碳酸氮 的英文怎麼說

中文拼音 [tànsuāndàn]
碳酸氮 英文
carbonic acid gas
  • : 名詞[化學] (非金屬元素) carbon (c)
  • : 酸構詞成分。
  • : 名詞[化學] nitrogen (7號元素, 符號n)
  • 碳酸 : carbonic acid碳酸氣 carbonic acid gas; 碳酸泉 [水文] carbonate spring; 碳酸泉水 apollinaris
  1. Strain hn could ammonize organic nitrogen compounds and nitrify ammonia itself when it grew on acetamide companying the formation of ammonia and nitrite

    該菌株能以乙酞胺為唯一源和源進行氨化作用和硝化作用並產生亞硝
  2. Silica pigment, benzene parazolone, oxalic acid catalyzer, accelerant, catalyst, deposit carbon powder, starch, paraacetaminophenetol - sulfonamide, sodiumpara - aminosalicylate ( pasna ), dalmato, p - thephalic acid, diethylbenzene - amine, titanium dioxide, acticarbon, sodium fluosilicate, fluorite, by - thiamine, silica gel powder, synthetic resin, sulfonic acid, polypropylene resin, aureomycin, pyrosodium silicate, gluchlorine acid coffee grounds, glucose, sodium sulfate, sulfide mineral, guound phosphate rock, bb, p. v. c.,

    M 、觸媒、沉澱炭粉、對乙酰基苯磺酰氨、對氨基水楊、哆耳瑪托、對苯二、二乙苯銨、二氧化鈦、活性、氟硅鈉、氟石礦、副產硫銨、硅膠粉未、合成樹脂、磷鈣、聚丙烯樹脂、金黴素、偏硅鈉、糠氯咖啡渣、口服葡萄糠、硫鈉、硫化礦、磷礦粉、蘭bb 、 p . v
  3. It is the optimal time for subjecting creatine to the medium when cultured to 12h and the concentration of creatine was 0. 75 %. creatine, sarcosine and choline chloride could induce the creatinase production and creatine was the optimal inducer, but creatinine and urea could not induce the creatinase production. 3 purification of creatinase the process of creatinase purification was performed as follows : first the enzyme was completely precipitated in the range of 40 - 80 % of saturation with ammonia sulfate fraction precipitation

    最佳源為玉米漿和蛋白腖,最佳比例為2 : 3 ,最佳濃度為1 . 6 ;加入其它源時有助於菌株穩定產酶; 100ml搖瓶的最佳裝液量為15ml ;肌、肌氨和氯化膽堿都能誘導菌株產酶,其中肌誘導產酶的效果最好,而肌酐和尿素不能誘導菌株產酶;誘導物肌的最適加入時間為接種培養12小時后,最適加入量為0 . 75 。
  4. Company in china engaged in the development and production of poultry feed additives, nutritional supplements, and substituted aromatic chemical intermediates

    -是生產電石,石灰,雙氰胺,鍶,硫脲,增炭劑等產品的企業。
  5. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究:無培養條件下,測定溫度、源、堿度、滲透壓對w12生長及固能力的影響,結果表明,在15 - 40下均能生長並表達固酶活性,其最適生長及固的溫度為25 - 35 ;能利用葡萄糖、蔗糖、蘋果、甘露醇等多種源生長並固,當培養基中同時存在蔗糖和蘋果時,細菌生長和固活性最強;在偏和偏堿的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長勢和較高的固酶活性,並能通過調節自身代謝平衡並適應環境的、堿性變化,使培養液趨于中性:能耐受較高的滲透壓,培養液中卜、 5 naci濃度對其生長和固酶活性影響不大,當naci濃度升至2時,菌株的生長勢及固酶活性才有所下降:低濃度的鉸對其固酶活性影響不大,在0
  6. The xylanase activity of the mutant kept stable after 10 generations. after orthogonal designing experiment, the optimum fermentation conditions of a. niger j 506 were obtained, which is as followed : concentration of the major carbon resource 4 %, ratio between bran and corncob 5 : 5, concentration of glucose 0. 1 %, concentration of ammonium oxalate as supplemental nitrogen resource 2. 0 %, the initial ph of liquid medium 5. 0, 100ml / 250ml flask

    經過正交試驗設計,得出突變株a . nigerj506產木聚糖酶最佳的工藝條件為:主源濃度4 、麩皮與玉米芯的比例為5 : 5 、輔加源葡萄糖的濃度是0 . 1 、輔加源草銨的濃度是2 . 0 ,培養基初始ph為5 . 0 , 250ml三角瓶的裝液量為100ml 。
  7. The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas

    對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、生理生化和遺傳學特性進行的比較研究的結果表明,突變株bmb171不形成伴胞晶體,但在個體形態與菌落特徵、對紅黴素等10種抗生素的敏感性、對葡萄糖等19種源和谷氨等12種源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。
  8. The transportable powder series extinguishers are effective extinguishing appliances, in which extingshing agent sodium bicarbonate or ammonium phosphate powder together with the driving gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is advanced in technology, simple in structure, convenient in operation, maintenance and storage, safe and reliable

    推車式乾粉系列滅火器是一種新型高效的滅火器材,它使用磷銨鹽或氫鈉乾粉滅火劑和驅動氣體氣一起灌裝在全封閉的容器內,滅火時由氣驅動乾粉滅火劑噴射滅火,具有技術先進,結構簡單、操作方便、易於維修、便於保管,安全可靠等優點。
  9. The electrocatalytic oxidation of nitric oxide at carbon black microelectrode modified by cobalt complex with n - salicylidene glutamic acid

