Eigenvalues of Discrete Dirac Equations with Periodic and Antiperiodic Boundary Conditions

Regional research results were as follow: ① The antipollution capacity of the soil-groundwater system in Luanhe Delta was weak. This led that the declining quality of shallow groundwater and serious pollution.

区域研究成果如下：①研究区地下水防护性能研究与评价表明：滦河三角洲地区土壤&地下水系统防护性能较弱，导致滦河三角洲地区浅层地下水质量下降，大面积污染严重。

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Chinese officials have also reiterated plans to set up a national program for trading carbon permits, likely to be a cornerstone of its antipollution efforts, by as soon as 2016.

此外，中国官员还重申将建立全国性的碳排放许可交易制度，最早在2016年启动。这一制度可能会成为污染防治的基石。

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The current transformer is fully enclosed. The primary and secondary windings and iron core are insulated by epoxy resin. It has a good ability of antipollution and moisture proof.

本型电流互感器为全封闭结构，一、次绕组及铁芯均浇注在环氧树脂内，耐污染及潮湿。

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It is stated that advanced control and diagnostic sensors play a key role in car antipollution devices such as catalytic converters, electronic fuel injection, and exhaust-gas recycle systems.

本文论述了先进的控制型和诊断型传感器在催化转换器、电子喷油器和废气再循环系统等汽车防污染装置中所起的关键作用。

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Based on the migration and transportation models of three N and petroleum pollutants and combined the antipollution capacity of groundwater, the influence of the two pollutants on groundwater were assessed.

在三氮与石油类污染物迁移转化模型的基础上，预测了典型污染物对地下水影响程度。

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The field seep test, construction test and evaluation analysis for seep-prevention effect approved that deep mixed piles is a efficient means for groundwater antipollution.

通过现场截渗试验、施工及评估防渗效果分析，说明深层搅拌桩截渗墙处理是灰场地下水污染防治的有效方案。

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Based on the waste residue's pollution mode and antipollution mechanism and some experiments, the paper provide approaches on harmless disposal and comprehensive utilization of it.

本文从废渣的污染方式和解毒机理出发，通过试验研究了废渣的无害化处理方式，并在此基础上提出了其综合利用的途径。

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The improved digital variable displacement pump possesses such merits as strong antipollution ability, good repeatability, convenient interfacing with computer, and low cost.

改进后的数字变量泵具有抗污染能力强，重复性好，与计算机接口方便，价格低廉的优点；

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China also provides the ships' antipollution requirements in the areas of environmental protection, dangerous goods management, pollution control, ship inspection and so on.

我国在环境保护、危险品管理、污染防治、船舶检验等立法中也规定了船舶防污要求，但一般针对海洋和内河分别予以规范。

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A novel antipollution ultrafiltration membrane and reverse osmosis combined membrane process were applied for in the textile wastewater treatment and reuse.

文章研制了一种新型抗污染超滤膜，结合反渗透技术成功处理印染废水。

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Several newer antipollution car fiber-optic sensors are presented. The development of the sensor technology for reducing car emissions is outlined.

介绍了几种最新型防污染汽车的光纤传感器，概述了减少汽车排放物传感器技术的发展。

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The detector design consists of design and select of optic parts of an apparatus, circuit design, sampling area control and antipollution device design.

探测器的设计有：光学器件的设计和选取、电路的设计、采样区大小控制装置和防污染装置的设计。

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Improvement of PET Bottle Mouth Antipollution

PET饮料瓶瓶口的防污染改进

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Renewal of International Convention for prevention of pollution from ship urges the upgrading of antipollution equipment on ship.

由于国际船舶防污染公约的更新，船舶防污染设备的升级刻不容缓。

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The Studies on the Growth and Antipollution Effects of Mixed Forest Pinus massoniana × Schima superba

马尾松木荷混交林生长与抗污染效果研究

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The investigation of the environmental pollution by the exploration of copper mineral resources was made, and the antipollution measures were proposed.

对某铜矿在矿产资源开发中造成的环境污染作了调查，并提出了防污染措施。

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Evaluation of groundwater antipollution of Xinxiang City

新乡市地下水防污性能评价

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MPE films are getting wide application in antipollution packaging, anticorrosion packaging and fast liquid packaging.

在抗渗抗污染、抗化学腐蚀、带液快速包装中，茂金属聚乙烯薄膜正在得到广泛的应用。

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This paper introduces the designing of a moving coil electrohydraulic servo valve which improve the ability of antipollution.

通过对一种动圈电液伺服阀的液压桥路和具体参数的设计，提高了这种伺服阀抗污染的能力。

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Assessment of antipollution capacity of shallow groundwater in the plain area of western Jilin province based on GIS

基于GIS的吉林省西部平原区浅层地下水防污性能评价

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