Within minutes, other planes were simultaneously coming in for recovery, the "controlled crashes", as one flyer put it, that pass for carrier landings. 几分钟之内,其它的飞机都同时飞临上空,准备降落,或者就像一个飞行员说的那样,准备进行“受控撞机”,即降落在航空母舰上。
Cascaded multilevel inverters which is controlled by triangular carrier phase shift technique is in the leading role of high voltage and high power AC variable frequency speed regulating. 在高压大功率交流变频调速领域,级联式多电平逆变器目前处于主导地位,而三角载波移相控制技术又是其较适合的控制方略。
One-dimensional solution of MOS Controlled Thyristor ( MCT) is obtained by using a reasonable physical model and accurate numerical method. Inner carrier distribution and electrical field distribution as well as external terminal characteristics of the device are given. 采用了合理的物理模犁和精确的数值解法,对MCT进行了一维数值求解,得到了器件内部载流子分布和电场分布以及外部端特性。
A Starting Method of the Remote Controlled System in the Power Line Carrier Communication 电力线载波通信中远端受控系统的一种启动方法
To counter the start and control of the remote controlled system in the power line carrier communication, the design transmission, reception, decoding and resetting of the starting signal are presented. 针对电力线载波通信中远端受控系统的启动及控制这一难题,从启动信号的设计、发送、接收、解码和复位几个方面进行了探讨。
This article roundly discusses the survey about the application and development of γ-PGA as slow and controlled release drug carrier and systemically studies the preparation method of γ-PGA-ferment-hydrolyze method. 文中较全面论述了缓控释药物载体γ-PGA的应用及发展概况;系统研究了γ-PGA的制备方法&发酵-水解法。
The legal system of controlled carrier dated from the Cold War, and now most influences the government owned carriers of our nation. 受控承运人制度是冷战的产物,目前受其影响最大的就是我国国有承运人。
^ Program Controlled Phase Measurement Equipment of Pulse Modulated Carrier for Microwave Amplifiers 微波放大器脉冲调制载波相位程控测试仪
The single chip system controlled the step motor and host computer communicated with the single chip system by RS232 serial port, so the microscope carrier can move according to the customer's setting. 由单片机系统控制步进电机,PC主机通过RS232串行接口与单片机系统通信,使显微镜按照用户设定好的运动规则动作。
Researches on Legal System of Controlled Carrier 受控承运人制度研究
A mathematical model for the mass transfer mechanism of diffusion-reaction double controlled process in emulsion liquid membrane is presented in this paper. The boundary of surfactant, surface reaction of the transferring ingredients and carrier, resistance of membrane phase were considered compositely by this model. 本文建立了乳状液膜扩散-反应双控制过程传递机理的数学模型,该模型综合考虑了膜外相边界层,金属离子与载体的界面化学反应以及膜相阻力等因素对传质的影响。
Preliminary study on controlled/ slow release carrier nitrogen fertilizers 载体缓控释尿素研制初探
Research on Alginate Microcapsule as a Controlled Released Carrier of Lipophilic Drugs 海藻酸微胶囊作为脂溶性药物缓(控)释载体的研究
It indicates that the degradable collagen material has good biocompatibility, and can be used for controlled drug-release carrier in middle ear. 提示可降解的胶原基材料具有良好的生物相容性,可以做为中耳控释给药的载体材料。
The absorption state of the carrier surface can be controlled by altering the self-assembly medium concentration and the alternation also lead to the change of the electric property of the carrier surface. 在载体表面的吸附量及表面吸附状态可通过控制其浓度来控制,控制不同的浓度载体表面可带不同电荷。
Preparation and Controlled Release of Quaternized Chitosan Nanoparticles as a Protein Carrier 壳聚糖季铵盐纳米粒子的制备、表征及其缓释蛋白质药物性能
Evaluation of polylactic-co-glycolic acid copolymer as triamcinolone acetonide controlled release carrier 聚乳酸-羟基乙酸共聚物作为曲安奈德控释载体的评价
Control computer on carrier continuously acquired various sensor parameters, then sent out new order, and controlled carrier to do acceleration, and to carry out uniform speed movement and to do deceleration. 在机车运行过程中,车上的控制计算机不断采集各种传感器参数,经处理、判断后发出新的指令,控制机车做加速、匀速、减速等运动。
With the development of controlled release techniques from simple mixing growth factors with carrier materials to controlled release microspheres, this kind of delivery formulations gain their extensive application. 从载体材料与生长因子的简单混合到生长因子缓释微球系统,生长因子缓释技术不断更新并得到广泛应用。
Temperature-sensitive Hydrogels Suitable for Drug Controlled-release Carrier 药物缓释载体用温敏性水凝胶
At present, Low and middle lever numerically controlled ( NC) machines mostly choose economical NC system as well as motor-driven tool carrier etc, and its internal logic control is realized by Programmable Logic Controller ( PLC). 目前,中低档数控机床的主要配套件大多选用经济型数控系统以及电动刀架等,而其内部的控制逻辑是由可编程控制器(PLC)来实现的。
Preparation of γ-PGA used as slow and controlled release drug carrier. 用作缓控释药物载体的γ-PGA的制备。
Controlled release fertilizers ( CRFS) is a new one which can adjust and control the nutrient releasing, taking organic, inorganic or organic-inorganic compound materials as the carrier. 控释肥料(Controlledreleasefertilizers,缩写为CRFS)是以有机、无机、有机无机复合材料为载体,制造的可调节和控制养分的释放的新型肥料。
AIM: By preparing new type triamcinolone acetonide sustained release system to detect its form, drug delivery and drug release in vitro, evaluate the feasibility of applying biodegradable polylactic-co-glycolic acid ( PLGA) copolymer as triamcinolone acetonide controlled release carrier. 目的:通过制备新型的曲安奈德缓释系统,对其形态、载药及体外释药性进行检测,评估应用生物可降解的聚乳酸-羟基乙酸共聚物作为曲安奈德控释载体的可行性。
The characteristics of SOA is in nature controlled in its active region by the intra-or interband carrier dynamics, which is eventually determined by the energy band structure of the active area. SOA中的各种特性本质上与有源区中载流子的带内和带间特性有关,而载流子的特性最终归结于有源区的能带结构。
These hollow magnetic microspheres exhibited a controlled release process when it was used as a drug carrier. 该微球被用作药物载体来进行药物释放,它展示了良好的可控释放过程。
VCOs ( voltage controlled oscillators), for carrier generating and mixing, are widely used in wireless communication and radar system. 在所有现代雷达和无线通信系统中,广泛需要VCO(压控振荡器)以提供载波发生和频率变换。
The Shipping Act also has some unique legal mechanisms such as tariff filing, non-vessel-operating common carrier ( NVOCC), and controlled carrier. 美国航运法规定的运价管理制度、无船承运人制度、受控承运人制度等具有特色。
Frequency hopping spread spectrum communication is a multi-class means of communication among the most talked about, its principle is according to a set of pseudo-random sequence randomized which controlled carrier frequency hopping communication transceiver to achieve mutual communication. 跳频通信是多类扩展频谱通信方式当中最受关注的一种,其原理是通过一组伪随机序列控制载波频率随机跳变来实现通信收发双方的通信。
Liposomes, as a new sustained and controlled release carrier, can be a solution to this problem. Furthermore, the application of polymer to coat on the surface of liposomes could efficiently improve the stability of liposomes. 脂质体作为一种新型的缓释控释载体可以有效解决这一问题,而对脂质体表面采用多聚物包覆又可以改善脂质体的稳定性。