    生理性一氧化在水楊醛谷氨合鈷修飾黑微電極上的電催化氧化
  10. 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、微生物生物量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、性磷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。
  11. At its liquid fermentation culture process, the most appropriate carbon source is glucose and white sugar, while the most appropriate nitrogen source is ammonium tartrate. the results also indicate that cg grows best between ph value 6. 0 - 8. 0, in which its growth period is about 15 days, and the best inoculating amount and the liquid capacity are respectively 10 - 15 % and 100 - 200ml. all these results will provide the theory bases for the reproducing of cenococcum geophilum

    其液體培養最適源為葡萄糖、市售白糖;最適源為酒石銨。在ph值為6 . 0 - 8 . 0之間生長最快,其生長周期為15d左右,最佳接種量和裝液量分別為10 - 15 %和100 - 150ml 。以上試驗結果為土生空團菌的擴大繁殖提供了理論依據。
  12. The results show that the chosen test variables have no effect on the activity of methane, except that the activity refeering to the blast limit was restrained at a certain extent by nitrogen and carbon dioxide adulteration

    結果表明,甲烷活性隨貯存時間的延長沒有變化,甲烷通過水、硫、氫氧化鈉洗氣后活性沒有變化;氣、二氧化在一定程度上可抑制甲烷與空氣混合爆炸,且二氧化的影響稍大;氨氣則沒有影響。
  13. Portable stored - pressure powder series extinguishers are effective extinguishing appliances, in which extinguishing gaent sodium bicarbonate and ammonium phosphate powder together with the driveng gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is fast and effective in extinguishing, light in weight, convenient and simple in operation, safe and reliable

    手提式乾粉系列滅火器是一種輕便高效的滅火器材,它使用磷銨鹽和氫鈉乾粉滅火劑和驅動氣體氣一起灌裝在全封閉的容器內,滅火時由氣驅動乾粉滅火劑噴射滅火,具有滅火速度快、重量輕、效率高、使用方便、靈活、安全、可靠等特點。
  14. Produces zirconium oxychloride, zirconium oxide and other zirconium series products

    -生產電石石灰雙氰胺鍶硫脲增炭劑。
  15. The result of numerical taxonomy indicated that there were high phenotypic diversity among the strains isolated from the root nodules of pueraria spp. it can been seen in utilization of carbon and nitrogen sources, antibiotic resistance, resistance to dyes and chemicals, tolerance to acid, acid production, alkali production, nitrate reduction et al. the dendrogram divided all the strains into

    數值分類對所有供試菌株進行了131項表型性狀的測定,結果表明,葛藤根瘤菌具有豐富的表型多樣性,表現在利用多種化合物作為唯一源、源能力,對抗生素、染料和化學藥物的抗性,耐性,產產堿情況,硝還原能力等方面。
  16. Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous

    本文以土壤系統分類理論為指導,以四川盆地侏羅系蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色土為研究對象,利用spss統計軟體相關功能,結合供試土壤的自然景觀、剖面形態和室內測定的理化性質,對土系分化的影響因子、土系劃分指標和檢索順序進行了系統的探討,結論如下: ( 1 ) 、供試紫色土中有機質、全、全磷、全鉀和顆粒組成與多個土壤性質均呈顯著或極顯著相關;有機質、鈣、有效磷、顆粒組成等性質在供試土壤方差分析中變異系數均較大;土體構型及土體的深度對土壤性質也有深刻影響。
  17. There are higher potassium and calcium carbonate content, larger ph, lower organic matter, nitrogen and phosphoric. compared sandy soil with zonal soil, mechanical composition is coarsal, there are no substance leaching. 3

    土壤鉀素、鈣和ph值較高,有機質和、磷養分貧乏,風沙土與地帶性土壤相比,機械組成明顯粗化,物質未發生淋溶淀積。
  18. The competition ability of wind power both in economical and technologic aspects has been enhanced greatly due to the fact that the developed countries excised a tax on some energies in purpose of preventing the effect of global warming, acid rain and reducing green house effect and dioxide, nitrogen emission

    而發達國家為揭制全球氣候變化的影響、雨影響、以及減排溫室氣體與二氧化氧化物等,保護全球環境和區域環境,開始徵收能源稅或稅等措施,更使得風力發電在科技和經濟上的競爭能力大大加強。
  19. The polysaccharide production were 37. 296mg / l and 12. 961mg / l. the best conditions for extracting polysaccharide from porphyridium purpureum were as follow : alcohol concentration was 75 %, alcohol volume was 2 - fold time, percolation time was 1h, the volume ratio of glycoprotein solution to sevag reagent was 1 : 2, time was 45min and sevag reagent was 3 : 1 between chloroform and butanol. the result also indicate that nahco3 and nh4cl were the best carbonic and nitrogen sources for polysaccharide respectively

    淡色紫球藻的最優提取工藝為乙醇濃度75 ,乙醇用量為2倍體積,醇沉時間為1小時;氯仿與正丁醇的比例3 : 1 ,樣液與sevag試劑的比例1 : 2 ,作用時間為45min :由方差分析可得五種源和五種源對胞外多糖的影響不顯著,添加氫鈉和摘要nhoci的多糖產率最高,分別為41
  20. Abstract : a new technique of production of potassium saufate with gypsum through the twoconversion steps has been studied in this paper

    文摘:提出了天然石膏二段轉化法制硫鉀,附產輕質鈣、鉀復肥的新工藝,研究了轉化工藝條件和工藝參數。
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