physical and chemical properties 中文意思是什麼

physical and chemical properties 解釋
理化特性
  • 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...
  • properties : （特性）命令修改特性
  1. Study on physical and chemical properties of the roasted brown rice

    焙炒糙米理化性質的研究
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on

    本文從氫燃料的物化特性和燃燒特徵著手，通過分析氫空氣混合氣燃燒的湍流火焰結構和燃燒化學反應動力學，基於雙區燃燒模型，建立了包括雙區熱力學、準維湍流卷吸燃燒、湍流火焰傳播速度、氫空氣混合氣燃燒化學反應動力學以及傳熱損失等模塊的燃燒模型，並給出了相應的計算方法。
  9. Changes of soil physical and chemical properties in sandy desertification on the duolun prairie

    多倫草原土壤理化性質在沙漠化過程中的變化
  10. Abstract : this paper gives a general review of the prod uction of fats and oils from microorganisms, the important factors that work duri ng the process, qualitative analysis, physical and chemical properties and quality properties of the products as well as the microorganism is applied to make the functional oils and fats at home and abroad. the production of functional fats an d oils from microorganisms are also investigated

    文摘:從影響微生物油脂合成的重要因素、微生物油脂的制備、微生物油脂的定性分析、產品的理化指標和質量指標及利用微生物生產功能性油脂等幾個方面，對國內外微生物功能性油脂的研究進行了綜述。
  11. Abstract : soil fertility of the plantations of paramichelia baillonii, betula alnoides, acacia mangium and altingia excelsa in tropical area of yunnan does not decline rapidly, and the physical and chemical properties of forestland are not affected greatly if the plantations can be managed properly

    文摘:在雲南熱區營造山桂花、西南樺、馬尖相思、高阿丁楓等4種人工林，只要經營得當，對林地土壤理化性質並不造成重大影響，不會引起地力迅速衰退。
  12. The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test, pinhole test, crumb test, tests to defermine salt content of pore water and percentage of exchangeable sodium

    摘要應用碎塊、針孔、雙比重計、孔隙水可溶鹽和交換性鈉百分比等五種試驗方法，結合物理化學性質和礦物成分分析，對西郊、三坪兩水庫大壩心墻土樣進行了多種方案的分散性試驗及長期滲流條件下的滲透變形試驗和鹽分運移試驗。
  13. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  14. In the study, four models were applied and used for prescreening antimicrobial, antitumor and the a - glucosidase inhibitory agents from medicinal fungi including filamentous fungi and macro fungi in fujian ; we studied the antimicrobial, antitumor and a - glucosidase inhibitory activities of three kinds of ganoderma sp. ; as well as we studied the a - glucosidase inhibitor from filamentous fungi w - 20 and its physical and chemical properties. there are abundant antimicrobial, antitumor and a - glucosidase inhibitory agents in filamentous fungi and macrofungi

    本課題以福建省的藥用真菌資源為對象，應用了抗菌、抗腫瘤和-葡萄糖苷酶抑制劑的體外篩選模型，進行了藥（食）用曲的絲狀真菌和大型真菌生物活性物質的篩選；對3種靈芝真菌的抗菌抗腫瘤、 -葡萄糖苷酶抑制活性，以及絲狀真菌w - 20抑制-葡萄糖苷酶的活性物質及其理化性質進行了初步研究，為我省藥用資源的開發利用打基礎。
  15. Some amino acids and drugs imprinted spheres ( mipm ) were prepared via seeds swelling and suspension polymerization, suspension polymerization and emulsion polymerization. the physical and chemical properties of the polymers were analyzed by scanning electron microscope, thermogravimetric analyzer, electron spectrum and solid phase extraction ( microextraction ) technology. the imprinting and recognizing principle of mipm in water was studied through bi - templates imprinting method as well

    分別採用種子溶脹懸浮聚合法、懸浮聚合法和乳液聚合法，在水相中體系制備得到了一系列氨基酸和藥物印跡的分子印跡聚合物微球（ mipm ） ；採用掃描電鏡、熱失重分析、電子能譜分析、固相（微）萃取等技術對制備所得的mipm進行了分析和表徵；採用雙模板印跡的方法對水相中mipm的印跡和識別機理進行了探討。
  16. Studies on physical and chemical properties of lignosulfonate from dahurian larch bark residue after extraction

    落葉松栲膠廢渣木質素磺酸鹽理化性能的研究
  17. Cold pressin extraction of xanthoceras sorbiflia bunge oil and its physical and chemical properties

    文冠果油的冷榨提取及理化性質研究
  18. Comparison of soil physical and chemical properties among various phyllostachys pubescens plantation

    不同毛竹林林地土壤理化性質特徵比較
  19. The layer spacing changes from 2. 2 nm to 3. 3 nm. tio2 is a functional materials with some outstanding physical and chemical properties which have many important application in areas including environmental purification, photocatalyst, and high effect solar cell

    欽酸鉀是一種寬帶半導體材料，現在有過關于用燒結法合成欽酸鉀纖維，並用這些纖維作為復合材料增強劑的報道，但是這種纖維多是微米級的。
  20. Physical and chemical properties of magnetized water

    磁化水的物理化學性能
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