chemical formation 中文意思是什麼

chemical formation 解釋
化學結構
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  • formation : n. 1. 構成,形成;設立;編制。2. 組織,構造;形態;形成物,構造物;【軍事】編隊,隊形;兵團。3. 【地質學;地理學】層;組; 【生物學】社區;(植物)群系。adj. -al
  1. Using in situ formation of ternary boride base cermets hard phases through chemical reactions and sinterbonding onto steel substrates though liquid sintering we successfully prepared a kind of ternary boride base cermet

    摘要通過化學反應將原料粉來生成三元硼化物硬質相併通過液相燒結燒與鋼很好的結合,用這種工藝成功地在鋼基體上塗覆了預壓制的三元硼化物基金屬陶瓷。
  2. The chemical mechanism of surface formation in early enamel caries

    早期釉質齲表層形成的化學機制
  3. Chemical reactions always involve the formation or the breaking down of one or more compounds.

    化學反應總是包含一種或多種化合物的生成和分解。
  4. Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin

    通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上,指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致;運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界面地溫分佈特徵;闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件,中低溫對流型地熱系統是地熱勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。
  5. Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center

    通過宏觀到微觀的分析,筆者認為,檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子,影響了二水石膏晶體的晶核長大過程;多聚磷酸鈉與鈣形成某種復鹽,對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響;骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附,使二水石膏晶體的成核和長大困難。
  6. The chemical reaction happens when the solution of water soluble resin is filled into formation and generates water indissoluble material. the material will shut off the water channel

    將水溶性樹脂脂溶液注入到油層中,溶液發生反應,生成不溶於水的物質,堵塞水流通道,從而達到堵水的目的。
  7. This paper summarized the disturbance effect of rodents on soil ( pedogenesis, patch formation, and physical and chemical properties ) and vegetation ( species diversity, productivity, and seed dispersion ), aimed to illustrate the contributions of rodents activities to desert ecosystem

    本文主要從鼠類活動對土壤(包括土壤發生過程、土壤斑塊的形成、土壤理化性質)和植物群落(包括物種多樣性、生產力、植物種子)的擾動效應做了歸納總結,旨在闡明鼠類在荒漠生態系統中的作用。
  8. 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。
  9. The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage

    系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖;儲層巖石經歷了壓實,膠結,溶蝕等成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠結充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙結構類型以細小孔-微孔隙,微細喉-微喉型為主。
  10. The authors studied the characteristics of element geochemistry, mineral assemblage and microtexture of the white reticulate clay in the quaternary laterite of the dongting basin with some experimental analysis methods, such as chemical analysis, x - ray diffraction analysis, ir and sem analysis. the genesis of the vermiculate reticulate clay and the rhizomatic reticulate clay in the quaternary laterite of the dongting basin are discussed. the formation of crannies or holes in the soil and the transference of soil elements are absolutely necessary conditions to form the white reticulate clay in laterite

    在野外考察的基礎上,運用化學全量分析x射線衍射分析紅外光譜分析和掃描電鏡微形貌分析等實驗方法和手段,對洞庭盆地第四系紅土地層中網紋的元素地球化學礦物組合特徵和微形貌特徵進行了系統研究,對洞庭盆地紅土地層中2種主要的網紋類型蠕蟲狀網紋和根狀網紋的成因進行了探討。
  11. This research deeply reflects the students in senior one whose chemical self - efficiency sense current situation and attribution inclination in chemical study, the characteristic and specific situation formation ( the background, precondition ), to carry on students " attribution training during chemical teaching in view of the above ; combining group coach with specific training, facing all students and choose the typical individual to track at the same tune, and to accumulate cases ; giving full play to students " conscious activity through writing diary by reflective thinking or brief summary on learning and setting up chemistry learning file, etc to strengthen one " s own consciousness, learn to regulate oneself ; to evaluate the effect of attribution training, that is, chemistry - learning efficiency, the author actively try combining subjective evaluation with objective evaluation, teachers " evaluation with students " own

