重氮分解物 的英文怎麼說
中文拼音 [zhòngdànfēnjiěwù]
重氮分解物
英文
diazosoplit- 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)
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 解 : 解動詞(解送) send under guard
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
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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。The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level
幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用;但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。The reaction mechanism and synthetic application of - diazo carbonyl compounds
-重氮羰基化合物分解反應的機理以及合成應用At the same time, especially in air two peaks turned little and became a continuous process at low heating rate ( 5 c / min ). the residue was 15 % in air compared to 3 % in n2, because pdms turned into sio2 of solid state in air, but ds of gas state in na
發現在氮氣氣氛中的殘留物重為3 ,而在空氣下為15 ,這是因為聚硅氧烷在氮氣中分解成環三硅氧烷揮發了,而在空氣中形sio _ 2 。6. the irrigation using polluted water with high organic matter and tn is good for plant growing and environmental improvement, and the clear water for irrigation is not economic
潔水灌溉是不經濟的,農田對于高濃度有機氮污水有很好的降解和吸收養分的功效,用不含重金屬和有毒物的污水進行灌溉有助改善環境。This course demonstrate the important sorts of wastewater analysis, it includes chemical oxygen demand ( cod ), biochemical oxygen demand ( bod ), suspended solids ( ss ), volatile suspended solids ( vss ), ammonia nitrogen, organic nitrogen, nitrite nitrogen, nitrate nitrogen, orthophosphate, total phosphate, sulfate, and sulfide
本課程包含污水分析重要項目的原理解說及實驗分析,分析項目包括:化學需氧量、生化需氧量、懸浮固體物、揮發性懸浮固體物、氨氮、有機氮、亞硝酸鹽氮、硝酸鹽氮、正磷酸鹽、總磷、硫酸鹽及硫化物。Little is known about how to control anpsp due to lack of the related theory and practical experience. especially there is no satisfactory measure to reduce the runoff and leaching of n and p from agriculture into rivers and lakes. it ' s very significant in both theory and realism to reduce agricultural non - point source pollution and protect our ecological environment for realizing the harmonious development of resource, environment and agriculture in china
農業面源污染是困擾我國社會、經濟持續發展的一個嚴重的環境問題,主要是由於農業面源污染具有量大面廣、分散的特點,並受自然條件突發性、偶然性和隨機性的制約,現階段我們對農業面源污染情況的了解程度遠遠不如點源污染,還缺乏整治的相關理論基礎和實踐經驗,減少污染物尤其是氮、磷營養的排放具有相當大的難度,因此控制農業面源污染、保護和優化生態環境對實現我國資源、環境和農業協調發展有重要的理論和現實意義。Abstract : effective removal of no by catalytic process has attracted extensive attentions and a host of the novel catalysts have been developed in the last decade
文摘:如何看效地脫除氮氧化物是目前空氣污染治理的一個重點和難點,催化還原和催化分解是目前研究得較多的脫除氮氧化物方法。The changes of specific surface area before and after sintering were measured by nitrogen adsorption. the results show that the surface of sioi particles become coarser along with the remove of polymer template, but the particle size keep no change. the composite microspheres include more uf polymer under low ph value but turn into more looser under high ph value, so the result mesoporous sioi microspheres have big pore volume and average pore size
對脲醛sio _ 2復合微球進行熱處理后得到介孔二氧化硅微球,用示差掃描量熱( dsc )熱重( tg )分析研究了脲醛sio _ 2復合微球的脫水、脫醇及有機物炭化分解的過程;用氮氣吸附法分析了不同ph值、熱處理溫度對介孔二氧化硅微球的比表面積及孔結構的變化影響;用sem表徵了不同ph值下二氧化硅微球的形貌變化。分享友人