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- Metal contamination in Czochralski (CZ) silicon wafers is one of the important issues in device fabrication processes. 在集成电路工艺过程中,金属玷污会对器件的性能有着致命的影响。
- ResultsThere were different degrees of the increase of micronucleus,organics and heavy metal contamination. 该市东郊农村生活饮用水有不同程度的微核增高,有机物、重金属污染。
- Heavy metals contamination is the main type of soil contamination. 重金属污染是土壤污染的主要类型之一。
- For example, we can detect the presence of invisible accumulated poison and precisely measure the degree of heavy metal contamination of the body. 例如,我们可以测出体内所累积的看不见的毒素,也可以很精密地测量出人体被重金属污染的程度。
- Premium Wafer- A wafer that can be used for particle counting, measuring pattern resolution in the photolithography process, and metal contamination monitoring. 测试晶圆片-影印过程中用于颗粒计算、量溶解度和检测金属污染的晶圆片。
- So the heavy metal contamination of soilsand crops by metalliferous mining activities in Jiuhua copper mine, located in easternNanjing city, jiangsu province was surveyed. 本文选取江苏九华铜矿区,对其农田土壤、作物的重金属污染状况进行了详细调查。
- Heavy metal contamination of soils as a result of industrial discharge is a serious threat to human and animals' health because bioaccumulation in the food chain. 由于工业"三废"的排放,使土壤遭受不同程度的重金属污染。
- Heavy metal contamination of agricultural soils as a result of industrial discharge is a serious threat to human and animals' health because bioaccumulation in the food chain. 由于工业“三废”的排放,使农田遭受不同程度重金属的污染,重金属通过在作物体内富集进入食物链,对人畜健康构成了威胁。
- Heavy metal contamination of agricultural soils as a result of industrial discharge is a serious threat to human and animals' health because of bioaccumulation in the food chain. 摘要由于工业“三废”的排放,使农田遭受不同程度重金属的污染,重金属通过在作物体内富集进入食物链,对人畜健康构成了威胁。
- Analytical results showed that the superstandard rate of Cu was more lower than that of Pb, heavy metal contamination of tea samples during processing and packaging... 结果显示,样品中铜的超标率远远低于铅的超标率,样品在生产、包装过程中重金属污染较为严重,其中常规茶样品在生产加工、包装过程中的污染情况较有机茶更为严重。
- Premium Wafer - A wafer that can be used for particle counting, measuring pattern resolution in the photolithography process, and metal contamination monitoring. 测试晶圆片-影印过程中用于颗粒计算、测量溶解度和检测金属污染的晶圆片。
- Product must be destroyed if the metal contaminant cannot be found. 如果金属污染物无法发现;产品必须进行销毁.
- In the end of this review, problems existing in and prospects of the application of Collembola in the ecological risk assessment of heavy metal contamination of soils are analyzed and discussed. 最后对弹尾目昆虫在重金属污染土壤生态风险评估应用中目前存在的一些问题和应用前景进行了分析讨论。
- The analysis and measures are givenfor equipment corrosion, product treating, sulfur recovery and heavy metal contamination, etc. in processingthe high-sulfur crude oil from the Middle East. 对今后加工中东原油将产生的设备腐蚀、产品精制、硫回收和重金属污染等问题进行了分析,提出了相应的措施;
- Soil contamination especially heavy metal pollution was a severe problem.Many gove rnments and scholars were paying much attention to the remediation of heavy metal contamination in soil. 土壤污染是当今面临的一个严峻的问题,其中重金属污染尤为严重,因此重金属污染土壤的修复日益受到各国政府和学者的重视。
- On the whole, CGP-C catalyst exhibited excellent product slates and good tolerance to metals contamination. CGP-C催化剂具有很好的产品选择性和抗金属污染性能。
- Generally, soils possess net electric charge which could attract metal cation.We could use of this property to adsorb metal cations or replace inorganic cations and remove heavy metal contamination. 由于一般土壤大多带阴电荷,所以可用来吸附金属阳离子,并利用此特性进行土壤中重金属污染之吸持或取代去除。
- Meanwhile, Salicide-Block process is applied on photo diode area to avoid heavy metal contamination during Salicide formation, then dark current caused by heavy metal defect is suppressed. 同时,采用了对像素区域进行SAB遮盖的方法,避免了硅化物工艺带来的重金属污染,从而降低了暗电流。
- Objective: To determine the status of heavy metals contamination in growing area soils and young fruits of Citrus grandis. 目的:对化州市化橘红主产区土壤和化橘红幼果的重金属元素污染状况进行分析、评价。
- QA must thoroughly inspect the finished product which has activated the metal detector for any metal contaminants. 对任何金属污染物都测试失败的产品;QA必须彻底的进行检查.