This paper studied the effects of ammonia-N and sulfureted hydrogen on the livability, metamorphosis rate and daily growth of Portunus trituberculatus larvae.

研究了氨氮和硫化氫對三疣梭子蟹各期幼體存活率国产小视频你懂的在线观看百度、變態(tài)率和日生長率的影響人人人人人人人人操人人人人人人人人。

To analyze the cases of acute sulfureted hydrogen poisoning during the period of 1992 to 2004 and explore the relevant preventive countermeasures.

目的 對上海市1992~2004年急性硫化氫中毒事故進行分析乐播三级黄三区视频免费，探討急性硫化氫中毒事故的防治對策欧美A片精品。

From difference in polarization ability of cations, solubility of sulfide and sulfureted hydrogen system grouping .

從離子的極化能力大小出發(fā)，討論了離子極化能力對硫化物溶解度的影響及其與常見陽離子硫化氫系統(tǒng)分組法的關(guān)系

As the raise of sulfureted hydrogen concentration,all the parameters measured decreased gradually.

水體中的氨氮和硫化氫濃度會隨著育苗的進行而逐漸升高欧美午夜天堂，當氨氮或者硫

As we all know,in the sewage there contains a great deal of poisonous gas ,such as CO,CO2,methane and sulfureted hydrogen etc.

人們都知道男人天堂AV综合网，排污管道中含有大量的臭素、二氧化碳亚洲第一区第二区在线、甲烷体内射精视免费网站、硫化氫等有害氣體。

Futhermore, the specificity of PCR was confirmed by sulfureted hydrogen test and serological identification.

硫化氫和血清學試驗結(jié)果也符合相應(yīng)種布魯氏菌的特點国产三级黄片视频。

Meanwhile the characteristics of reducing Cr through sulfureted hydrogen approach, electron transfer approach and adsorption approach were studied.

并從H2S還原途徑亚洲色婷婷啪啪一区二区、電子傳遞途徑以及胞外聚合物吸附途徑研究SRB7菌體整體去除Cr的特性。

At the same time,the sulfur dioxide and sulfureted hydrogen discharged by the gangue self-ignite heavily pollute the atmosphere and mine ecological environment.

同時矸石山自燃排放大量的二氧化硫和硫化氫氣體免费看在线a片，導致大氣嚴重污染，對礦山生態(tài)環(huán)境造成了嚴重的污染18禁止在线。

Lignin reticulated polyurethane would be used as a filling in biological sulfureted hydrogen treatment, which was not only a fit medium for bacteria but also a merchandise.

木質(zhì)素聚氨酯泡沫塑料是一種既適合微生物生長又易于商品化的處理硫化氫廢氣用填料外国黄色网址，這種新用途在國內(nèi)外尚未見報道。

In order to seek gas compressor, cooler and other equipments serious ash deposition reason in the fuel gas generating equipment system, data analysis discovers that system deposition mostly come from sulfureted hydrogen in coke oven gas by gas ash content and component measurement.

為尋求燃氣發(fā)電系統(tǒng)中煤氣壓縮機91国内在线高清，冷卻器等設(shè)備積灰嚴重的原因国产又黄又爽又色又湿，由燃氣的灰含量及其成分的測定數(shù)據(jù)分析發(fā)現(xiàn)，系統(tǒng)的積灰主要是來自焦爐煤氣中的硫化氫免费特黄一级欧美片久久久久，因此控制煤氣中的硫化氫含量是關(guān)鍵欧美美女高潮潮喷。