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Lead and selenium mainly exist in galena, clausthalite, and selenio-galena which occur as cell-filling of coal-forming plants and are of chemical-sedimentary origin.

铅和硒主要赋存在方铅、硒铅和硒方铅中,这3以植胞腔充填形式出现,属于化学沉积成因。

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The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机为助催化剂,对氯硝基苯和二甲为反应底,经高选择性氧化还原羰基化一步合成灭草隆除草剂。

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The results indicated that the trace elements molybdenum and zirconium increased considerably the gas yields of the lignitic organic matter while selenium did not.

分析结果表明,除硒外,随着钼的加入,褐煤有机质气态产的生成量显著提高。

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The high quantily of proteinfat and the concentration of IronZinc and Selenium ions in the medium is more advantageous to bioconcentration of edible fungi.

提高培养基中蛋白质、脂肪和铁、锌、硒的浓度,有利于食用菌对铁、锌、硒的富集。

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Objective: To observe the effect of selenium on the TSH positive cells in the pituitary pars distalis of rat with colon mucosa cancer induced by azoxymethane (AOM).

观察硒对氧化偶氮甲烷(AOM)所致大鼠结肠癌形成过程中,垂体远侧部促甲状腺激(TSH)阳性细胞的影响。

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VOA Special 2017年9月合集

One of the newly identified genes is involved in how the body uses the mineral selenium.

新发现的基因涉及到人体如何利用矿物质硒。

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美丽新世界

" That one, then. The roll unwinds. The selenium cells transform the light impulses into sound waves, and … "

“那一个,然后,录音带展开,硒质光电管把光波转化为声波,于… … 。”

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问答进

I busted open Python, imported selenium, and started scraping or tried to.

打开了Python,导入了selenium,然后开始抓取或尝试这样做。

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剑桥际2

These foods have a lot of selenium.

这些食物含有大量的硒。

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潘潘

Another woman was commending her selenium cell.

另一位妇女正在推荐的硒光电管。

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剑桥际2

Selenium is a mineral that helps people feel more relaxed and happy.

一种矿物质,可以帮助人们感到更加放松和快乐。

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VOA Special 2014年1月合集

Professor Baum says she thought the multivitamins by themselves or selenium by itself would help strengthen the immune system. She was wrong.

Baum教授说原来认为复合维生素和硒自身都能增强免疫力,错了。

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剑桥际2

You can also try eating a Brazil nut everyday. One Brazil nut contains a lot of selenium.

您也可以尝试每天吃一颗巴西坚果。一颗巴西坚果含有大量硒。

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科学60秒-科学美人 2023年4月合集

There are microbes that can breathe palladium and copper and nickel and antimony and vanadium and selenium and all these things. And arsenic.

有一些微生物可以呼吸钯、铜、镍、锑、钒、硒和所有这些东西。还有砷。

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复习

Indian mustard, native to Pakistan and India, has been effective in reducing levels of selenium salts by 50 percent in contaminated soils.

印度芥末原产于巴基斯坦和印度,可以有效地将受污染土壤的硒盐含量降低 50%。

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VOA Special 2014年1月合集

The adults were divided into groups.Each group got different combinations of vitamins B, C and E, the mineral selenium, or a harmless substance -- a placebo.

这些病人被分为几个组,每个组得到维生素B、C、E的不同组合、矿物质硒,或者无害的安慰片。

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万物简史

We couldn't even give them lunch because all our foods contain traces of manganese, selenium, zinc, and other elemental particles at least some of which would be poisonous to them.

们甚至无法招待他们吃午饭,因为们的食物里都含有微量锰、硒、锌,和别的元素粒子,起码其有一些对他们来说有毒性的。

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问答进

It's just time consuming for the nerds watching I'm using Python, Selenium and Beautiful soup as well as a VPN because I don't want my actual IP address to get blacklisted.

对于那些看使用 Python、Selenium 和 Beautiful soup 以及 VPN 的书呆子来说,这只浪费时间,因为不希望的实际 IP 地址被列入黑名单。

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