重氮的 的英文怎麼說
中文拼音 [zhòngdànde]
重氮的
英文
diazo-
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。Test procedures for duplicating 35 - mm diazo microfilm aperture cards
35mm重氮縮微照相檢索穿孔卡復制的試驗程序In order to prove the anti - fatigue function, we do the experiment of mouse swimming with a heavy burden, the test of lactic acid, the test of lactic acid deoxidizing enzyme and the test of serum urea nitrogen respectively
為正實抗疲勞功能,分別作了蛇精口服液小鼠負重遊泳實驗,乳酸的測定,乳酸脫氧酶的測定,血清尿素氮的測定等四個項目試驗。Microfilm technics ; diazo - copies, determination of the optimum exposure
縮微拍照技術.重氮復制.最佳曝光的測定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Photography. ammonia processed diazo photographic film. specification for stability
攝影.氨沖洗過的重氮攝影膠片.穩定性規范Imaging materials - ammonia - processed diazo photographic film - specifications for stability
成象材料.氨水處理重氮攝影膠片.穩定性的規范Two ammonia - free digital plan copiers were purchased to replace the diazo machines for film development
已購買兩部無需使用氨氣的數碼印圖機,以取代重氮曬圖機。Many groups can be added by nucleophilic substitution on a diazonium salt.
許多基團可通過向得自膠的重氮鹽作親核取代而加以導入。Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.
大多數連于芳核能被直接取代的基團僅限於重氮鹽。A review of the development of organic semiconductor composite photo - conductive materials and devices was followed by a proposal of the researching theme in this thesis. the effects of fabrication arts such as solvents, gradient, interfacial layer and configurations on the photoconductive properties of the single - layer chlorodiane blue azo / tiopc composite photoreceptors were systematically studied in chapter ii. the results showed that the solvent played a decisive role in the multiphase and multicomponent system composed of two photogeneration species ( chlorodiane blue azo and tiopc ), a transporting material ( hydrozone ) and polymer binder ; 1, 4 - dioxane, as an amphiphilic solvent can effectively disperse and stabilize such multiphase and multicomponent systems, the derived photoreceptors presented improved photoconductive properties superior to those of dual - layer counterparts and demonstrated the evident synergetic enhancement and complementary effects ( eg
結果表明:在由兩種光生材料氯丹藍偶氮和酞菁氧鈦、傳輸材料萘苯腙以及聚合物介質組成的多相多組分復合體系中,分散溶劑是至關重要的因素,二氧六環作為典型的雙親性溶劑,有效地分散和穩定了該多相多組分復合體系,得到的復合單層光導體的光敏性在整體上優于雙層光導體,復合材料在可見光和近紅外光區分別表現出的偶氮和酞菁氧鈦的光敏性(如azo / tiopc = 8 / 2 , cgm / ctm / pc = 1 / 120 / 120時,具有明顯的互補效應;在近紅外光區明顯高於酞菁氧鈦與偶氮光敏性的線性加和,表現出協同增強正效應。Nitrogen manuring is essential to get a good yield of cut herbage.
為了獲得刈割牧草良好的產量,使用氮肥是極為重要的。Can effectively promote the diazo decomposition and resulted in selective intramolecular n - h insertion. on the other hand, the wolff rearrangement of the
在-重氮羰基化合物的合成應用方面,發現了cu acacAnaerobic ammonium oxidation ( anammox ) is a newly discovered process in nitrogen cycle in aquatic systems, and it plays a significant role in the conversion of nitrogen
厭氧氨氧化過程是水生生態系統氮循環中的氮轉化新途徑,並在自然界氮素的轉化過程起著重要的作用。C - plane sapphire substrate for opto - electronic applications as nitride based led is one of the latest additions to our sapphire product line. over the years, sapphire has proven to be a reliable base substrate to grow gallium nitride epitaxial film for high brightness led
C -軸切型的藍寶石是近年來應用在生長氮化鎵藍光led重要的基材。兆晶科技新近增加此產品以因應光電業者殷切的需求。Abstract : synthesis of sterically hindered dicyclohexylmethyl 、 l - menthyl and tert - butyl diazoacetate by diazo transfer was described on this paper
文摘:研究了用重氮轉移法合成具有較大空間位阻的重氮乙酸二環己基甲酯、 l -薄荷酯和叔丁酯。It has an important reality meaning to apply urea reasonable, to control nitrogen loss in the paddy - field and to protect water ecology and environment
對于合理施肥、控制稻田氮素流失、保護地表水體生態環境具有極其重要的現實意義。In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor
針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。The structure tests showed that n2 partial pressure could change the percent of sp ^ c in cnx coatings the effects of cnx and dlc coatings on mouse fibroblasts and human endothelial cells were determined by scanning electron microscopy
研究發現,在其它條件一定的情況下,氮氣分壓對薄膜n含量的影響是至關重要的。隨著n _ 2氣分壓的增大, cn膜中的n含量增加。Nitrogen fixation trees of leguminosae and non - leguminosae are important biological nitrogen fixation resources
摘要豆科及非豆科固氮樹種是重要的生物固n資源。分享友人