正氮 的英文怎麼說

中文拼音 [zhēngdàn]
正氮 英文
ortho-nitrogen
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 名詞[化學] nitrogen (7號元素, 符號n)
  1. 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,硝化菌與硝,磷細菌與磷酸鹽均成相關關系,相關性r分別為0 . 74 , 0 . 65 , 0 . 76 。
  2. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外,通過rapd資料的聚類分析及相關性分析研究,發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子(主要是土壤因子)相關,其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量( w ) 、鉀鈉離子濃度( k + na )和氯離子濃度( cl )呈顯著的相關( p 0 . 05 ) ,還與土壤中有機質( som ) 、全( nt )和全磷( pt )含量呈顯著的負相關;同時,角果藜種群的遺傳多樣性水平與土壤中有機質( som )和全( nt )含量呈顯著的相關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負相關;除此之外,其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著(卜0 . 05 ) 。
  3. Many surgical complications and disease processes inhibit normal nitrogen anabolism.

    許多外科並發癥和疾病抑制常的合成代謝。
  4. 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

    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,血清尿素的測定等四個項目試驗。
  5. 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光敏性的線性加和,表現出協同增強效應。
  6. The management of these patients included medication to maintain normoglycemia ( octreotide, diazoxide and glucagons ) and feedings with a gastronomy tube

    這些患者的治療包括服用藥物(奧曲肽,二嗪及胰高血糖素)以維持常血糖以及胃管喂養。
  7. Among the asthmatic chinese children, the level of nitric oxide is about 80 parts per billion ( ppb ) while for normal children it is only 29ppb

    結果發現患有哮喘的華人兒童中,一氧化的濃度為80ppb ,常兒童則只有29ppb 。
  8. For the relationships between zoobenthos and environmental factors, results showed that zoobenthic standing crops were positively correlated with submersed aquatic macrophytes, total phosphorus and total nitrogen contents but were negatively correlated with depths and secchi disk transparencies

    環境分析表明底棲動物總的現存量與水草生物量、總磷總含量均相關,與水深、透明度均負相關。
  9. When the concentration of ammonium acetate is lomol / l, in

    砒吒分子中的原子對著高嶺土層面。
  10. The determination of vaporization enthalpy and normal boiling point of azone with dsc

    法測定酮的汽化焓和常沸點
  11. Among inorganic salts tested, k2hpo4was more essential to the sclerotia formation and carotenogenesis of strain pt9s than kcl, mgso4 or feso4 it was also shown that the combination of k2hpo4, kcl and mgso4 could produce the best positive cooperation and give the highest sclerotia biomass ( 782mg / plate ) and pigment yield ( 328 g / plate ). all of five carbon sources, i. e

    4 .研究了無機鹽和碳源對青黴pt95菌株菌核生物量和類胡蘿卜素產率的影響作用,結果表明:供試的4種無機鹽中, kzhpo ;的單因子效應最好; kzhpo4 + kci + mgs04表現出最好的協同效應。
  12. 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:主碳源濃度4 、麩皮與玉米芯的比例為5 : 5 、輔加碳源葡萄糖的濃度是0 . 1 、輔加源草酸銨的濃度是2 . 0 ,培養基初始ph為5 . 0 , 250ml三角瓶的裝液量為100ml 。
  13. The results showed that the correlations of organic matter, n, p with urease / protease were positively significant, the correlations between nutrient content and hydrogen peroxidase / peroxydase was insignificant, but the nutrient content and poiyphenol oxidase was found inversely correlated

    結果表明:有機質、、磷與土壤脲酶、蛋白酶有一定的相關,與過氧化氫酶、過氧化物酶有不明顯的相關,與多酚氧化酶則呈負相關。
  14. Objective : to investigate the effects and complications of hypertonic saline in the treatment of hyponatremia in patients with obstinate heart failure and to find out prophylactic and therapeutic measures against the complications. methods : to analyze the changes of electrolytes, urea nitrogen, serum creatinine, heart rate, blood pressure, cardiac function after the treatment of hyponatremia in patients with obstinate heart failure by 3 hypertonic saline. results : after the improvement of hyponatremia, cardiac function, the levels of electrolytes, urea nitrogen, serum creatinine were improved significantly. blood pressure rised slightly. heart rate did not change. conclusion : hypertonic saline can redress hyponatremia, improve cardiac function and decrease the levels of urea nitrogen and serum creatinine rapidly and effectively. blood pressure and heart rate did not change significantly

    目的探討高滲鹽水在低鈉性頑固性心力衰竭治療過程中的作用和可能出現的並發癥以及防治對策.方法分析3高滲鹽水治療低鈉性頑固性心力衰竭前後的電解質、尿素、肌酐、心率、血壓、心功能的變化.結果治療前後心功能、電介質、尿素、肌酐有明顯改善,血壓輕度升高,心率無明顯變化.結論高滲鹽水能快速有效地糾低鈉血癥,有助於心功能的迅速改善,降低血尿素、肌酐.對血壓和心率影響不大
  15. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明,水分脅迫導致玉米株高和葉面積指數降低,以拔節期受到影響最大;玉米產量與生物量呈顯著相關關系,產量與根重無顯著相關關系;水耦合效應顯著,適宜水分和中處理下玉米的產量最高,玉米生長發育對肥的吸收存在一定的閾值,過多施用肥會加劇土壤乾旱和作物乾旱,水和鉀耦合效應對玉米產量影響不顯著;水分是影響玉米產量的主導因素,其次是效應和鉀效應。
  16. Study on addition reactions of nitriliums with bicyclo 2, 2, 1 - hept - 2 - ene

    雜炔離子與二環烯加成反應的理論研究
  17. Diamond and products - specification for diamond and cubic boron nitride abrasive grinding wheels

    金鋼石磨料製品.第1部分:化硼砂輪規范
  18. We also have advanced heat treatment devices : 6 net strip quality control production lines, 4 quenching production lines, and 22 equipments including trunk oven, well oven, vacuum ion nitrogen oven, vacuum quenching oven, high frequency quenching oven and etc. the completeness of equipment and technical expertise can meet the different requirements of our customers

    公司還有先進的熱處理設備:網帶調質生產線6條,火生產線4條及箱式爐井式爐真空離子滲爐真空淬火爐高頻淬火爐設備等22臺。全的設備和專業的技術能夠滿足不同客戶的各種要求。
  19. With 2, 2 " - azobis - 2 ( amidineopropane ) dihydrochloride ( v5o ) and ammonium persulphate ( aps ) being used as initiator, the cationic and anionic nanoparticles polystyrene ( ps ) latex were synthesized via emulsion polymerization respectively

    通過使用過硫酸銨和偶二異丁脒鹽酸鹽作引發劑,利用乳液聚合法制備了粒徑約為100nm ,表面分別為負電性和電性的ps (聚苯乙烯)乳膠粒。
  20. Positive nitrogen balance

    正氮平衡
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