    本研究較深入地了解到高一學生對化學學習的自我效能感現狀,高一學生在化學學習中的歸因傾向、特點及其形成的特定情境(背景、前提條件) ,並據此在化學學科教學中對學生進行心理歸因訓練;採用團體輔導與個別訓練相結合,面向全體學生同時選擇典型個體進行追蹤,積累案例材料;充分發揮學生主體的主觀能動性,通過寫反思日記或學習小結、建立化學學習檔案等方法,強化自我反思意識,學會自我調節:積極嘗試主觀評價與客觀評價、教師評價與學生自我評價相結合的方式,對歸因訓練效果即化學學習效能進行了評價。
  12. In this study, the screening and identification of the different agrobacterium rhizogenes strains were carried out using physiological, chemical, molecular and bioassay methods, and the vigor of different strains was also compared based on their characters ; the transformation of torenia mediated by agrobacterium rhizogenes, the hairy root formation and its regeneration were importantly studied

    本實驗研究了( 1 )發根農桿菌的生理生化、分子生物學鑒定及生物檢測和活力比較; ( 2 )發根農桿菌介導的藍豬耳遺傳轉化和藍豬耳毛狀根的植株再生,為藍豬耳的遺傳轉化和其它分子生物學研究奠定基礎。
  13. In connection with the study of chemical abundances, it is interesting to speculate on the chemical composition of the solar system at its formation.

    同研究化學豐富度有關的一個有趣的問題,是推測太陽系在形成時的化學組成。
  14. The scientific man is interested in finding out the chemical composition of the inside and crust of the earth upon which he lives, the thickness of the atmosphere surrounding it, the quantity and nature of cosmic rays dashing about on the top layers of the atmosphere, the formation of its hills and rocks, and the law governing life in general

    在科學方面,人類所想要發現的,就是他所居住的地球的內部和外層的化學成分,地球四周的空氣的密度,那些在空氣上層活動著的宇宙線的數量和性質,山與石的構成,以及統御著一般生命的定律。
  15. The research and development of chemical power sources, zinc - based and nickel - zinc batteries was reviewed. the shape change, dendrite formation, corrosion and passivation of the rechargeable zinc electrode and the ways to solve the above problems were discussed as well

    本文全面概述了化學電源的發展,鋅基電池的現狀以及鋅鎳電池的發展狀況,分析了可充鋅電極存在的變形、枝晶、腐蝕與鈍化的原因及其解決途徑。
  16. Application status of die casting non - ferrous alloy is surve yed. comparison between chemical composition of die casting non - ferrous alloy at home and abroad is offered. some common considerations existing in application a re offered and reason for defects formation and resolving methods are analyzed. d evelopment tendency of die casting non - ferrous alloy is introduced

    概述了有色壓鑄合金的應用現狀,列舉了國內外有色壓鑄合金化學成分對比,提出了它們應用中存在的一些共性問題,分析了產生這些問題的原因及防止措施,介紹了有色壓鑄合金發展趨勢。
  17. The recent synthesis progress of glycoconjugate is reviewed, including the various methods of the glycosidic bond formation by chemical synthesis and the synthesis strategies of novel complex glycoconjugates, such as glycopeptides, glycoproteins and glycolipids

    摘要文介紹近年來各種糖綴合物化學合成的研究進展,包括各種糖苷鍵的化學合成方法以及各種特殊復雜糖綴合物,如糖膚、糖蛋白、糖脂的化學合成策略。
  18. The average abundance distributions of heavy elements in metal - poor stars can provide fairly direct and detailed information on the nucleosynthesis in every stage after the formation of galaxies. furthermore, it can put more accurate constraints on the chemical evolution of neutron - capture elements. the solution to this problem will have important effect on the solution to a series of problems about nuclear astrophysics and the galactic evolution

    貧金屬星的中子俘獲元素豐度分佈能提供星系形成后各個階段核合成的較為直接和詳細的信息,並為星系化學演化的研究提供更為準確的約束,這一問題的解決將對核天體物理及星系化學演化的一系列問題的解決產生重要影響。
  19. According to the theory of hydrology, hydro - chemical and hydrology, geology and isotopic geo - chemical, and the method of non - linear regression mathematics, the author researched and analyzed the cause of formation and variable features of lakes in jiuzhai valley, then draw the conclusions as follow 1

    以水文地質學、水文地球化學、地質學、同位素地球化學的理論為依據,並結合非線性回歸數學方法,對九寨溝湖泊成因和動態進行分析研究,得出如下結論: 1
  20. Study on chemical composition characteristics of tonstein in taiyuan formation in xinwen and feicheng coal fields

    陸表海盆地含煤地層的高解析度層序地層研究
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