正酸 的英文怎麼說

中文拼音 [zhēngsuān]
正酸 英文
normal acid
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 酸構詞成分。
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈性或微性,並隨海拔上升, ph值略微降低,性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. It is widely used in pharmaceutical, perfumery, leather and chemical industry ; as compound cyclizing agent in organic synthesis, acidifier and dehydrant ; as substitute of ortho - phosphoric acid

    多聚磷廣泛用於藥香料皮革化工等行業,在有機合成中用作化合物環化劑化劑和脫水劑,另外還可作為的代用品等。
  3. She was a really generous girl, and allowed no further bitterness to mar their adieux.

    她是一個真寬宏大量的女孩子,在告別時,她沒有露出悲憤辛來,沒有使告別剎盡風景。
  4. Differential thermal analysis did not reveal the ammonium perchlorate phase change from rhombic to cubic.

    差熱分析沒有測出過氯銨從交晶向立方晶的相變。
  5. On the base of degrading effect of cm, the paper investigated the correlation between microorganisms and nutrient salt in the water body. it showed that the correlation between ammonifying bacteria and nh3 - n was 0. 74 ; the correlations between nitrifying bacteria, denitrifying bacteria and no _ ( 3 ) - n were 0. 65, - 0. 53, respectively. the correlation between phosphorus bacteria and po _ ( 4 ) ~ ( 3 ) p was 0. 76

    根據復合微生物對水質的降解效果,選擇其使用量為2g時,對水體中微生物功能菌群與營養鹽含量的相關性進行了研究,其中氨化菌與氨氮,硝化菌與硝氮,磷細菌與磷鹽均成相關關系,相關性r分別為0 . 74 , 0 . 65 , 0 . 76 。
  6. Catalytic synthesis of n - amyl acetate with solid superacid so2 - 4 tio2 - wo

    3催化合成乙戊酯
  7. Endovascular embolization of cerebral arteriovenous malformation with nbca glue

    氰基丙烯丁酯液體膠栓塞治療腦動靜脈畸形
  8. This is the appearance of normal bone marrow smear at high magnification. note the presence of an eosinophilic myelocyte, a basophilic myelocyte, and a plasma cell

    高倍鏡下的常骨髓塗片,可見一個嗜性中幼粒細胞,一個嗜堿性中幼粒細胞和一個漿細胞。
  9. The results showed that : adding tryptone, soy peptone. beef extract, com extract and cys - hcl to jaj could obviously promote the growth of blm and bbm ; by the orthogonal experiment of three elements and three levels, a satisfying jaj compound medium was acquired which included corn extract ( 0. 3 % ), soy peptone ( 0. 05 % ) and cys - hcl ( 0. 025 % ). nextly, after establishing a selective bifidobacterium medium, the effects of jaj on the growth of bifidobacteria in vivo were studied, using healthy mouse of kunming species as experimental animal

    研究了以菊芋汁為主要原料的雙歧桿菌培養基,大量試驗結果表明,在菊芋汁中添加胰蛋白腖、牛肉膏、大豆蛋白腖、玉米漿和半胱氨鹽等成分,對雙歧桿菌有明顯的促進生長作用;利用大豆蛋白腖、玉米漿和半胱氨鹽設計了三因素三水平的交試驗,確定了菊芋汁復合培養基的優化配方:菊芋汁+ 0 . 3玉米漿+ 0 . 05大豆蛋白腖+ 0 . 025半胱氨鹽。
  10. Catalytic synthesis of n - buty1 benzoate with solid acid

    固體催化合成苯甲丁酯
  11. Catalytic synthesis of n - butyl benzoate with keggin p - mo - v heteropolyacid

    雜多催化合成苯甲丁酯
  12. Study on synthesis of n - butyl acetate catalyzed by sncl4 5h2o c

