In this paper both lead borate sealing glasses and lead free phosphate sealing glasses are studied.

本文研究了含鉛的硼酸鹽封接玻璃和無(wú)鉛磷酸鹽封接玻璃亚洲自拍高清无码。

To investigate the lead toxicity on water caltrop, activities of superoxide dismutase and peroxidase, ultrastructure in leaves of seedlings, treated with different concentration of lead solution, were analyzed.

不同濃度Pb(上標(biāo) 2+)溶液處理菱幼苗后，考察了菱幼苗的超氧化物歧化酶美女医生被操免费网站、過(guò)氧化物酶以及葉細(xì)胞亞顯微結(jié)構(gòu)出現(xiàn)的變化不卡欧av在线天堂，并初步探討了Pb(上標(biāo) 2+)的毒性機(jī)理。

Because of these advantages of the lead oxide, the lead oxide thin films are widely used in the transparent conductive oxide thin films, camera tube, photoconductive detector, electrode materials, gas sensor and many other fields.

本文綜合論述了金屬氧化物薄膜的一些主要的制備方法亚洲欧美激情一区二区，氧化鉛的基本性質(zhì)以及在現(xiàn)代技術(shù)中的一些應(yīng)用和最新的進(jìn)展又粗又长又硬的视频，首次采用直流反應(yīng)磁控濺射方法制備了氧化鉛薄膜，并研究了工藝參數(shù)對(duì)氧化鉛薄膜的晶體結(jié)構(gòu)口爆吞精一区二区久久，光學(xué)性質(zhì)的影響日本性爱三级片免费在线播放。

A mineral consisting of lead carbonate that is an important source of lead.

一種由鉛的重要來(lái)源鉛碳酸鹽構(gòu)成的礦物欧洲黄片毛片。

Loss of cassava crops could lead to hunger. And hunger can lead to migration and conflict.

木薯作物的損失可能會(huì)導(dǎo)致饑荒，而饑荒會(huì)導(dǎo)致遷徙和沖突免费乱轮黄色网址。

"Lead 鉛",5,Lead in glass of cathode ray tubes, electronic components and fluorescent tubes.

2002/95/EC 陰極射線管免费一级持黄网、電子部件和發(fā)光管等玻璃內(nèi)的鉛含

Jinding lead-zinc deposit, a famous super large ore deposit, has considerable reserve of lead, zinc, gypsum, celestite and pyrite.

云南金頂?shù)V床是著名的超大型礦床，不僅有可觀的鉛鋅儲(chǔ)量国产免费观看黄页影视网站，而且在礦區(qū)不到10km2的范圍內(nèi)還有大型的石膏礦和天青石礦人干人操人，以及中型的硫鐵礦。

Any of several yellow pigments consisting of normal lead chromate and other lead compounds.

任何由常態(tài)的鉻酸鉛和其他鉛化合物組成的黃色顏料欧美性爱操比黄色视频在线观看。

Shanghai Blue Cat cartoon products produced by roly-poly clown chrome yellow paint over the green, yellow, green, orange excessive lead paint as much as 20 times, said detection of such a high lead content are not found in the past, detection of.

上海藍(lán)貓卡通產(chǎn)品的不倒翁生產(chǎn)的聚小丑在綠色黄片三级片a片，黃色，綠色A片在线，橙色高達(dá)20倍福利彩漫，過(guò)量含鉛油漆鉻黃顏料，說(shuō)国产调教视频一区二区，這么高的鉛含量檢測(cè)不過(guò)去，檢測(cè)發(fā)現(xiàn)久久综合精品视频7。

The feasibility analysis of lead chrome yellow production technology showed that the concentration of total lead in the wastewater was 0.018 mg/L and the concentration of chrome was 4.160×10^(-8) nig/L, which both accorded with the discharge standards.

結(jié)果］鉛鉻黃生產(chǎn)工藝的可行性分析表明91插插网，廢水中的總鉛濃度為0.018 mg/L，鉻的濃度為4.160×10^(-8) mg/L特板人人操556，均符合排放標(biāo)準(zhǔn)日韩欧美精品中文字幕。