碳勢 的英文怎麼說

中文拼音 [tànshì]
碳勢 英文
carbon potential
  • : 名詞[化學] (非金屬元素) carbon (c)
  • : 名詞1 (勢力) power; force; influence 2 (一切事物力量表現出來的趨向) momentum; tendency 3 (自...
  1. Our study shows that maturity has an effect on the evolution of long chain alkyl benzenes, that is, with the increase of maturity, the carbon number distribution of alkyl benzenes shifts to the lower homologues isomers ; relative abundance of alkyl benzenes isomeride decreases, whereas n - alky benzenes increase

    研究表明:長鏈烷基苯的演化受成熟度的影響,表現為隨著成熟度的增加,長鏈正構烷基苯的數分佈前移,長鏈烷基苯異構體相對豐度減小;而正構烷基苯相對豐度有增加的趨
  2. Without considering other aspects, carbon nanotubes with the same aspect ratio have entirely uniform trend in charge density relative distribution curve

    在忽略其他條件影響下,長徑比相同的納米管,電荷密度相對分佈曲線趨完全相同。
  3. It has been proved that the cnt has good characteristic on the field emission. at the same time, people have noticed that the nanosized diamond has a low nea

    納米管已經被證實具有良好的場發射特性,而金剛石超微粉也具有負電親和低的特點。
  4. 67 - 154. 02 % ( no determinate in paddy field on quaternary red clay ), respectively. after organic amendments and fertilizers were added to the metsulfuron - methyl - contaminated soils, microbiai biomass c increased by 0. 23 - 113. 14 % in paddy field on desalting muddy polder, 0. 30 - 46. 48 % in blue clayed paddy, and 1. 82 - 83. 76 % in paddy field on quaternary red clay, respectively, microbiai biomass n in correspoading soils by 4. 27 - 67. 87 %, 5. 43 - 58. 36 % and 5. 05 - 95. 40 %, respectively, and microbiai biomass p by 6. 03 - 139. 59 % 4. 09 - 141. 26 % ( no determinate in paddy field on quaternary red clay ), respectively

    ( 4 )添加有機、無機物質后,勞去津除草劑污染的三種土壤中微生物生物量、氮隨培養時間變化的趨基本一致,即0 ~ 7d微生物生物、氮降低,但第7d時,添加有機、無機物質的處理中微生物生物量、氮均高於僅加養去津的處理和空白對照; 7 ~ 14d微生物生物量、氮迅速增加; 14 ~ 42d又下降, 42d后變化較小。
  5. Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record

    粘土礦物、酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨分析、 poc c ~ ( 13 )及底質沉積物的c ~ ( 13 )等多方面研究表明:以黃海暖流為主導,南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質,黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。
  6. If business - as - usual trends did lead to the widespread adoption of synfuel, then capturing co2 at synfuels plants might well produce a wedge

    假使現行政策與產業體系的趨真的使合成燃料普遍使用,那麼在合成燃料廠捕集二氧化,也可能達成一塊楔形。
  7. Rufifacies, peak 16 ( unknown ) and 25 ( 11 -, 13 -, 15 - methyl - hentriacontane ) for b. peregrina and peak 3 ( unknown ), 4 ( tricosene ) and 23 ( unknown ) for p. crassipalpis. additionally, the models were developed respectively to determine the larval age of different flies accurately. 2 temperature effects of time - associated characteristic in cuticular hydrocarbons of aldrichina grahami larva highly significant correlation were observed between the relative abundance of some larval cuticular hydrocarbons associated with gas chromatographic peaks and the chronological age of al

    2溫度對巨尾阿麗蠅幼蟲表皮氫化合物組成時間特徵的影響及日齡推斷模型的建立巨尾阿麗蠅幼蟲表皮氫化合物組份色譜峰,即p30 (二十五烯a ) 、 p33 (正二十五烷) 、 p48 (二十七烯a ) 、 p49 (二十七烯b )和p79 (正三十一烷)含量與幼蟲日齡呈極顯著相關,且在不同恆溫( 16 、 20 、 24和28 )下的變化趨基本一致。
  8. The total carbon absorption increased from 1981 to the end of 1990 ' s and decreased afterwards, but the total carbon emission increased constantly from 1981

    吸收從20世紀90年代末以來呈下降趨,而排放則持續增加,其中各省份的吸收排放差別顯著。
  9. Both total carbon absorption and emission of costal farmland ecosystems were increased from 1981 to 2001, but the increasing rate of carbon emission exceeded that of carbon absorption

    吸收和排放從1981年以來都呈增加的趨,但排放的增長超過了吸收的增長速度。
  10. In details, the increasing rate of carbon absorption in guangxi province was the highest, which in tianjin and shanghai city was about zero and was negative in fujian and zhejiang. carbon emission was increasing in all the provinces, among which the increasing rate of shanghai was the highest

