直接地从一个核心抽取样品从一支被生产的 polysilicon 竿拿；两者都被漂流物-地域技术精炼(抽取样品操作依照比较的美国材料试验学会 F1723-02 被运行-& Polycrystalline 矽漂流物-地域水晶生长和光谱学的竿评估的标准练习&)。

Mark J1C at theintersection of the two lines.It is necessary to use a new standard specimen to do J-integral test. The dimension of standard specimen is 10 mnx20 nsnxiOO mm .The results from this specimen are satisfied with the condition of validness of J-integral as well as the condition of plane-strain. The reason is explained.

通过对J积分测试中的有效性条件及平面应变条件的分析，提出用尺寸为10mm×20mm×100mm的试样作为标准试样进行J积分试验，该试样既能满足有效性条件又能满足平面应变条件，并解释了其原因。

The aim of protocol conformance testing is to verificate the conformance between computer network communication protocol implementation and correlative protocol criterion. And, it is the key to insure the correct connection and communication among all kinds of computer systems.

协议一致性测试是用来验证计算机网络通信协议的实现与相应的协议标准之间的一致性，是确保各种计算机系统正确互连和互操作的关键。

Using Lab VIEW, we construct a well man-machine conversation and analyze the data by signal processing method.20 volunteers are examined by the prototype instrument and the Synergy electromyograph (Dantec Ltd. Denmark).

我们选取20名健康志愿者分别在南方医院的肌电—诱发电位仪和实验样机上作测试，采用标准差—平均差法等方法验证了仪器的一致性。

The differences in 13 proteinsbetween PDOM, literature as well as SCOP have been discussed extensively.

用由 55 个蛋白质结构组成的测试数据集评估 PDOM，如果以晶体结构作者确定的结构域划分作为标准，PDOM 的划分准确率为 76%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。