电

The four conditions are as follows: the molten alloy only with the addition of deoxidant during melting; only applying high-density pulse electric current on castings during solidification; compound addition of grain refiner and sodium modifier, and addition of borax r modifier liquid along with applying pulse electric current during melting.

这4种工艺条件分别为：在合金液熔炼过程中，除了加脱氧剂外不做任何处理；凝固过程中单独施加高密度电脉冲；添加晶粒细化剂和钠盐变质剂混合剂，或者添加硼砂变质细化剂，并施加高密度电脉冲。

According to the result last step to derivate the potentials on the cortex.

根据所得到头皮的电势分布，分别采用HREEG和有限电阻网络法进行脑电逆问题的推演。

In some materials with periodic variation of dielectric constants and light within a certain frequency range shows exponential decay due to destructive interference and cannot propagate. This phenomenon is called photonic bandgap and this kind of structures is called photonic crystals.

介电系数周期性排列的材料，部分波段会因破坏性干涉呈指数衰减，导致无法在此结构上传播，此现象称为光子能隙，此类具有介电系数周期性排列的结构则称为光子晶体。

In a dust-proof connector for an electronic unit detachably provided in an electronic apparatus in which an air-stream is produced in the apparatus to cool an interior thereof, the connector includes a first type connector half provided on the electronic unit and having a first array of electrical contacts, and a second type connector half provided in the apparatus and having a second array of electrical contacts.

一种可拆地装设在电子装置中的电子单元的防尘连接器，所述电子装置中形成气流以冷却其内部，所述连接器包括设置在电子单元上并具有第一电接点阵列的第一类型连接器半体，以及设置在所述装置中并具有第二电接点阵列的第二类型连接器半体。

The result of frequency response analysis shows that when the modulation frequency of incident radiation increases, the phenomenon that the response of detector lagging behind the variation of radiation becomes evident, the temperature variation range in pyroelectric thin film decreases, but the variation velocity increases, so the current resulting from pyroelectric effect increases.

频率响应分析表明：随着入射辐射调制频率的增大，可以观察到探测器响应的滞后现象越来越明显，热释电薄膜中的温度变化范围减小，但变化速率增大，因此探测器的热释电电流增大。

The invention relates to an air ion static determination and an air ion static determinator, comprising air ionization collector, electric charge weigh, control circuit, computer and software system supporting measurement and data recording processing, wherein the electric charge weigh is used to isolate the air ionization collector and the computer acquisition circuit, the computer can monitor the electric quantity on the collector plate electrode.

本发明涉及一种空气离子静态测定法及空气离子静态测定仪，计算机控制的可以在线连续监测空气离子浓度的电路设计和测量方法。测试系统由空气离子采集器、电荷秤、控制电路、计算机及其支持测量和数据记录处理的软件系统构成。电荷秤通过电―光转换、光―电转换起到了把空气离子采集器与计算机采集电路隔离的作用，使采集器上的电荷不会通过采集电路放电，计算机可以监测采集器极板上的带电量。

This paper described the design of constant current discharging device based on thermal sensitive element of PTC,including discharging battery at constant current and limiting current simulation load of charging sets.

文章介绍了一种采用PTC热敏元件设计的恒流放电装置，着重介绍了对蓄电池组的恒流放电和作为充电机的限流模拟负载的工作原理，实现对蓄电池恒流放电。

This paper introduces a conductivity measurement unit of blood dialyzer of model AK100 and its functions.

本文介绍了AK100血透机电导测量单元组成和各部分作用，阐述电导度测量原理，提出了电导度低报警原因和解决办法。

Crystal Structure; Reciprocal Lattice; Crystal Binding; Phonon; Free Elecron Fermi Gas; Energy Bands; Semiconductor Crystals; Superconductivity; Dielectrics and Ferroelectrics; Diamagnetism and Paramagnetism; Ferromagnetism and Antifierromagnetism; Magnetic Resonance.

晶体结构、反商晶格、晶体链结、声子、自由电子费密气、能带、半导体晶体、超导体、介电材料与铁电材料、抗磁与顺磁、铁磁与反铁磁、磁与共振。

The intraperitonealLD_(50) values in mice of VES and VDPG were 0.16mg/kg and 0.39mg/kg,respectively. The intraperitoneal LD_(50) value in cockroach of VDPG andVES were 2.32μg/g and 1.87μg/g, respectively. After intraperitonealinjection of the venom in mice, the main poisoning symptoms includedlethargy, ataxia, diaphoresis, convulsion, anorexia, shortness of breath,and difficulty to open eyes, etc. Whereas the mice injected withphysiological saline acted normally.

两种粗毒都对小鼠和蜚蠊有较强的毒性，其中毒囊粗毒和电刺激粗毒对小鼠的LD_(50)值分别为0.39mg／kg和0.16mg／kg；毒囊粗毒和电刺激粗毒对蜚蠊的LD_(50)值分别为2.32μg／g和1.87μg／g体重；小鼠经腹腔注射粗毒后，出现无生气、共济失调、排汗、痉挛、食欲减退、呼吸短促、睁眼困难等症状，而注射生理盐水的小鼠活动正常。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。