The different effect between tetra-n-butyl titanate and sulfuric acid was studied.
分别研究了浓硫酸和钛酸四正丁酯两种催化剂对产率的影响；
Then the tetra-coordinate silicon monomer and co-polymer were characterized by FT-IR, TG, DSC, GPC etc.
最后对合成的四配位硅单体及共聚物进行了IR、TG、DSC、GPC结构表征。
This paper reports briefly stereoselective synthesis of tri and tetra-substituted ethylenes by some methods.
本文简要介绍用几种方法立体选择性合成三和四取代烯烃。
The influences of load resistance on tetra-lateral position sensitive detectors (PSDs) are studied by experiment.
通过实验研究了负载电阻对四边形psd的影响规律。
Researchers studied three populations of Mexican tetra in the lab.
研究人员在实验室研究了三种墨西哥丽脂鲤种群。
Instead of Tetra Paks one could buy 3-liter jars with tomato, apple, pear or birch juice.
同利乐包装不同的是，人们可以买到3升装的西红柿，苹果，梨子或是桦树汁罐头。
We have chosen the EADS TETRA system based on a thorough process of technical evaluation.
我们选择EADS公司的TETRA系统经过全面的技术评估过程。
The TETRA crypto provides users with the freedom to choose a terminal based on their own specific needs while safeguarding the ability to communicate securely with all other users.
TETRA的加密功能为用户提供自由选择具体需要的终端，同时保障与所有其他用户的安全通信能力。
It's composed of 1200 PET plastic bottles (walls), 1300 milk and wine Tetra Pack boxes (roof), 140 CD cases (doors and Windows), and an additional 320 PET plastic bottles in the furniture.
它是由1200只PET塑料瓶(做墙壁)、1300个牛奶和啤酒的利乐包装盒(做屋顶)、140个CD盒(做门窗)以及另外320只做家具的PET塑料瓶构成。
On the left is an Applied Tetra III advanced reticle-etch system. This system is used by virtually every maskmaker in the world for the development and production of 45-nanometer masks.
左图是一套Applied TetraIII高级掩膜蚀刻系统，如果掩膜板制造商要开发和生产45纳米的掩膜，就必须得使用这套设备。
Cloth, leather, Tetra paks-each has its own pile.
布制品、皮革制品以及饮料包装——每一样都有各自摆放的位置。
Observers speculate that he intends to give Reynolds sufficient bulk not only to challenge Tetra but also to be able to strike sweeping deals to provide packaging to food conglomerates such as Kraft.
观察家们推断给予雷诺集团足够资金的目的不仅是要挑战利乐，更是要从诸如卡夫（Kraft）之类的食品巨头手中争取大批包装订单。
Selex communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.
Selex通信公司将提供Tetra移动通信计划，以及HF、卫星和微波无线连接。
Rakel is based on the international TETRA standard used to secure radio connections within and between critical public safety functions.
Rakel网基于国际TETRA标准，用于保护重要公共和内部之间的无线连接安全。
Researchers studied three populations of Mexican tetra in the lab.
研究人员在实验室对三个种群的墨西哥脂鲤进行了研究。
Finally, I implemented the voice functions of TETRA smart mobile terminal by reference to the idea of the telephone program.
最后，通过借鉴智能手机的电话程序的编程思想，实现了TETRA智能移动终端的各项语音功能。
Where do you plan to store the collected tetra pack ?
你打算把那些利乐包储存到哪里？
Europium and terbium rare earth complexes with tetra carboxylic acid were successfully prepared in aqueous solution.
摘要在水溶液中合成了铕和试的四元羧酸稀土配合物。
Terminal based on TETRA digital trunking mobile communication system could send and receive status and short data service message, and achieve navigation and location through short data service.
基于TETRA数字集群移动通信系统开发的TETRA终端，通过数据业务可以发送和接收状态消息和短数据业务消息，利用短数据业务完成终端导航定位功能。
The TETRA terminal, which we will develop, is a kind of smart mobile terminal, which not only can be used as a normal TETRA mobile terminal, but also has some special functions, such as GIS.
此次所开发的TETRA终端是一种智能移动终端，它除了具有传统TETRA移动终端的所具备的一切功能外，还拥有GIS等功能。
Therefore, we study the security of the TETRA system is very critical.
因此对TETRA数字集群系统安全技术的研究非常关键。
Welcome friends from all sports and leisure clothing Tetra God visits, guidance and business negotiation.
欢迎各界朋友莅临利乐神运动休闲服饰参观、指导和业务洽谈。
Objective To study the morphologic and cytogenetic change in acute promyelocytic leukemia (APL) patients during the tetra arsenic tetra sulfide (TATS) treatment and the mechanism of TATS.
目的观察四硫化四砷（TATS）治疗初治和复发急性早幼粒细胞白血病（APL）过程中细胞形态学及细胞遗传学变化，探讨其作用机制。
The photoluminescent properties of dysprosium complex (ethylenediamine tetra acetate) were investigated in the presence of different sized Ag nanoparticles.
研究了不同粒径的纳米银对镝配合物（乙二胺四乙酸配合物）的光谱学性质影响。
The TETRA system also supports powerful DMO mode and enables authentication, air interface encryption and end-to-end encryption.
能支持功能强大的移动台脱网直通（DMO）方式，可实现鉴权、空中接口加密和端对端加密；
Through its fuilds and its well testing business, TETRA capitalizes on cyclical upturns in the oil and gas drilling cycle.
TETRA公司通过油田和油井的试验业务，将资金以周期性上升方式投向了油田和气田的钻探周期的运营。
On contrast against conventional TETRA system, the network architecture and benefits of TETRA over IP system are analyzed.
通过与常规TETRA系统的对比，分析基于IP的TETRA系统网络结构、组成及优点。
Tetra God Sportswear integrity, strength and quality of products recognized by the industry.
利乐神运动休闲服饰的诚信、实力和产品质量获得业界的认可。
In 1998, ETSI publicized TETRA protocal, which is a standard of digital trunked radio communication system.
TETRA协议是欧洲电信标准协会(etsi) 1998年公布的一种数字集群通信系统标准。
In 1998, ETSI publicized TETRA protocal, which is a standard of digital trunked radio communication system.
TETRA协议是欧洲电信标准协会(etsi) 1998年公布的一种数字集群通信系统标准。
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