    催化合成乙丁酯
  13. A new process of synthesizing n - butyl acrylate

    丙烯丁酯生產新工藝研究
  14. As to the solvent, hexane and butvul acetate is discussed and former is more suitable for biotransformation. among seven kinds of energy source : menthok alcohok glycok glycerou 1 - hexanok butyl alcohol octyl alcohol, glycol is selected as energy source, so hexane - glycol is used as reaction system

    從生物相容性和有利於轉化的角度對兩種溶劑,己烷和乙丁酯進行了比較,確定了己烷?憶二醇為該模型反應的溶劑體系。
  15. Soup does very well without - maybe it s always pepper that makes people hot - tempered, she went on, very much pleased at having found out a new kind of rule, and vinegar that makes them sour - and camomile that makes them bitter - and - and barley - sugar and such things that make children sweet - tempered

    也許是胡椒弄得人們脾氣暴躁。 」她對自己這個新發現非常高興,就繼續說: 「是醋弄得人們溜溜的,黃菊把人們弄得那麼澀,以及麥芽糖這類東西把孩子的脾氣變得那麼甜。
  16. This product is the newest filming technique, the latest achievement of usa electronic magic, it utilizes decomposition principle of electronic material to form a positive negative ions film on the surface of car coating, which has high water repellency and makes the surface of coat has more than 95 % brightness of mirror surface, lt has preeminent performance on weathering resistance, ageing resistance, oxidation resistance static resistance and wear resistance, with the force of charged ions, this product can easy removes the dirt, water drop acid rain and grease on the surface of the film and perennially and effectively protect coat surface, lt is the fourth generation car beauty and protective product which replaces glaze sealing products

    本品屬于當今最新的鍍膜技術,屬美國電子工學魔法的最新成果,它利用電子物質的分解原理,在車漆表面生成持有高撥水性的負離子覆膜,使漆面光亮度可達鏡面光澤的95 %以上,並具有超強的耐候性、抗老化、防氧化、防靜電、耐磨性極好的功能,它利用電離子的力量,可輕松彈去覆膜表面的污垢、水滴、雨、油脂等,平時只需清水沖洗,便可立即使之恢復離子效應,達到長期保護漆面的目的,是取代封釉的第四代汽車美容保護產品。
  17. Catalytic synthesis of n - propyl carboxylate using ammonium ferric sulfate

    鐵銨催化合成羧丙酯
  18. The catalytic synthesis of n - propyl carboxylate with ammonium ferric sulfate

    鐵銨催化合成羧丙酯
  19. Hydrolysis of polymers if often catalyzed by traces of acids or bases.

    和它們的低分子量的類似物一樣,微量的或堿常能促進聚合物的水解。
  20. Abstract : the anti - inflammatory effect of n - butanol extract of xanthocerassorbifolia bunge ( bex ) was studied in this paper. the ear edema resulted from dimethyl benzene, paw edema induced by carrageenin, the increase of vascular permeability caused by acetic acid, the chemotaxis of wbc induced by cmc and the weight of cotton granuloma in mice and hind paw edema induced by fresh egg white in rats were inhibited significantly by ig bex daily for 7 days, respectively. the carrageenin - induced paw edema was also inhibited markedly in adrenal - ectomiced mice. no changes in weight of adrenal and the concentration of vitamin c were observed, indicating that the anti - inflammatory effect of bex was not related to pituitary - adrenal system

    文摘:文冠木丁醇提取物對二甲苯致小鼠耳腫脹、蛋清致大鼠足腫脹、角叉菜膠致小鼠足腫脹、醋致小鼠腹腔毛細血管通透性增加、小鼠羧甲基纖維素囊中白細胞遊走、小鼠棉球肉芽腫生長均有顯著的抑制作用,同樣劑量下,文冠木丁醇提取物對角叉菜膠致去雙側腎上腺小鼠足腫脹仍有顯著的抑制作用,且對小鼠腎上腺重量及腎上腺中維生素c的含量沒有明顯影響。
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