heat precipitation 中文意思是什麼

heat precipitation 解釋
熱沉澱
  • heat : n 1 熱;熱力;熱度;熱量。2 體溫;發燒。3 (氣候的)高溫,暑氣。4 【冶金】熔煉的爐次;裝爐量;一...
  • precipitation : n. 1. 猛然摔下,落下。2. 猛沖;急躁,輕率,魯莽。3. 【化學】沉澱(作用);降雨(量);(雨、雪等的)降落。
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化晶粒及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬度曲線中產生明顯的二次硬化現象。
  2. Proceed from the present situation of nanometer tio2 powder industry in our country, confront more problems in preparation of nanometer tio2. on the base of analyzing advantages and disadvantages of existing every methods, neutralization precipitation method is adopted, using self - prepare tioso4 solution as raw material, soda as precipitant to precipitate titanous hydroxide precipitation, then obtained anatase nanometer titanium dioxide after heat treatment

    從我國發展納米tio _ 2粉體產業的現狀出發,針對納米tio _ 2制備中現存的問題,我們在綜合分析對比了現有各種方法優缺點的基礎上,採用中和沉澱法,以自制的tioso _ 4為原料,碳酸鈉作沉澱劑沉澱出ti ( oh ) _ 4沉澱,經熱處理得到銳鈦型納米tio _ 2粉體。
  3. The dependence of oxygen precipitation and induced - defects in heavily as - doped silicon on heat treatment process was studied by annealing and ig process, chemical etching, scanning electron micrograph ( sem ) and transmission electron microscopy ( tem ). a developed ig technique was suggested and the mechanism of the influence of as on oxygen precipitation formation in heavily as - doped silicon was discussed

    本文通過化學腐蝕、光學顯微鏡、掃描電鏡( sem ) 、透射電境( tem )等分析技術,對重摻砷硅單晶在單步退火工藝和內吸雜退火工藝中氧沉澱及誘生缺陷的形態,形核與熱處理溫度、時間的關系等進行了研究。
  4. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象,對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本理論出發,結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同氣候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合理利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原理計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。
  5. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  6. 4. after heat treatment ni - w - b alloy was both coarsened in grain size and led to the evolution of ni4w and precipitation of ni - b compound

    Ni w b合金電沉積層及其復合鍍層的顯微硬度值比ni w合金電沉積層的顯微硬度高。
  7. The interannual and decadal variability of precipitation for yunnan province in rainy season and its relationship with tropical upper layer heat content

    雲南省雨季降水的年際年代際變化特徵及其與熱帶上層海洋熱含量分佈的關系
  8. ( 4 ) there exists obviously negative correlation between the heat source over the bay of bengal and the precipitation of the sourtn of the yangtze river and the parts of the east of south china in summer, and there exists obviously positive correlation between the heat source over the bay of bengal and the precipitation of the area from the sourth west in china to the west of south china

    孟加拉灣熱源異常對南亞高壓、南亞季風、副熱帶高壓的影響是顯著的,對東亞熱帶季風的影響並不顯著。 ( 4 )夏季孟加拉灣熱源與同期長江以南、華南東部的部分地區的降水存在明顯的負相關關系,而與西南到華南西部地區呈明顯的正相關關系。
  9. After heat treatment, hardness of the coating is greatly improved because of precipitation of niap phase, while the difference of wear resistance between low - p coatings and high - p ones becomes little

    鍍層經熱處理后,由於ni _ 3p的析出使鍍層硬度得以提高;低磷鍍層和高磷鍍層在熱處理后的耐磨性能燕山大學工學博士學位論文差別不大。
  10. The responses of asian monsoon circulation to the heat source annual anomalies over the bay of bengal and philippines in summer and the annual relationships between the heat sources over the bay of bengal and philippines and the precipitation of china in summer are studied emphatically, with the results as follows : ( 1 ) the coverage and intensity of atmospheric heat source are the largest and strongest in summer and then turn smaller and weaker in autumn and winter, and in turn begin to become larger and stronger in spring again

    著重討論了夏季孟加拉灣和菲律賓熱源年際異常時,亞洲季風環流系統的響應,及其與中國夏季降水的年際關系。結果表明: ( 1 )夏季大氣熱源的范圍最大,強度最強,以後以秋、冬季依次變小變弱,春季又開始變大變強。夏季亞洲季風區有三個強的大氣熱源中心,其中以孟加拉灣熱源最強,菲律賓熱源和印度半島西部熱源次之。
  11. Using the daily and monthly ncep / ncar reanalysis data from 1951 to 2000 and monthly precipitation of 160 stations in china in summer from 1951 to 2000, the climatic distribution of heat source are computed. the responses of the asian monsoon circulation to the annual anomaly of the heat source over the bay of bengal in summer and the annual relationship between the heat source and the precipitation of china in summer are analyzed

