carbon change 中文意思是什麼

carbon change 解釋
碳的轉變
  • carbon : n. 1. 【化學】碳。2. 【電學】碳精棒[片、粉];碳精電極。3. (一張)復寫紙。4. 復寫的副本。
  • change : vt 1 改變,變更,變換,變革。2 交換;兌換;把(大票等)換成零錢;把(支票等)兌成現金。3 換(車、...
  1. Based on the principle of mechano - chemistry, the strong shock and crashing mechanical force produced by ls - 250 pulverizer can act to the surface of superfine carbon and white carbon particles during the process. the result of the experiment indicated that distortion and amorphism change occur to the surface crystal lattice of carbon particles, and the phenomena are prick up as the action time of mechano - chemical force

    依據機械化學原理利用ls一250型流能粉碎機高速旋轉的動齒工作過程中產生的強烈沖擊、碰撞機械力,使其作用於超細石墨及白碳黑顆粒表面,檢測表明,石墨粒子表面晶格發生畸變及無定形化,且隨著機械力作用時間的延長而加劇。
  2. Caco3 not only affects soil physical and chemical characteristics but also causes co2 change in the air, because caco3 is main components among the total pool of inorganic carbon of soil. this paper systematically summarized and analyzed general development characteristics of soil profile caco3 in loess hill gully area including source, content, forming - condition, distribution and illuviation - depth of caco3, which will have the most important significance for the further studies on global soil and climate change

    碳酸鈣在土壤剖面中淀積的深度和類型是黃土高原土壤發育的重要標志,鈣積層是黃土高原土壤發育環境的歷史信息庫,同時土壤碳酸鈣作為土壤無機碳庫重要組成,它通過溶蝕后再結晶與大氣co _ 2之間進行物質交流來影響全球氣候變化。
  3. Study on the change dynamics of low - carbon microalloy bainite steel

    低碳微合金貝氏體鋼的轉變動力學研究
  4. Paniculate organic carbon ( poc ) content of zhujiang river is lower than that of other rivers in the world. among the three branches, the content in xijiang river is the highest, then the dongjiang river, and then the beijiang river. the runoff of zhujiang river has very great seasonal change

    珠江流量存在很大的季節變化,汛期擁有超過60的年度總徑流量, doc和poc在高流量時驟增, doc含量增加約20 - 90 ,而poc含量最大則可能增加6倍,與山區河流的特徵相似。
  5. Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch

    利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適量增加不同種屬的多個關鍵酶酶量,改善限速反應;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生物代謝途徑;目的是將碳代謝流最大程度的引向奎尼酸生成的方向。
  6. Carbon sequestration is a last resort to mitigating climate change

    碳吸收是減緩氣候變化的最後手段。
  7. 5, both melting point ( tm ) and isotropization temperature ( tj ) of all the three series compounds change regularly with the carbon numbers of the end alkoxy group increased. there is a gradual increase in smectic phase length and in the smectic - nemetic transition temperature. at the same time there is a gradual decrease in nemetic phase length

    五,三個類型化合物16ia至16id 、 16ila至16lid 、 17ia至17id 、 17ila至17lid 、 18ia至18id和18ila至18lid的熔點和液晶態的清亮點均化合物分子中末端烷氧基增大逐漸降低;近晶相的溫度范圍和近晶相一向列相轉變溫度逐漸增大,而向列相的溫度范圍遞減。
  8. Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects

    尤其是在過去全球變化pages研究中,埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外,對于中國這樣典型的季風氣候國家,開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚,研究方法和研究內容上也比較簡單,還存在不小差距,既要進一步積累基礎資料,又要做區域對比,加強與相關學科的交叉研究。
  9. The author analyzes the change rules of fuel consumption and the mass of the main exhaust emission pollutants ( nox, pm, co, hc and carbon ) with the operating parameters ( speed and load ), points out that nox and pm are the primary exhaust emission pollutants which affect the turbocharge - intercooled diesel engine to reach the requires of emission regulations, and map the figure of compositive exhaust emission characteristic

    分析了有效燃油消耗率及各主要排放污染物( nox 、 pm 、 co 、 hc 、碳煙)的排放量隨運轉參數(轉速n與平均有效壓力p _ ( me ) )的變化規律。指出nox與pm是影響增壓中冷柴油機排放達標的主要排放污染物,並繪制了排放綜合特性圖。這為該類型柴油機的性能分析提供了參考。
  10. The authors analyzes the function change of urban in its evolvement and the eco - environmental problems caused by this change. based on this analysis and the method of systems ecology founded by odum h t, the authors discuss the aim and the principle of urban eco - environment planning under the sustainable development ; put forward the general view of urban eco - environment planning in which the kernel is the adjusting of industry structure, land - use structure and spatial pattern ; construct the dynamic simulating model of eco - environment planning of guangzhou city, china which organizes the models of economy, population, the equilibrium of carbon and oxygen, and other models of atmospheric diffusion, rainwater sedimentation, vegetation absorbing to so

