physical and chemical 中文意思是什麼

physical and chemical 解釋
物理與化學科學
  • physical : adj 1 物質的，有形的，形而下的 （opp psychical spiritual mental moral）; 確鑿的；外界的。2 身體的...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • 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...
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. So the effect of eutrophication of dianchi lake of sediment ca n ' t be ignored. based on the research of modern sediemnt of dianchi lake, the thesis is concerned about some physical and chemical characteristics ( including magnetic susceptibility, ammoniac nitrogen and effective phosphprus etc. ) and thermodynamics analysis of spontaneous mineral of iron

    本論文主要以滇池現代沉積物為研究對象，對滇池現代沉積物的主要物理和化學性質（包括氨氮、有效磷、磁化率等） ，進行基礎性地分析研究並對滇池現代沉積物鐵的自生礦物進行了熱力學分析。
  3. Mathematical, physical and chemical symbols of chinese braille

    中國盲文數學物理化學符號
  4. Study on physical and chemical properties of the roasted brown rice

    焙炒糙米理化性質的研究
  5. Cubic boron nitride ( cbn ) is a synthesized wide - band - gap iii - v compound semiconductor and has lots of excellent physical and chemical properties. it has been attracted a nice bit of attention for years because of its application in mechanics, calorifics, optics and electronics

    立方氮化硼（ cbn ）是一種人工合成的寬帶隙-族化合物半導體材料，它有許多優異的物理化學性質，在力學、熱學、光學、電子學等方面有著非常誘人的應用前景，多年來一直吸引著國內外眾多研究者的興趣。
  6. Soil physical and chemical characters changes of caragana microphylla plantation for sand fixation in keerqin sandy land

    科爾沁沙地小葉錦雞兒人工固沙區土壤理化性質的變化
  7. In this paper, the physical and chemical properties, the toxicological characteristics, the biosynthetic pathway and the detection method of citrinin produced in monascus were introduced and the relative counter measures to eliminate citrinin were also illustrated

    介紹了紅曲中產生的桔黴素的理化性質、毒性、產生途徑和檢測方法等的研究現狀，並就如何消除紅曲中桔黴素提出了對策。
  8. We introduce the research progress about functional components in lily such as lily - polysaccharide, lily - brownii, colchicum autumnale, phenolic compounds acylglycerol, phospholipids, mineral element, lily dietary fiber, especially its elements and structure, physical and chemical characteristics, and its physiology and pharmacody function

    摘要介紹了百合中百合多糖、百合皂甙、仙水秋堿、酚酸甘油脂、磷脂、無機元素、百合膳食纖維等功能性因子的研究進展，尤其是在功能性因子的化學組成與結構、物化特性、生理與藥理功能等方面的研究。
  9. This paper describes fluopicolide, a new fungicide for control of oomycete diseases such as downy mildew and late blight, providing its chemical name, physical and chemical properties, toxicity, route of discovery, mechanism of action, efficacy, patent status, and synthesis methodology

    摘要介紹了防治卵菌綱病害如霜霉病和晚疫病的殺菌劑氟啶酰菌胺，內容涉及化學名稱、理化性質、毒性、創制經緯、作用機理、藥效結果、專利概況與合成方法等。
  10. Pharmacogonostial characteristic and physical and chemical identification of folium syringae

    丁香葉生藥學特性及理化鑒別
  11. We can get the unqualified light hydrocarbon back to fractional tower to resume fractionating which greatly insures the quality, we combine the science and technology tackle project from da qing natural gas company - the research on microcomputer detection and control system in light hydrocarbon blending crude oil, analyze the machining technology of production device in gas disposing station, study the physical and chemical character of impurity blending in the light hydrocarbon and establish the detection scheme finally

    並讓不合格的產品重新回到分餾塔中進行重新分餾加工，以確保產品質量。本文結合大慶天然氣公司的科技攻關項目? ?輕烴含原油微機測控系統研製，對一分公司油氣處理站的輕烴生產設備進行了生產工藝流程分析，同時也對輕烴和混入的原油雜質進行物理和化學性質的分析，確立了監控設計方案。
  12. 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。
  13. Testing physical and chemical characteristics of tow for cigarette - part 7 : moisture regain

    煙用絲束測定系列標準第7部分:回潮率
  14. Two of liquid metal materials, i. e. liquid metal pb - 17li and li, are seriously considered for their physical and chemical properties. liquid metal pb - 17li is one of the most attractive candidates for using as breeder, neutron multiplicator and coolant in dual - cooled waste transmutation blanket of fds

    分析了有關液態金屬材料的物理化學特性，經過綜合慎重考慮和研究，選取液態金屬pb - 17li作為氚增殖劑和中子倍增材料，同時也作為冷卻劑和氦氣在包層中分離冷卻。
  15. 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。
  16. Clusters are stable aggregates of a few or thousands of atoms, molecules or ions bound together by chemical or physical force. their special microstructure and peculiar physical and chemical properties cast light on a new way leading to fabricating special materials

    團簇（ cluster ）是由幾個乃至上千個原子、分子或離子通過物理和化學結合力組成相對穩定的聚集體，團簇的微觀結構特點和奇異的物理化學性質為製造和發展特殊的新材料開辟了一種新途徑。
  17. Spatial autocorrelation analysis to the main physical and chemical characters of soil series in zhangpu county based on soter

    的漳浦樣區土系主要理化性狀空間自相關分析
  18. Based on the survey of yangzhou baozi market, eight widely used brands of flour have been selected and their physical and chemical indexes, rheological properties of the dough and the food quality of baozi has been studied

    摘要在對揚州包子市場進行全面調查后，選定市場廣泛採用的8種品牌的小麥粉為材料，對小麥粉的理化指標、面團流變學特性、以及製成包子后的食用品質進行分析。
  19. Because of novel physical and chemical characteristics, carbon nanotubes are widely used as new sensing materials or modified materials. this paper mainly introduced the characteristic study of biosensors and gas sensors modified by carbon nanotubes. with large aspect ratio, carbon nanotubes have excellent biocatalysis

    納米碳管具有新穎的物理化學特性，為傳感器提供了新敏感或修飾材料，將其用於生物酶傳感器和氣敏傳感器，能夠使傳感器具有更好的敏感性。
  20. Firstly, this paper expounds the research on the physical and chemical performance of pumice and the action of those performance to pumice concrete, and the adaptability of calcium lignosulfonate to pumice concrete, and the influence of air - entrained agent to the performance of pumice concrete

    本文首先對浮石的物理、化學性能及其對混凝土的影響進行了系統試驗與研究；並進行了減水劑對浮石混凝土的適應性，以及摻加引氣劑對浮石混凝土性能的影響的分析研究。
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