查询词典 test-tube

These advantages of EBW make its use expanding in the welding of titanium and its alloys.The microstructure and properties of TC4 alloy joints welded by the electron beam were investigated in this paper with room-temperature impact test, room-temperature tensile test, room-temperature notch tensile test, high-temperature tensile test, endurant tensile test, microhardness test and metallographic analysis.

本课题通过室温冲击、室温拉伸、室温缺口拉伸、高温拉伸、持久拉伸及显微硬度等力学性能试验和金相显微组织分析、断口扫描分析等，对TC4钛合金电子束焊接接头的组织和力学性能进行了分析和研究。

objective:through analyzing the result of physical fitness test of children aged 3～6 years old in fengtai district of beijing,there is a scientific guiding to the next working in the future and an enhancement of physical exercise.methods:according to "the test standard of physical fitness for children aged 3～6 years old",we had the physical fitness test on 9 784 children aged 3～6 years old.the result of test was analyzed by statistics analysis.results:it is eucrasia for physical fitness of children.the percengts of excellent grade,good grade,passing grade and not passing grade are 59.12%,23.69%,13.31%,3.88%,the total percent of excellent grade is in creasing with the increasing of the age of children.there is some imbalance in test of subitem.conclusion:physical fitness test of children can guide to child care scientifically.physical exercise is very important to growth and development of children,we should pay much attention to it.

目的：分析北京市丰台区托幼园所3～6岁儿童体质测试结果，为儿童保健工作作科学指导，促进儿童体格锻炼。方法：应用《北京市3～6岁儿童体质测试标准》对我区9 784名3～6岁儿童进行体质测试，将结果进行统计学分析。结果：丰台区3～6岁儿童体质健康状况良好，综合评价优秀级占59.12％，良好级占23.69％，及格级占13.31％，不及格级占3.88％。总体评级优秀率随年龄增大而增高，小年龄组不及格者明显多于大年龄组。我区儿童各单项测试项目发展存在不平衡。结论：进行体质测试可对儿童保健工作起科学指导作用，体格锻炼对儿童生长发育极为重要。

The biocompatibility of self-designed hydroxyapatite/poly rods was evaluated both in vitro and in vivo including Ames test, micronucleus test, acute and subacute systemic toxicity test, hemolysis test, hemopexis test and long-term muscle and bone implant test.

对自行研制的可吸收羟基磷灰石/聚DL-乳酸复合骨折内固定材料进行了一系列生物相容性实验，包括Ames实验、微核实验、急性和亚急性毒性实验、溶血实验、凝血试验和肌肉、骨内长期植入实验。

The biocompatibility of self-designed hydroxyapatite/poly rods was evaluated both in vitro and in vivo including Ames test, micronucleus test, acute and subacute systemic toxicity test, hemolysis test, hemopexis test and long-term muscle and bone implant test.

对自行研制的可吸收羟基磷灰石/聚DL-乳酸复合骨折瘦身内固定材料进行了一系列生物相容性实验，包括Ames实验、微核实验、急性和亚急性毒性实验、溶血实验、凝血试验和肌肉乙肝、骨内长期植入实验。

The two kinds of polysaccharose had been compared their immune pharmacolog -ical effect by a series of tests to the mice which were immunological organ weight test, celiac mononuclear cacrophage test, erythrocyte rosette formation test, EAC rosette formation test, metatarsal swelling thickness test, and lymphocyte transformation test.

通过PPS1对小鼠进行免疫器官重量试验、腹腔单核巨噬细胞功能测定试验、E玫瑰花环试验、足跖肿胀厚度试验、T淋巴细胞转化试验、EAC花环试验，检测PPS1的免疫药理学作用。

Based on the above, the author built the vehicle virtual prototyping simulating model including the front and rear suspensions, the powertrain, the steering system, the front and rear tires, wrote the driver control files(abbreviation. dcf) and driver control data files(abbreviation. dcd) for vehicle handling stability simulation analyzing according to the requirements of the current standards GB/T6323.1-94-GB/T6323.6-94 of our nation"s for vehicle controllability and stability test, carried out simulation and analyses for vehicle handling stability such as steering wheel angle step input test, returnability test, steady static circular test, pylon course slalom test and steering efforts test, and evaluated the car"s handling stability performance by scoring according to GB/T 13047-91 ?Criterion thresholds and evaluation of controllability and stability for automobiles?.