    在剖析城市演化歷程中的功能變遷與導引的生態環境滯脹類型和危害的基礎上,著重利用系統生態學的原理和方法,探討了可持續發展要求下的城市生態環境規劃的目標原理和研究的內容方法及過程提出了以產業結構土地利用結構和空間格局的調整為核心制定城市生態環境規劃的總體思路創造性地融大氣擴散雨水沉降和植被吸納so
  11. Land use cover change effects on carbon cycling in terrestrial ecosystems

    覆蓋變化對陸地生態系統碳循環的影響
  12. A slight geometry change in spain, though the pick - up points remain the same, on the carbon fibre shell of the gearbox casing

    這是一個幾何上細小的改變,雖然拾起點還在原來的位置,變速箱的碳纖維外殼上。
  13. The change is subtle but troubling because carbon dioxide and methane constitute the primary greenhouse gases in the atmosphere, returning heat to the earth instead of allowing it to escape into space

    這項改變雖不易察覺,卻會造成問題,因二氧化碳與甲烷構成大氣中主要的溫室氣體,熱會被保留在地球而難以散逸到太空中。
  14. The result of md simulation means that : ( 1 ) the microstructure in the amorphous carbon has no obvious change, the slippage which is parallel to the fiber axes in the graphite slices of the pyc interphase was found ; ( 2 ) bulk moduli of every part of interphase diminished, young ' s moduli in all three direction of amorphous carbon diminished, young ' s moduli of the graphite slices in the direction of parallel to the fiber radial decreased, and ones in the direction of parallel to the fiber axes increased

    分子動力學模擬結果表明, ( 1 )界面相內部無定形碳部分微結構無明顯變化,石墨片層部分沿纖維軸向滑移; ( 2 )界面相模量發生變化,界面相區域各部分的體積彈性模量降低,無定形碳部分及石墨片層部分垂直於纖維軸向的楊氏模量降低,平行於纖維軸向的楊氏模量升高。
  15. As a signatory to the kyoto pact on climate change, britain must reduce carbon emissions by 20 percent by 2010

    作為有關氣候變化的京都議定書的簽署國,到2010年英國必須將碳排放量減少20 。
  16. So this paper try to study fresh air and indoor air quality problem with uncertain method. this paper firstly utilizes grey systematic theory and already existing definite physical model to develop the non - intrinsic grey model of the effect of outdoor air on indoor air and analyse every grey parameter in the non - intrinsic grey model. on the basis of above mentioned, the change of carbon dioxide concentration indoor with the change of time is evaluated

    根據灰色系統理論的建模思想,利用灰色系統理論和原有的確定性物理模型建立新風量對室內空氣品質影響的灰色非本徵模型,並對灰色非本徵模型中的各個灰參數進行分析,在此基礎上,將建立的模型對不同新風量條件下室內co _ 2濃度隨時間的變化過程進行模擬計算分析。
  17. The soils and sediments organic matter ( som ) are highly heterogeneous and comprise various complex organic macromolecules such as humus, kerogen, black carbon ( bc ), etc. the relative abundance, characteristics and structure of these som play a important role on the global carbon cycles, global change, transformation and fate of the organic and inorganic pollutants, the soil fertility

    土壤和沉積物有機質是高度非均質的,包括許多復雜的有機高分子聚合物如腐殖質、乾酪根、碳黑等。這些有機質的相對含量,性質和結構對全球碳循環,全球氣候變化,有機和無機污染物在自然界的遷移、轉化和歸宿,土壤的肥力等有非常重要的影響。
  18. In that regard, the postmeeting statement was almost a carbon copy of the fed ' s nov. 10 announcement, although the policy committee did make a key procedural change

    從那個角度來說,會后聲明幾乎就是聯儲11月10日公告的一個副本,僅僅不同的是政策委員會在程序方面有一個關鍵的變化。
  19. Impacts of land use change on soil organic carbon change in china

    全球土壤有機碳總量達1 270
  20. But concern over climate change, hassles at overcrowded airports, delayed flights and congested roads have conspired with better high - speed rail technology to make the train an increasingly attractive alternative, and an especially green one : a full high - speed electric train emits between a tenth and a quarter of the carbon dioxide of a plane, according to the bosses of eurostar

    但是,伴隨者更好的高速鐵路技術,有關氣候變化的擔憂,過于擁擠的機場的煩擾,晚點的航班以及擁塞的道路一起都促使列車變成了愈來愈吸引人的選擇,並且是特別綠色環保的一種選擇:根據歐洲之星老總們的說法,一個高速電氣化列車排放的二氧化碳只有一個飛機的1 / 10到1 / 4左右。
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