nitrogen cycle 中文意思是什麼
nitrogen cycle
解釋
氮素循環-
The autotrophic nitrifying bacteria play a critical role in nitrogen cycle in nature
硝化細菌是一大類在自然界氮循環中起關鍵作用微生物菌群。 -
The understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements
摘要近20年由於氣相同位素比值質譜儀的改良和氫、氧、碳、氮和硫等穩定同位素的廣泛研究，穩定同位素的研究技術已實質增加我們對于這些元素在自然生態系中生地化循環的了解。 -
On the other hand, if the mass of the star is greater than about 1. 1 solar masses, the dominate reaction will be the carbon - nitrogen - oxygen cycle
假若星體質量更大，核聚變便會主要以碳氮氧循環cno循環 -
Management of n in agricultural ecosystem is one of the most essential factors for agricultural sustainability. injudicious use of nitrogen fertilizer has induced a crucial environmental problem, which includes volatilization of nox to the atmosphere, acid rain, induced leaching of soil nutrients, changes in the global n cycle, and nitrate pollution of groundwater
農田生態系統中長期單一、過量偏施化學肥料特別是化學氮肥，造成農產品品質下降，肥料利用率低，不僅增加了農業生產成本，還嚴重污染環境，已成為農業可持續發展的一個重要制約因子。 -
This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle, meanwhile, uncertainties of terrestrial nitrogen cycle were discussed. the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone. the global organic nitrogen storage was estimate by the c / n ratio
Post等按照不同生物帶比較全面的估算了全球各種生態系統類型的土壤碳氮密度和含量， mcelroy等利用土壤有機碳儲量和碳氮比來估算了全球土壤有機氮儲量。 -
Anaerobic ammonium oxidation ( anammox ) is a newly discovered process in nitrogen cycle in aquatic systems, and it plays a significant role in the conversion of nitrogen
厭氧氨氧化過程是水生生態系統氮循環中的氮轉化新途徑，並在自然界氮素的轉化過程起著重要的作用。 -
Chart s vertical storage bulk tanks can be used in liquid nitrogen, oxygen or argon service and are available in sizes from 525 to 15, 000 gallons 1, 987 to 56, 781 liters. designed in accordance with asme code, the vs series features a composite insulation system for high thermal performance, extended hold times, low life - cycle costs and light weight to reduce operational and installation costs
查特vs - gb立式貯罐系列採用查特獨有的真空絕熱技術，提高您的競爭優勢：卓越的絕熱性能，超長的保持時間，最低的生命周期成本，以及較輕的罐體重量減少您運輸和安裝成本。 -
The theoretic cycle capacity of limno2 is 286 mah g - 1, which has attracted a great deal of people to research. aim at the impurity of limno2 which was synthesized by the predecessor and the phase change during the electrochemical process, we try several methods, including wet moist chemical method, liquid state method, solide state method and liquid dipping method. at the same time, we study the synthesis of limnc > 2 in defferent atmosphere, for example air, argon and nitrogen
Limno _ 2具有286mah ? g ~ （ - 1 ）的理論容量，這種高容量材料深受廣大研究者的關注，針對前人合成出的還有少量雜相和在電化學循環過程中出現相變四川人學碩l :學位論文的問題，我們嘗試了幾種合成方法:濕化學法、液相法、固相法和溶液浸漬法，並在不同氣氛:空氣、氮氣和氫氣中進行limnoz的合成研究。 -
As far as the process and the environment effect of nitrogen and phosphorus biology geochemistry cycle on the earth surface are concerned, it is an important content in the region study about the globe changes with double drive of man and nature effect
在自然和人為作用的雙重驅動下，地球表面氮磷的生物地球化學過程及其環境效應則是當前全球變化中區域研究的重要內容。 -
Nitrous oxide ( n2o ), a naturally occurring greenhouse gas, was one of the trace gases of nitrogen cycle. its lifetime was about 120 years in the troposphere. it has caused considerable concern since n2o not only contributed to the destruction of stratospheric ozone, but also its greenhouse effect strength was about 200 times higher than carbon dioxide ( co2 )
溫室效應氣體n _ 2o是氮素循環中的痕量氣體之一，其溫室效應強度是co _ 2的200倍左右，它在大氣中的停留時間長達120年，而且，其消耗或轉化是以破壞o _ 3為代價的。 -
Both temperate and tropical woody plants were characterized by the early accumulation of vegetative storage proteins in new shoots, which may have a primary role in the regulation of nitrogen metabolism and the growth and development of woody plants in an annual growth cycle
新梢較早地積累營養貯藏蛋白質是熱帶樹木和溫帶樹木的一個共同特點，對于樹木的氮代謝和樹木當年的生長發育可能具有重要的調控作用。 -
A dynamic model for dissolved inorganic nitrogen ( din ) and phosphate ( po4 - p ) cycles and budgets in jiaozhou bay was established according to the principles of d - n - p - z model. in the model, 6 state variables ( din, po4 - p, phytoplankton, zooplankton, organic detritus, and dissolved organic nutrients ) were included. logically this model was divided into three modules - nutrients input, nutrients cycle in seawater, and output of both dissolved substances ( e. g
本文根據n ? p ? z ? d模型的基本原理，建立了膠州灣氮、磷營養鹽循環收支動力學模型，主要包括營養鹽輸入，營養鹽生物、化學遷移和轉化內循環，溶解態和顆粒態物質水動力輸出3個邏輯模塊，涉及溶解無機氮（ din ） 、磷酸鹽（ po _ 4 - p ） 、浮游植物、浮遊動物、有機碎屑和溶解有機態營養鹽6個狀態變量。 -
The studies on the biogeochemistry of carbon and nitrogen, carbon and nitrogen cycle in forest ecosystems, or photosynthates supply for nitrogen assimilation and metabolism of plant indicated that carbon and nitrogen could influence each other
不論探討碳與氮之生物地質化學，或森林生態系碳與氮養分循環，甚至整株植物產生光合產物供給氮同化與代謝所需，都顯示碳與氮彼此能相互影響。 -
We reviewed the historical development of j - t refrigeration cycle and its current study at home and abroad. using cubic equation of state, the vapor - liquid equilibrium of cryogenic mixtures containing nitrogen and hydrocarbons and their thermodynamic properties were calculated. based on these calculations, the system and its components were designed
綜述了混合工質j - t節流製冷循環的發展史及國內外研究現狀，採用立方型狀態方程對含氮混合工質的汽液相平衡和熱力性質進行了計算，並在此基礎上建立了j - t節流製冷系統各部件的物理模型，進行了系統的設計計算； 2 -
Studying the chinese terrestrial ecosystem soil nitrogen storage can provide the basic data for studying the terrestrial ecosystem nitrogen cycle, and the emission of soil nitrogen should be considered in future research
本文首先論述了當前陸地和土壤氮循環的研究現狀，探討了陸地氮循環研究中的不確定性。
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