在上述基础上建立了包括前后悬架、发动机、转向系、前后轮胎等在内的整车虚拟样机仿真模型，并根据我国现行整车操纵稳定性试验标准GB/T6323.1-94～GB/T6323.6-94的要求，编写了用于整车操纵稳定性仿真分析的驱动控制文件(Driver Control Files，缩写为DCF)和驱动控制数据文件(Driver Control Data Files，缩写为DCD)，进行了转向盘转角阶跃输入试验、转向回正试验、稳态回转试验、蛇行试验和转向轻便性试验等整车操纵稳定性试验仿真分析，并参照GB/T13047-91《汽车操纵稳定性指标限值与评价方法》对该轿车的操纵稳定性进行了评价计分。

Firstly, global test sequences are generated from CMpFSM model of system under test; in order to improve the fault coverage, an enhanced test generation method is presented; then, suitable distributed test architecture is selected and a formal algorithm is presented to distribute the global test sequences to different testers and generate distributed synchronizable test suite.

首先根据系统的CMpFSM模型生成全局测试序列，并进一步提出了一个增强的测试生成算法得到具有更高错误覆盖度的测试集；然后根据选定的分布式测试架构，将全局测试序列分布到各测试器上，最终生成分布式同步测试序列。

The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

结合航天某集团液压测试中心测试系统的需求，提出了基于VXI总线的液压测试系统的整体设计方案，完成了测试系统的硬件设计与软件设计，包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容；以伺服阀动态特性测试为例设计了测试模块，该模块体现了VXI总线仪器软件开发所倡导的&虚拟仪器&的思想，以软件的灵活应用满足了不同的测试需求；结合自动测试系统的发展，研究了VXI测试系统与网络技术结合，实现各种软硬件资源共享，进一步提高设备及数据的利用率和系统的扩展性，使自动测试向综合化、网络化方向发展；研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题，讨论了伪随机信号的产生机理，从频域和时域分析了伪随机信号的性质及其应用，提出了用逆重复伪随机信号弥补了普通伪随机信号的不足，并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化，可以更合理而不是凭经验产生需要的逆重复伪随机信号。

Textile colorfastness to crocking is very important, and there are differences among test methods in different countries. The test results are influenced by different test methods. In order to avoid the "trade rubs" among different countries, it is necessary to know the correlation among test results of different test methods. In this paper, Chinese GB(GB/T 3920-51997), AATCC(AATCC TM 82004) and JIS(JIS L 0849-1996) test methods of colorfastness to crocking were introduced.

纺织品耐摩擦色牢度是重要的检测指标，各国的标准和测试方法有一些差异，而不同的测试方法对测试结果有一定的影响，为了解不同测试方法测试结果的相关性，以避免贸易摩擦，本文介绍了耐摩擦色牢度的我国国标(GB/T 3920 5 1997)、美国纺织化学家及染色家协会标准(AATCC TM8 2004)、日本标准工业协会标准(JIS L 0849 1996)等三个测试方法标准，通过对相同试样的三种测试方法的测试，探讨了评定值之间的相互关系。

The main differences among these three test methods were compared, and correlation of evaluation among them were also discussed. The test results showed that the difference of test results is between 0.5 and 1.0 grade, and AATCC test method for wet crocking test showed more color transfer than the other two test methods.

结果表明，对于纺织品耐摩擦色牢度，三种测试方法所测得的耐摩擦色牢度值之间存在着一定的差异，虽然只有0.5~1.0级之差，但对于耐摩擦色牢度是否合格是至关重要的，AATCC湿摩擦的测试结果比其他两种稍显严重。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。