重氮氧化物 的英文怎麼說
中文拼音 [zhòngdànyǎnghuàwù]
重氮氧化物
英文
diazo oxide- 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)
- 氧 : 名詞[化學] (氣體元素) oxygen (o)
- 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...
- 氧化物 : oxide; oxyde; oxidizing material; oxidate
- 氧化 : [化學] oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-
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One of wetland s function is to filter the pollutants. when the river goes through wetland with pollutants, the hydrophyte will slow down the speed of the stream and attract heavy metal so that those pollutants will steep in the ground. the chemical reaction of nitrogen and phosphorus from those water plants prevent water from oxidation
濕地具有過濾污染物的功能,當河水挾帶著污染物流經濕地時,濕地上的水生植物,會使水流速度減緩,吸附重金屬,且讓污染物沈澱在濕地的底部,並藉著植物留存氮和磷,來預防水質優氧化。Soil microbial biomass carbon, microbial biomass nitrogen, soil basal respiration and metabolic quotient all showed a decreasing trend under more than 15 mg. kg - 1 cadmium or more than 200 mg. kg - 1 lead, respectively. soil dehydrogenase, urease and acid phosphotase activities have a significant decrease, and the activities of soil catalase and invertase taking sencond place, while soil protease activities showed stable state
隨重金屬濃度增加,各指標下降幅度各有差別,其中微生物生物量碳、微生物生物量氮以及基礎呼吸和微生物代謝商隨重金屬濃度增加而明顯下降;土壤脫氫酶、脲酶、酸性磷酸酶活性的下降幅度較為明顯,過氧化氫酶、蔗糖酶活性次之,蛋白酶活性較為穩定。Based on the method of fuzzy mathematical comprehensive evaluation, this paper assesses the quality of atmosphere in wuhan with selecting so2, no2 and pm10 as evaluation factors, consulting the standards relevant to atmosphere environment and building the attaching function and the weight muster
摘要運用模糊綜合評判的方法,選取二氧化硫、二氧化氮和可吸入顆粒物作為評價因子,參照我國環境空氣質量標準,通過建立各污染物的隸屬函數和權重集,計算出各污染物的隸屬度和權重分配系數,進而對武漢市空氣質量進行模糊綜合評判。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。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。The biological importance of no was first suggested by the observations that the drug nitroglycerin widens the blood vessels and lowers blood pressure by liberating no directly in the blood vessel
當醫學界發現藥物硝化甘油能將一氧化氮直接釋放到血管中,從而令血管舒張和血壓下降后,就開始留意一氧化氮對生物學的重要意義。Electrolytic polishing needs expensive equipments and jigs ; and chemical polishing make worse damage to environment and workers. easily make cyber - flashing sand plane
電解拋光設備投資大,需特殊夾具;化學拋光和電解拋光產生的氮氧化物和酸霧等嚴重污染環境並毒害人體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。Cubic boron nitride ( c - bn ) thin films have significant and potential technological application prospect in cutting tools, electronic and optical devices, etc. because c - bn possesses excellent physical and chemical properties, such as ultrahigh hardness only inferior to diamond, inertness against oxidation at high temperature, uneasy reaction with iron group metal, as well as the possibility of using as n - and p - type doped semiconductors
立方氮化硼( c - bn )具有優異的物理化學性質,如僅次於金剛石的硬度、高溫下強的抗氧化能力、不易與鐵族金屬反應、可n型摻雜也可p型摻雜成為半導體等,立方氮化硼( c - bn )薄膜在切削刀具、電子和光學器件等方面有著潛在的重要應用前景。Cubic boron nitride ( cbn ) thin films have significant and potential technological application prospect in cutting tools, electronic and optical devices, etc., because cbn possesses excellent physical and chemical properties, such as ultrahigh hardness only inferior to diamond, inertness against oxidation at high temperature, uneasy reaction with iron group metal, as well as the possibility of using as n - and p - type doped semiconductors
立方氮化硼( cbn )具有優異的物理化學性質,如僅次於金剛石的硬度、高溫下強的抗氧化能力、不易與鐵族金屬反應、可n型摻雜也可p型摻雜成為半導體等,立方氮化硼( cbn )薄膜在切削刀具、電子和光學器件等方面有著潛在的重要應用前景。The emphasis is put on the electrochemical no ( subscript x ) sensors and the feasibility is dicussed for determination of nitrogen oxides using solid polymer electrolyte
重點討論了氮氧化物電化學傳感器,並研究了利用固體聚合物作為電解質進行氮氧化物氣體檢測的可行性。Nitrification, performed oxidation of ammonia to nitrate by nitrifying bacteria is a key process in the cycling of nitrogen and an impotent component of modern wastewater treatment
由硝化細菌催化氨氮氧化的硝化作用是氮循環的關鍵步驟,也是現代污水處理廠生物處理氨氮廢水的重要環節。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 protein sequence of nos from 25 difference animals was alignment use clustalw and mega software. the amino acid sequences of nos have apparent difference and have conservative property in some important domain. the variance of this molecule is correlated to the phylogeny of these animals
運用clustalw和mega軟體對動物界已知的25種一氧化氮合酶蛋白質序列的比較發現,一氧化氮合酶分子的氨基酸序列既存在明顯的分歧,同時一些重要功能區又表現出較高的保守性。In the experiment, crude magnesium hydroxide from salt lake industry was used as the raw material, magnesium hydroxide dissolved and formed crystals again by hydrothermal treatment
摘要以鹽湖工業副產物氮氧化鐵作為原料,在水熱條件下,對氫氧化鎂進行溶解重結晶除雜。Investigation of a severe acute nitrogen oxide poisoning
一起重度急性氮氧化物中毒事故的調查Early diagnosis and treatment of an acute severe poisoning case caused by nitrogen oxide compound
一例急性重度氮氧化物中毒的早期診斷與救治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。Their emissions are especially damaging, too ? partly because the nitrogen oxides from jet - engine exhausts help create ozone, a potent greenhouse gas, and partly because the pretty trails that aircraft leave behind them help make the clouds that can intensify the greenhouse effect
他們製造出的排放物質對大氣層的破壞也尤為嚴重? ?這一方面是由於噴氣式發動機工作產生的氮氧化物會促使臭氧的形成,而臭氧是一種強溫室氣體;另一方面是飛機掠過后留下的漂亮尾跡會有助於雲的形成,從而加強溫室效應。分享友人