nitrogen transformation 中文意思是什麼

nitrogen transformation 解釋
氮素轉化
  • nitrogen : n 【化學】氮，氮氣。 nitrogen chloride 三氯化氮。 nitrogen cycle 氮循環。 nitrogen dioxide 二氧化...
  • transformation : n 轉變，變化；變形；【生物學】（尤指昆蟲的）轉化，變態，改造，改革；變質；【數學】變換；【電學】...
  1. This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application

    針對目前對緩釋肥料釋放特性的研究集中在化工製作領域這一現狀，採用不同的測定方法，闡明含硫尿素中的養分氮在水及土壤中的轉化特點，確定養分的釋放速率，以求找出適合農業生產應用的方法。
  2. 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種碳源和谷氨酸等12種氮源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。
  3. In the condition of the experiment, the effect of the long effect urea no. 4 to the wheat is better than millet as for the transformation and utilization condition of nitrogen in urea

    表明，拔節期前是禾本科作物控釋氮素的關鍵時期；在本試驗條件下，就尿素氮的利用轉化狀況而言，小麥施用長效尿素四號優于穀子。
  4. In this research project, the agrobacterium tumefaciens mediated transformation of badh gene of tetraploid black locust has been studied, for the purpose of improving resistance to soline - alkali and drought of tetraploid black locust ; of playing more important role in developing of waste lands, ameliorating of soline - alkali soil, and greening and beautifying of surface - mined lands, mine waste dumps, slopes of roads and railroads where restoration of vegetative cover has proven difficult ; of fully making benefits of its ability to fix atmospheric nitrogen in the soil

    為了進一步提高四倍體刺槐的耐鹽性和抗旱性，進一步擴大其適宜種植的生態范圍，充分發揮其固氮、改良土壤的特性，在我國的城鎮綠化、荒山造林、鹽堿地改良以及采礦跡地、公路、鐵路邊坡等植物生長困難土地的植被恢復中發揮其優勢，本實驗對四倍體刺槐進行了農桿菌介導的甜菜堿醛脫氫酶基因轉化的研究。
  5. Studying on the mechanism of nitrogen transport and transformation under the conditions of fertilization and irrigation with sewage effluent is very important for utilization of sewage effluent and fertilizer and pollution control. based on laboratory and field experiment and numerical simulation, nitrogen transport and transformation has been investigated in this dissertation

    污水灌溉和施肥條件下，氮素在土壤與作物系統中遷移轉化規律的研究，對于合理利用污水資源和合理施肥，最大限度提高水分和養分的利用率，減少硝態氮淋洗風險，具有十分重要的意義。
  6. In field study, the expenment on nitrogen transport and transformation in soils with different irrigation ( with both ground water and sewage effluent ) and fertilization levels has been conducted. with considenng the n - uptake, nitrification and demtrification processes, a model for describing no2 - - n transport and transformation in unsaturated soil has been applied. results show that, the n03 + - n accumulating in soil is contributed more by fertilization but lees by irrigation with sewage effluent, and the model can be used to simulate no3 - - n transport in soils

    在室外進行了不同清污水灌水量與施肥條件下氮素遷移轉化試驗，同時進行了考慮根系吸收，硝化和反硝化的田間非飽和no _ 3 ~ - ? n遷移轉化模型的數值模擬，研究結果表明與施肥相比，污水灌溉對土壤中no _ 3 ~ - ? n累積的貢獻較小，所建立模型可用於模擬no _ 3 ~ - ? n在土壤中的遷移。
  7. Effect of lignosulfonates on controlling of urea nitrogen transformation and nitrate accumulation in vegetable

    木質素磺酸鹽對尿素氮轉化與蔬菜硝酸鹽積累的影響
  8. On transformation of nitrogen and its environmental effect during unsaturated riverbank filtration

    中氮轉化及其環境效應的實驗研究
  9. The data needed by the research are collected from relevant materials and field sampling, including the soil saturation hydraulic conductivity, soil bulk density, various kinds of chemical parameters of soil layer ( such as organic nitrogen, organic phosphorus and soluble phosphorus ), the transformation of organic carbon content of soil layer and the land use in 1993 etc.

    筆者兩次參加對研究區的實地考察，並進行相關數據的收集和實測，包括1993年土地利用、土壤飽和導水率、土壤容重和土壤各種化學參數（如有機氮、有機磷和可溶性磷等） ，以及后來所進行的土壤層有機碳含量的轉化等。
  10. Tissue culture and plantlet regeneration from leaf explants of a. ficoidea cv. " ruliginosa " and its genetic transformation with agrobacterium rhizogenes atcc 15834 were investigated as well as changes in the contents of sucrose, nitrogen and phosphate in liquid medium during the hairy root cultures

    本文研究了紅龍草（ altemantheraficoideacv " ruliginosa " ）葉片的組織培養、發根農桿菌（ agrobacteriumrhizogenes ） atcc15834對紅龍草的遺傳轉化以及毛狀根液體培養過程中培養液某些營養成分的消耗變化。
  11. Effect of different bulking agents on transformation of nitrogen during sewage sludge composting

    不同填料對城市污泥堆肥堆體溫度動態變化影響
  12. This paper systemically summarizes the chemical transformation of nitrogen and phosphorus, the process of their transportation in water - soil interface and the influencing factors

    系統地綜述了氮磷在水土界面的化學轉化、遷移過程及其影響因素等方面的研究進展。
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