OBU

Research and Design of OBU DSRC Protocol Conformance Testing System

OBU设备DSRC协议一致性测试系统的研究及设计

The OBU has two features to compensate for the loss of GPS signals .

车上装置有两个补救全球定位系统信号不足的功能。

DSRC Protocol Conformance Test Technology of OBU Equipment

OBU设备DSRC协议一致性测试技术

Preparation of PS / Ti ( OBu ) _4 Emulsion Particles for Photonic Crystal

光子晶体用PS/Ti（OBu）4复合乳胶粒的制备

Subsequently , many research institutions and companies start to research and develop the OBU equipment and the RSU equipment .

随后很多科研机构和厂商开始了国标OBU设备和RSU设备的研发工作。

Kinetics of hydrolysis and condensation in sn ( obu ~ n ) _4 sol-gel systems

Sn（OBu~n）4溶胶-凝胶体系的水解缩合反应动力学

In order to test the performance of the OBU , this paper tested environmental adaptability and the results are all up to nation standards .

为测试所设计的OBU的性能，本设计还对其进行了环境适应性测试。经测试后，OBU的各项性能指标均达到国家标准。

This is achieved through another service call made by your Car 's OBU on the Presence Web service : the publish ( Presence ) method .

这是通过您车辆的OBU对在线状态Web服务进行的另一个服务调用实现的，即publish（Presence）方法。

Synthesis of ( N , N-Diethylamino ) Ethyl Caproate by Using Catalyst Ti ( OBu ) _4

用钛酸四丁酯催化合成N，N-二乙氨基乙醇己酸酯

The System can collect and release the information of OBU and peripheral interface , and the test results show that the system meets the design requirements and runs stable .

系统能对OBU和外围接口的各种状态信息进行采集和发布，通过测试达到了设计要求，运行稳定。

With Ti ( OBu ) _4 as precursor , TiO_2 coatings were prepared on the surface of 45 # steel by sol-gel method .

以Ti（OBu）4为前驱体，通过溶胶&凝胶法在45钢表面制备TiO2晶膜。

In this paper , lanthanum-doped TiO2 nanometer film materials coated on glass were prepared in Ti ( OBu ) 4 precursor solutions by sol-gel processing .

用溶胶-凝胶法研究了掺镧TiO2纳米薄膜材料。在钛醇盐溶液前驱体中，通过提拉方式镀膜在玻璃上，从而形成自净玻璃。

Study the working principle and parameter design of the antenna , in accordance with the test requirements and structural features of the RSU and OBU , and designed a microstrip antenna .

研究了天线的工作原理和参数设计，根据RSU和OBU的测试需求与结构特点，设计了微带天线。

Studied some effect of conditions on gel time such as quantity of commingled water and Ti ( OBu ) 4 , pH value , hydrolysis temperature , chelating agents , mixing time and method of adding water ;

研究了不同的掺水量、掺醇量、pH值、水解温度、螯合剂、搅拌时间、加水方式对胶凝时间的影响；

Nano-TiO_2 sol was prepared with HCl as catalytic , acetic acid as chelating agent and Ti ( OBu ) 4 as precursor , and the optimal material mixture ratio was determined experimentally .

以盐酸为催化剂、乙酸为螯合剂、钛酸丁酯为前驱体制备纳米TiO2溶胶，通过实验确定物料最佳配比；

It was indicated that the H2O / Ti ( OBu ) 4 and the AcAc / Ti ( OBu ) 4 had important effects on the physical performance of titania sol .

研究表明，水/钛酸丁酯、乙酰丙酮/钛酸丁酯的制备条件对溶胶的稳定性有着非常重要的影响。

To ensure the interoperability and compatibility between the OBU equipment and the RSU equipment , the protocol conformance testing is needed to verify that the DSRC protocol of the equipment conforms to the protocol standard .

为了保证OBU设备和RSU设备之间的互操作性和兼容性，需要在应用前对它们进行协议一致性测试，即验证这些设备中的DSRC协议是否与协议标准规定相一致。

It defines the communication process between the on-board device ( OBU ) and the roadside unit ( RSU ), and defines the physical parameters of the communication , the operation flow , and other formatting information interaction specification .

它定义了车载设备（OBU）和路侧设备（RSU）之间的通信过程，并定义了两者进行通信的物理参数、操作流程、交互信息的格式等规范。

Polymerization of styrene by supported CpTi ( OBu ) 3 / RMgBr catalytic system was investigated under different polymerization temperatures 、 different Grignard reagents , different monomer concentrations , Mg / Ti molar ratios and polymerization time .

考察了聚合温度、催化体系的组成、单体浓度、Mg/Ti摩尔比、聚合时间等条件对苯乙烯聚合的影响。

Rheological characteristics and kinetics of the sol-gel transition of TiO2 by means of modified Ti ( OBu ) 4 through AcAc precursor in different conditions ( such as , pH value , H2O : Ti ratio and temperatures ) were studied .

对经过乙酰丙酮改性的钛酸四丁酯为前驱体的TiO2溶胶－凝胶过程进行了不同条件下（pH值、水钛比、温度）的流变特性测量和研究。

The main work and results are presented as follows : 1.Using Ti ( OBu ) 4 as precursor and glass fibers as carrier , TiO2 micro / nano architecture has been prepared on the surface of glass fibers via a sol-gel and hydrothermal process .

主要研究结果如下：1.以钛酸丁酯为原料，玻璃纤维作为基体，采用溶胶-凝胶法以及水热处理技术，在玻璃纤维表面构筑了由TiO2微米级和纳米级棒晶组成的微纳米结构。

In this paper , with C_ ( 2 ) H_ ( 5 ) OH as solvent and Ti ( OBu ) _ ( 4 ) as precursor , we prepared TiO_ ( 2 ) gelation through sol-gel method , and study the gelation time through different reaction factors .

研究了用溶胶-凝胶法制备纳米二氧化钛溶胶的过程，以钛酸丁酯为前驱物，无水乙醇为溶剂，通过不同的反应条件对其凝胶时间的影响做实验对比。

Polyether-ester thermoplastic elastomer , such as polyethylene glycol terephthalate-butylene terephthalate copolymer ( PEGT / PBT ) was synthesized by melt polycondensation from polyethylene glycol , butanediol and dimethyl terephthalate with Ti ( OBu ) 4 as catalyst . The copolymer was characterized by means of GPC ? FTIR ?

采用熔融缩聚法设计合成了对苯二甲酸聚乙二醇酯对苯二甲酸丁二醇酯共聚物（PEGT/PBT），并用GPC、FTIR、NMR对合成产物进行了表征，结果表明所得共聚物与设计相符合。