    吸收來說,廣西、山東增長最快,天津、上海基本上持平,而福建、浙江等省份則基本上逐年下降;就排放來說,各省份都呈逐年增加的趨,其中上海增幅最大。
  11. Further, the trend of per area carbon absorption and emission was similar to that of total respectively. in general, per area carbon absorption was about 2 - 7t / ha, which in guangxi was the highest among the ten regions. per area carbon emission was about 0 - 3t / ha, which in shanghai was the highest

    就單位面積而言,單位面積吸收和排放趨分別與總吸收及排放相近,大部分地區保持在2 - 7噸公頃之間,其中廣西的單位面積吸收最大;單位面積排放逐年增加,基本上保持在0 - 3噸公頃之間,其中上海增幅最大。
  12. But the threat of a patchwork of state regulations, combined with the opportunity to profit from new technologies, began to shift business attitudes. ( 4 ) and that movement has gained momentum [ 3 ], because companies that saw their competitors espouse carbon controls began to fear that, once the government got down to designing regulations, they would be left out of the discussion if they did not jump on the bandwagon

    而且,這種頭越來越猛,因為企業眼見其競爭對手贊成控制排放,開始擔心如若自己不「順而動」 ,那麼一旦(聯邦)政府考慮制定有關規定時,就不會采納他們的意見。
  13. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究:無氮培養條件下,測定溫度、源、酸堿度、滲透壓對w12生長及固氮能力的影響,結果表明,在15 - 40下均能生長並表達固氮酶活性,其最適生長及固氮的溫度為25 - 35 ;能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種源生長並固氮,當培養基中同時存在蔗糖和蘋果酸時,細菌生長和固氮活性最強;在偏酸和偏堿的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長和較高的固氮酶活性,並能通過調節自身代謝平衡並適應環境的酸、堿性變化,使培養液趨于中性:能耐受較高的滲透壓,培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大,當naci濃度升至2時,菌株的生長及固氮酶活性才有所下降:低濃度的鉸對其固氮酶活性影響不大,在0
  14. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  15. The emission of greenhouse gases - - including carbon dioxide from petroleum - fueled vehicles and coal - fired power plants - - is the prime human cause of this warming trend, the panel said

    小組人員稱:溫室氣體排放- -包括:燃燒石油的車輛和燃煤發電站二氧化- -是(引起)變暖趨的第一大的人為因素。
  16. The content of this paper contains : chapter one introduces the basic concepts, developing course, research significance, application foreground and the present research state of other countries in the world. chapter two introduces the structure characteristic and the performances and applications in the areas such as mechanics, physics and chemistry, then analyzes the present state, existing problem and developing trend of nanotubes research. chapter three introduced several synthesis methods and purification methods of nanotubes and nanofibers detailedly. chapter four concentrates on the research of two foreign research groups who use carbon - hydrogen gases flames to produce carbon nanotubes

    論文的主要結構如下:第一章介紹了納米材料科學的基本概念、發展歷程、研究意義、應用前景及世界各國的研究現狀。第二章闡述了納米管的結構特徵以及力學、物理和化學等各方面性能和應用,並且分析了納米管這種新型材料研究目前現狀、存在問題及發展趨。第三章詳細介紹了納米管和納米纖維的幾種傳統制備方法及純化方法。
  17. The organic matter, total n, hydrolytic n were increased, then reduced with the increase of abandoned time. the loss of organic c got up to 59. 4 % in abandoned land. in 0 - 20cm, the sand content of 0. 25 - 0. 05mm was increased gradually, the average content of sand in the abandoned land was up to 76. 84 %, the sand contents of silt and sand was gradually reduced, the soil mechanic compose became coarse

    隨撂荒年限的增加,土壤有機質、全氮、堿解氮等主要養分均表現出先降低后增加的趨;撂荒地有機的損失平均達到59 . 4 ;在撂荒地表面0 - 20cm范圍內, 0 . 25 - 0 . 05mm粒徑的砂粒含量逐漸增加,各撂荒地砂粒平均含量達76 . 84 ,粉粒和粘粒含量逐漸降低,土壤機械組成出現粗化現象。
  18. Abstract : a new process of drop - feed gas carburizing with enhanced pressure and mass flow has been described

    文摘:用高爐壓、大劑量煤油滴注進行氣體滲,所形成的滲氣氛碳勢可達2 . 0 % 2 . 6 % ,工件表面無黑沉積。
  19. The changing carbon potential carburization - hot oil matrempering technology of helical bevel gear for automobile driven axle is introduced in this article. the board test and production application show that the technology not only quenchs directly gear after carbrization, but also decreases the heat treatment deformation and raises the contact fatigue life of gear

    介紹了汽車驅動橋螺旋錐齒輪的變碳勢一熱油分級淬火工藝,臺架試驗及生產應用表明,該工藝與專用滲淬火掛具相結合,不僅可實現齒輪滲后直接淬火,而且熱處理變形小,齒輪接觸疲勞壽命也有所提高。
  20. Dealed with application of microprocessor for gas carburizing to control carbon potential in order to improve the quality of products. it sprinciple and method were given

    論述了氣體滲工藝中應用微機控制碳勢的原理和方法。此控制系統可提高滲件的質量。
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