    摘要利用1951 - 2000年ncep / ncar再分析逐日及月平均資料和我國160個測站1951 - 2000年月降水量資料,計算了夏季大氣熱源氣候分佈,分析了夏季孟加拉灣地區熱源年際異常及亞洲季風環流系統的響應,以及夏季孟加拉灣地區熱源與中國夏季降水的年際關系。
  12. 6. through analysis and discuss of the precipitation mechanism of cr phase, it can be deduced that primary ( cr ) phase exhibits petal shape or triangular due to solute and heat flow in local fluid

    6通過對初生相( cr )相析出機制的初步分析和探討,認為由於熔體局部的溶質和熱流波動,初生相的生長形態有花瓣狀或三棱形。
  13. Inertial instability always existed in strong inertial stability area, furthermore, acceleration field caused these two factors can give rise to air convergence and divergence in upper level, which made cyclone strengthened and precipitation enlarged. reinforced precipitation caused latent heat enlarged again, which led to inertial instability augmented

    慣性不穩定總是伴隨強慣性穩定區存在,這兩者產生的加速度場可形成高層的輻合、輻散引起氣旋加強以及降水加大,降水加強又可使潛熱進一步加大和擾動槽加強,從而導致慣性不穩定加劇。
  14. It has been widely used as binder for making heat - insulating board for lundish, featuring stability, high fized - carbon, no poison, no precipitation, etc … it produced so much favourabte comment and trusr from customers

    廣泛用於轉爐修補料、乾式中間包振動料、冶金連鑄中間包絕熱板作結合劑,它具有性能穩定、固定碳高、無毒、無沉澱的特點、多年來深受廣大用戶的信任和好評。
  15. This paper proposes the indexes for the climatic division and suitability of tobacco growth in yunnan according to the regional climatic characteristics : heat resource as primary index while precipitation and sunshine duration as secondary indexes

    摘要根據雲南烤煙氣候特點,提出了判別雲南烤煙氣候類型及其適宜性的指標:熱量為一級指標,降水和光照為二級指標。
  16. The results show that it has the sufficient sunshine, cool weather, sharp heat distribution, lack precipitation and reasonable match of heat and light

    結果表明定西市具有光照充足、光能資源豐富、氣候溫涼、熱量分佈差異大、降水少變率大、光熱水匹配基本合理等特點。
  17. In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received

    採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 ( 0 < x 1 / 2 )層狀固溶體系列,綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響,確定出了最佳合成工藝:以硝酸鋰為鋰源,超聲波作為分散動力源,鋰源與鎳鋁金屬鹽摩爾比為1 . 05 : 1 , 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳,在2 . 8 ~ 4 . 40v之間, 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。
  18. These precipitation - hardened aluminum alloys gain their high strengths through heat treatment involving a severe quenching operation, which introduces a very high level of residual stresses

    這些鋁合金為獲得高強度,必須進行固溶與時效處理,其中在淬火過程中會產生很大的殘余應力。
  19. The stability good, heat - resisting, the fast light, bears storing, but to oxidant sensitive, the sodium, the potassium, the calcium, the barium, the zinc, the copper and the micro hard ion pair it does not have the influence, but meets the tin to change the rose to be red, meets the lead and the abundant 2 prices iron ion, then discoloration and the precipitation

    穩定性好,耐熱、耐光、耐貯存,但對氧化劑敏感,鈉、鉀、鈣、鋇、鋅、銅及微量鐵離子對它無影響,但遇錫變玫瑰紅色,遇鉛及多量2價鐵離子,則褪色並沉澱
  20. 5. the correlation between 100hpa height field and 500hpa height field, precipitation field, sst field and apparent atmospheric heat source and moisture sink field are also studied by using singular value decomposition and the conclusions are similar to those by composite and correlation analysis

    ( 5 )用svd分解法研究了夏季100hpa高度場和夏季500hpa高度場,前期和同期海溫場、大氣視熱源和視水汽匯場的相互關系,得到了與前面用合成分析和相關分析類似的結論。
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