重氮類 的英文怎麼說

中文拼音 [zhòngdànlèi]
重氮類 英文
diazotype
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  1. It can also restrain the decomposition of organic substances in the soil and the bind of nitrogen, and wash away the nutritious elements, such as magnesium, calcium, and potassium. the acid rain deprives the soil. it acidifies the rivers and lakes, and dissolves the heavy metal in the soil into water, therefore poisons the fish

    它可以直接使大片森林死亡，農作物枯萎；也會抑制土壤中有機物的分解和氮的固定，淋洗與土壤粒子結合的鈣、鎂、鉀等營養元素，使土壤貧瘠化；還可使湖泊、河流酸化，並溶解土壤和水體底泥中的重金屬進入水中，毒害魚類；加速建築物和文物古跡的腐蝕和風化過程；可能危及人體健康。
  2. The first liquid oxygen and liquid nitrogen equipments of xichang and jiuquan satellite lauching base run normally until now, which has made important contribution for our coutry ' s aviation and spaceligh enterprise, thus attained national defense sicience and industry committ ' s appreciation

    提供大連日酸氣體公司的氮液化設備，開創了日酸公司首用國產成套設備的先河；哈爾濱黎明氣體公司和成都僑源氣體公司則是我公司大型液氧液氮設備的重點用戶，由於過硬的技術和穩定的質量，短短二、三年時間內，這些用戶相繼增購了多套同類產品。
  3. Erlongshan reservoir water quality was evaluated for class and class by monitoring continuously indexes and was unable to meet the requirement of central drinking water source due to higher cod ( subscript mn ), tn and tp and eutrophic environment

    摘要連續監測和分析了二龍山水庫的水質，對水污染程度進行了評價，水庫高錳酸鹽指數、總氮和總磷超標嚴重，呈現富營養化狀態，總體水質為類和類，已無法滿足集中式生活飲用水水源地的水質要求。
  4. The algae multiplied massively in suitable environment, and made the amount of available phosphorus in soil increase significantly. the influence of the base matter on available phosphorus in soil was much more significant. in the second step, nostoc commune and chlamydomonas sajao lewin were inoculated of different inoculation quantities to the barren soils

    實驗是在貧瘠土壤種接種具有固氮能力的念珠藻（藍藻類）和沙角衣藻（陸生綠藻） ，在0 . 1g 、 0 . 5g 、 1 . 0g 、 2 . 0g濕藻重500g土重的不同濃度梯度進行接種，進行常溫下培養。
  5. As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir

    本文調查了千島湖流域的自然資源和農業生產情況，研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律，利用annagnps模型估算流域農業非點源污染物輸入負荷，並在千島湖內設點采樣，對水質理化指標和浮游植物群落進行系統的研究，得出以下結論： 1989 2001年間的水環境常規監測資料統計分析表明，有毒物質和重金屬濃度長期在監測下限內， no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃度均符合類標準，但湖泊水庫特定項目tn和tp濃度分別為超類和類，呈嚴重超標狀況，湖區主要污染因子是將導致富營養化的物質tn和tp 。
  6. N sources ( including organic and inorganic n tested ) and c sources tested could restrain methane oxidation. cellulose inhibited methane oxidation most weakly while the high concentration of methanol and glucose did dramatically, but the proper concentration of methanol could stimulate soil methane oxidation sharply. in the middle process of methane oxidation, addition of glucose could restrain methane oxidation shortly but the inhibition could be relieved about 5 days later when supplied again with enough oxygen

    土壤微生物是甲烷氧化的主要生物類群，含水量對土壤甲烷氧化活性有明顯影響，過高或過低對甲烷氧化均具有抑制作用；氮源（包括有機和無機氮源）對甲烷氧化均有抑制作用；不同碳源對甲烷氧化的影響各異，纖維素對甲烷氧化抑制作用最小，而高濃度的甲醇、葡萄糖則對甲烷氧化具有強烈抑制作用；而適當濃度的甲醇可極大促進土壤對甲烷的氧化：在甲烷氧化過程中加入葡萄糖能迅速抑制甲烷氧化；在加入葡萄糖的同時保持瓶中充足的氧氣，則這種抑制作用可以在重新培養一定時間后得到解除。
  7. Since the contamination of the original water, the pollutant in the water such as organic substance, ammonia nitrogen, algae toxin, finally nitrate, pelagic microbe and so on, whose concentration and species are becoming higher and more, deteriorate the quality of drinking water seriously

    由於水源受到污染，水中的有機物、氨氮和硝酸鹽氮、藻類及毒素、浮遊動物等污染物的含量和種類不斷增多，嚴重影響了飲用水水質。
  8. At the late of 1980s, available evidence indicated that there presented a kind of proteins specific for nitrogen storage in vegetative organs of woody plants, and, thus, the proteins were defined as vegetative storage proteins

    二十世紀八十年代後期，樹木氮貯藏研究獲得了重大進展：在樹木的營養器官中發現一類專門的貯藏蛋白質，稱之為營養貯藏蛋白質。
  9. The diazirines are interesting, highly strained ring systems.

    偶氮雜環丙烷是一類重要的、環內張力頗大的化合物。
  10. Nitrogen oxides ( nox ) have been recognized as acid rain precursor that impose a significant threat to the environment. coal combustion of power plant boilers is a major anthropogenic source of nox during the past decade, our government pay more and more attention to environment protection

    氮的氧化物（即no _ x ）已經被公認為是造成酸雨的主要氣體之一，火電廠燃煤產生的氮氧化物是人類排放no _ x的主要來源，它嚴重地威脅著自然環境和人類的健康。
  11. Benzothiazepine can be devided into four types according to structure, i. e. 1, 3 -, 1, 4 -, 4, 1 - and 1, 5 - benzoth - iazepine

    苯並硫氮雜?類化合物佔有非常重要的位置。
  12. Abstract : a review with 45 references is given on the application of triazene chromogenic reagents in photometric analysis of cadmium since 1985 with emphases on some high sensitivity and choice chromogenic reagents

    文摘:介紹了1985年以來三氮烯類顯色劑在鎘光度分析中的應用，著重介紹了靈敏度高、選擇性好的顯色劑。
  13. Some attention is also being given to the development of asymmetrical triazines.

    對于不對稱的三氮雜苯類的發展也給予很大的重視。
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