nitrogen base 中文意思是什麼

nitrogen base 解釋
含氮堿基
  • nitrogen : n 【化學】氮，氮氣。 nitrogen chloride 三氯化氮。 nitrogen cycle 氮循環。 nitrogen dioxide 二氧化...
  • base : n 1 基底，基，根基，底座；底層，底子；（紀念碑等的）基址；（山）麓。2 【軍事】基地，根據地。3 根...
  1. Effects of nitrogen rate and ratio of base fertilizer and topdressing on uptake, translocation of nitrogen and yield in wheat

    施氮量和底追比例對小麥氮素吸收轉運及產量的影響
  2. 2 benjia 4 - methyl ketone, 4 - chlorine two benjia methadone, acrylic acid resins, hydrochloric cola organism, 1023 - 1063 nitrogen zhuo methadone, phenyl acetone, reactive copper oxide, chlorobenzene oxygen ethanoic acid, ethyl ammonium chloride de base 3, 4 butadiene styrene brominated ammonium, four butadiene styrene acid hydrogen amines, amino benyi r123 for methadone, a pond amine manufacturing and marketing

    甲基二苯甲酮、 4氯二苯甲酮、丙烯酸樹脂、鹽酸可樂啶、月桂氮卓酮、苯基丙酮、活性氧化銅、對氯苯氧乙酸、芐基三乙基氯化銨、四丁基溴化銨、四丁基硫酸氫胺、二氯對氨基苯乙酮、因潢胺製造和銷售。
  3. Effect of base to dressing ratio of nitrogen fertilizer on wheat yield and quality in light - loamy chao soil

    輕壤質潮土氮肥基追比對小麥產量與品質的影響
  4. The first liquid oxygen and liquid nitrogen equipments of xichang and jiuquan satellite lauching base run normally until now, which has made important contribution for our coutry ' s aviation and spaceligh enterprise, thus attained national defense sicience and industry committ ' s appreciation

    提供大連日酸氣體公司的氮液化設備，開創了日酸公司首用國產成套設備的先河；哈爾濱黎明氣體公司和成都僑源氣體公司則是我公司大型液氧液氮設備的重點用戶，由於過硬的技術和穩定的質量，短短二、三年時間內，這些用戶相繼增購了多套同類產品。
  5. Is plugcareplus nitrogen or ammonia base ? that is, is it safe to use in a cold holding area without causing ammonia toxicity

    穴盤專用（添加）肥料其是硝態氮還是氨態氮？也就是說，它在氣候寒冷的地區使用是否安全，是否會引起氨中毒？
  6. Q : is plugcareplus nitrogen or ammonia base ? that is, is it safe to use in a cold holding area without causing ammonia toxicity

    穴盤專用（添加）肥料其是硝態氮還是氨態氮？也就是說，它在氣候寒冷的地區使用是否安全，是否會引起氨中毒？
  7. Effects of nitrogen fertilizer rate and ratio of base and topdressing on winter wheat yield and fate of fertilizer nitrogen

    施氮量和底追肥比例對冬小麥產量及肥料氮去向的影響
  8. According to the principle of nutrient balance and water requirement in cotton, the sub - model for fertilization and water management was developed by integrating the effects of soil characters, variety traits and yield target. the submodel can make decisions on the suitable total nutrient and water rates and distributions among main growth stages, ratio of organic to inorganic nitrogen, and the ratio of base to topdressing fertilizer

    根據平衡施肥原理和棉花水分需求規律，在綜合考慮土壤理化特性、品種遺傳特徵、產量水平等因子影響的基礎上，建立了具有系統性和普適性的棉花肥料及水分運籌動態知識模型，模型可以完成肥料總量需求，有機肥與無機肥的比例、基肥與追肥的比例、追肥施用時間、水分需求總量及其在各個生育時期的分配等。
  9. According to the features of naphthenic base oil ( i. e., high nitrogen and low sulfur content ) and based upon theoretical analysis of the h2s concentration needed for phase equilibrium of nickel sulfide and tungsten sulfide in hydrogen, the most economic quantity of sulfiding agent injected into the reactor for supplement of sulfur in lube oil hydrogenation catalysts was obtained

