physical-chemical condition 中文意思是什麼

physical-chemical condition 解釋
物理化學條件
  • 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...
  • 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...
  • condition : n 1 狀態,狀況,情形;品質。2 〈pl 〉外界狀況,周圍情形。3 地位,身分。4 條件;【語法】條件子句。...
  1. 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。
  2. 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。
  3. Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds

    研究表明,該活性物質具有較強的熱穩定性, ph 9的條件下能穩定存在,但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失;活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水;薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點;由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素,可能為一新的抗菌活性物質。
  4. It sets up a evaluated system by analyzing groundwater chemical components, through studying pertinence in water chemical component and soil strength, it also puts forward that water chemical change can map soil strength variation under water - soil interaction. from the theory of the water - soil interaction on, the interrelation of city construction, the variation of groundwater condition and the soil structure strength is analyzed and that the measure of soil structure and the significance which is by the water - soil interaction is studied in this paper. at the same time, in the paper : the recourse of the soil structure strength is summarized ; the physical meaning of soil mini - scale structure is defined ; the measure of soil structure is classified ; the four basis forms of the water - soil interaction is induced ; the chemistry mechanism of the water - soil interaction is discussed

    通過水化學組份與土強度間的相關性分析,提出水化學組份的變異可以映射水土作用下土強度的變異;從水土作用的理論出發,分析了域市建設、地下水環境變異與土結構強度間的相互關系,研究了土的結構尺度及其在水土作用中的意義:總結了土的結構強度的來源、定義了土細觀結構的物理涵義井劃分了土的結構尺度及層次、歸納了水土作用的四個基本形式、討論了水土作用的化學作用機理。
  5. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括:菌種的影響,菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率;石油物質本身物理化學特性的影響,如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性;生存環境條件的影響,在接種入高效率的降解菌或利用土著微生物進行降解時,降解率受到生存環境中各種條件的影響,如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。
  6. The composition and physicochemical condition of ore - forming fluids were determined by the analysis of chemical composition, 6 d, 18o and physical chemistry parameters of fluid inclusions in quartz veins, which are closely related to gold mineralization in gaize area

    通過對石英礦物中的流體包裹體特徵、成分、流體水的氫、氧同位素及其物理化學參數的分析與測定,論證了成礦流體的成分及物理化學條件。
  7. Based on orthogonal experimental avenue, dmm is manufactured by local po, sa, and phosphorus slag flying ash, yellow slag and ect. and formulate optimum mixture program and production technology requirement ; on basis of jcj70 - 90, physical mechanics property is quizzed, adopting chemical analysis, xrd, sem and so on, discuss composition and structure. the researchable result is that mixture program of dmm : a3b2cl ( cement 403 m2 / kg, phosphorus slag357 m2 / kg, activated agent 2 % ), after the condition of c / s1 : 4, adopting ordinary portland cement

    採用正交試樣方法,用本地生產的普通硅酸鹽水泥、硫鋁酸鹽水泥、磷渣、粉煤灰、黃砂等原料配製抗滲干拌砂漿,確定最佳的配料方案和生產技術要求;按jcj70 ? 90 《建築砂漿基本性能測試方法》測定砂漿的各項物理力學性能;運用化學分析、 x衍射儀、掃描電鏡等測試手段,檢測配製砂漿的組成和結構。
  8. A biological, chemical or physical agent in, or condition of, food with the potential to cause an adverse health effect

    食品中可能存在的影響人體健康的生物、化學、物理因素,或狀況。
  9. According to codex alimentarius, hazard is a biological, chemical or physical agent in, or condition of, food with the potential to cause an adverse health effect

    根據《食品法典》 ,危害是指食物內或食物本身的某種生物、化學或物理媒介物或狀況,而該種媒介物或狀況可能對健康造成不良影響。
  10. According to codex alimentarius, hazard is a biological, chemical or physical agent in, or condition of, food with the potential to cause an adverse health effect. hazard analysis critical control points

    根據食品法典,危害是指食物內或食物本身的某種生物化學或物理媒介物或狀況,而該種媒介物或狀況可能對健康造成不良影響。
  11. The chemical process by means of which a change in physical condition, as in pressure or temperature, or the action of a solvent causes a molecule to split into simpler groups of atoms, single atoms, or ions

    離解(作用)在物理狀態下,如在壓力或溫度下的變化,或在溶劑的作用下,使分子分離為更簡單的一組原子、單原子或離子的化學過程
分享友人