carrier 四级高考考研

The carrier mobility of photoelectric functional materials including azobenzene, nitryl and carbazole were measured, and their carrier mobility data were given.

摘要 The paper introduces carrier mobility measuring methods, especially illustrates the time-of-flight (TOF) method, which is a photoelectric measuring method.

In a UHF passive RFID system, a reader transmits an unmodulated continuous wave (CW) to tags, which not only provides energy to tags but also serves as the carrier of tag backscatter signals.

在超高频被动式射频辨识系统里，读取器传送未调变过之连续讯号给标，其不但可提供能量给标也作为标散射讯号的。

The planes bam med against the deck of the aircraft carrier.

飞机砰砰地冲撞航空母舰的甲板。

The systems allow carriers to offer more high-bandwidth data services over their existing fiber-optic access and interoffice networks.

这些系统允许电话公司在现有的光缆接入和局间网络上提供更多的高带宽数据服务。

The aerobus is direct to land a match field, model most bad also get aircraft carrier class.

客机直接降落赛场，机型最差也得航空母舰级。

Based on noncoherent DLL and arctan carrier PLL, the curves of tracking errors in general forms are given after a series of computing and simulation.

基于非相关早减迟延时锁定环和正切跟踪环,得出了由一般形式的误差解析表达式导出的码相和相位跟踪误差曲线。

This program is also suitabal for the ejection of any uncontrolled bomblet from carrier.

仿真程序也适用于所有弹道导弹子母弹抛撒轴对称子弹的无控弹道仿真。

The universal anti-fake grain mark includes carrier with visible color or monochromic pattern and adhered medium with enquired number and other information.

本发明公开了一种通用纹理防伪标识物，体内设有可视的彩色或黑白图案体，而将查询号码等其它信息设置在被贴的介质上。

Allelotype analysis was done at five short tandem repeat markers (D17S855, D17S1322, D17S1323, D17S1326, and D17S1327) in or adjacent to BRCA1 on the recurrent mutation carriers.

对发现携带有相同突变的个体选取5个与BRCA1基因连锁的标记（D17S855、D17S1322、D17S1323、D17S1326和D17S1327）进行单倍型分析。

The carrier in parking system of flatness and reciprocator tyPe is composed of ambulatory and transverse gadget.

平面往复式停车设备中的搬运器由行走机构和横移机构组成。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁醇的简史、原理、过程,以及体和培养基的选择方法。

Calcium ammine catalyst was prepared with metal calcium,dehydrated liquid ammonia as raw materials,nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.

采用金属钙、脱水液氨、体纳米二氧化硅及改性剂乙腈与环氧丙烷制备出氨钙体系催化剂。

Semiantigen sulfamethoxydiazine (SMD) was coupled with carrier protein bovine serum albumin (BSA) to prepare complete antigen SMD BSA by glutaraldehyde method.

采用戊二醛法,将半抗原磺胺对甲氧嘧啶(SMD)与体牛血清白蛋白(BSA)偶联,制得磺胺对甲氧嘧啶全抗原SMD-BSA。

The thermoanalysis results of the catalysts show that interactions between the precursors of nickel and carrier change with the nickel loading during the calcination treatment.

热分析表明，焙烧过程中不同镍负量的催化剂镍前体与体前体之间发生的相互作用不同。

The carrier wave has got out of phase with the signal wave.

同信号是异相的。

Keeping carrier pigeons is his hobby.

养信鸽是他的业余爱好。

The heat input of gasification using coalite as solid heat carrier comes from combustion heat of the solid heat carrier in riser.

固体热体煤气化的热量靠提升燃烧产生。

Point Of Presence (POP) is the physical access location interface between a local exchange carrier and an Interexchange Carrier fiber network.

汇集点是本地交换运营商和内部交换运营商光纤网络之间的物理访问位置界面。

Our study shows that such conversion is possible in conducting polymers, where a charge carrier can be converted into a spin carrier by photoexcitation.

最近的实验表明，自旋流子可以被注入到共轭高聚物中，说明共轭高聚物材料也可能在自旋电子学中得到应用。

Pan Am was the third US carrier to cease operations in 1991.

泛美航空公司是1991年第三家停业的美国航空公司。