    摘要針對環烷基油高氮、低硫的特點，通過對硫化鎢和硫化鎳在氫氣中相平衡態所需硫化氫濃度的理論分析，對反應器入口所需補硫量作了詳細的闡述，得出了最經濟的補充注硫量。
  10. Surface active agents - determination of total base nitrogen - potentiometric titration

    表面活性劑.堿性氮總量的測定.電位滴定法
  11. Abstract : this paper has deseribed the principles of preparation and technological process about nitrogen - based sintering atmosphere by ammonium cracked and burnt. the chemical effect in sintering furnace is discussed. the effects of it on the carbon content of the iron base structure materials were studied. the superior feature and technical & economic value in saving energy, in cutting down the consumption of raw materials, in waking use of natural resources, in environmental protection, in safety, etc., have been brought to light

    文摘:敘述了氨分解燃燒氮基燒結氣氛的制備原理與流程設計；探討了它在燒結爐中的化學效應；研究了它對鐵基結構材料碳含量與性能的影響；揭示了它用於粉末冶金鐵基結構件燒結時，在節能、降耗、資源利用、環保、安全等方面的優勢特徵與技術經濟價值。
  12. Effect of different rate of nitrogen application and ratio of base and top application on yield and quality of strong gluten wheat

    不同施氮量和底追比例對強筋小麥產量和品質的影響
  13. Effects of nitrogen application rate and ratio of base and topdressing on nitrogen absorption, utilization, grain yield, and grain protein content in winter wheat

    施氮量和底追比例對小麥氮素吸收利用及子粒產量和蛋白質含量的影響
  14. So far, most related researches and achievements have showed that acid rain has certain impact on functions of a soil ecosystem. such as leaching of soil base - exchangeable ions, heavy metals and microelements, nitrogen, contents of sulfur and phosphorus nutrients, soil acidification, population and activities of soil microbes, soil buffer capacity, soil sensitivity to acid rain, soil structure and weathering status of soil minerals, and so on

    現有的大量研究表明，酸雨對土壤生態系統的功能特性，包括土壤的鹽基離子以及重金屬與微量元素的淋溶、土壤營養、土壤酸化、土壤微生物數量及其活性、土壤緩沖性能、土壤對酸雨的敏感性、土壤結構、土壤礦物風化等方面均會產生一定的影響。
  15. It is a serious issue that water and nitrogen input rates are unreasonable high in vegetable production in china, which may increase nitrate accumulation in vegetable and ground water contamination. in result, these will be harmful to people ' s health. the objectives of this paper which based on column % pot and micro - plot experiments were to compare the effects of different water and nitrogen supply strategies on nitrogen leaching in the soil profile and nitrate accumulation in vegetable as a base for the n and water recommendations in vegetable production

    針對蔬菜生產中水氮投入過量造成蔬菜品質下降、地下水硝酸鹽含量超標，水、肥資源的浪費以及給人體健康造成的潛在性威脅的實際情況，以油菜和芫荽為研究對象採用模擬土柱、盆栽和田間微區試驗相結合方法系統監測了蔬菜生育期內硝酸鹽含量的動態變化以及收獲后不同土層土壤硝態氮的殘留量，研究了水氮對蔬菜硝酸鹽累積的影響及對土壤硝態氮殘留的效應。
  16. As one of leading fertilizer suppliers in fujian province and a promising agricultural materials enterprise, the company possesses a high - analysis compound fertilizer base with a annual output of 300, 000 tons, supplies high - quality international and domestic nitrogen, phosphate, potash and compound fertilizers, and covers markets of more than 20 provinces and cities in china

    福建省化肥主渠道供應銷售商之一，代理國際國內優質氮磷鉀肥及復合肥料，擁有年產30萬噸高濃度復合肥生產基地，市場輻射全國20多個省市，是中國極具發展潛力的科技型優秀農資經營企業。
  17. This article introduce the application of industial furnace in soldering welding technology, it is described in detailed that the principle, structure, control method and characteristics of vacuum soldering welding stove and nitrogen - base soldering welding stove

    摘要介紹了工業爐在焊接工藝中的應用，引用設備實例對真空釬焊爐及氮基釬焊爐的原理、結構、控制方法及使用特點進行了詳細描述。
  18. Surface active agents - determination of total base nitrogen - potentiometric titration ; german version en 13716 : 2001

    表面活性劑.基本氮總量測定.電位滴定法
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