water concentration 中文意思是什麼

water concentration 解釋
濕選
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • concentration : n. 1. 集中。2. 【化學】提濃,蒸濃,濃縮;濃度;稠密度;【礦物】汰選,選礦,富化。3. 集中注意,專心。
  1. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯( mmal苯乙烯舊t )以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素,結果表明: ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  2. The model 625 analyser is designed to monitor the dissolved oxygen concentration in boiler feed-water and other aqueous solution.

    625型分析儀用來監視鍋爐進水和其它水溶液中溶解氧的濃度。
  3. Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid

    摘要以2004年大同市御河乾渠兩場洪水為研究對象,對其流量、含沙量、養分(包括有機質,氮,磷,鉀)做了測定和比較,研究結果表明:洪水中下層泥沙中的養分含量遠大於上清液中的養分含量;洪水中整體養分含量隨著含沙量的增大而增大,並且養分含量和含沙量呈近似線性關系。
  4. Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation

    Ph記憶、水活度及通透性處理的實驗結果表明, ph記憶對轉化有明顯的影響,水活度對模型反應的影響不大;作為完整細胞生物催化,細胞的通透性可能是傳質阻力的重要組成部分,利用不同濃度的乙醇和超聲波對細胞進行處理,結果表明,在有機相完整細胞生物催化中,通透性處理對轉化產生的是負面影響。
  5. Surface tension of the calcium hydroxide solution is higher than that of water when the concentration of additive is the same

    但同濃度下,石灰水溶液的表面張力要高於水溶液的表面張力。
  6. The device serves for distillation of vegetable herbal medicine 、 chinese traditional medicine 、 animal 、 additive, etc. with water 、 ethanol 、 carbinol and act and recycle and concentration of organic solvent

    本設備適用於植物草藥、中藥材、動物藥食品添加劑等。採用水、乙醇、甲醇、丙酮等的提取和有機溶劑的回收與濃縮。
  7. The application of coagulative sedimentation technology in the sludge concentration of water supply plant

    混凝沉降技術在給水廠污泥濃縮中的應用
  8. ( 7 ) rainfalls can " deposit " the co2 in air, making it to take part in the process of karst, to dissolve and corrade carbonate rock. co2 concentration in soil become lower after heavy rainfall and become higher after general rainfall. ( 8 ) the value of chemical characteristic of soil water in the high elevation area is lower than that in the low elevation area

    ( 7 )降雨可以對coz產生影響, 「沉澱」大氣中的co : ,使其參與到巖溶作用中,溶蝕碳酸鹽巖;降雨對土壤空氣中coz的影響與雨強、雨量有關,降雨量、雨強較大時,土壤空氣中的c02產生受到抑制,降雨量和雨強較小時,土壤空氣中的coz濃度升高。
  9. ( 4 ) tc is difficult to be desorbed when preequlibrated water is used as desorption solvent under aerobic and anaerobic conditions. under anaerobic condition, the desorption rate of tc rises with the increase of hach concentration it appears that the tc sorption process is dominated by oxidation - reduction mechanism

    ( 4 )在大氣和低氧條件下,以預平衡水做解吸劑時, tc難于解吸下來,隨著h2o2濃度的增大,解吸率升高,得出tc在花崗巖上的吸附為不可逆的氧化還原吸附機理。
  10. The combinations of the various aquatic plants showed good maintainability in water garden. the concentrations of tp, tn were kept lower effectively in the experimental pool ii ( planted with emersed aquatic plants ) and pool en ( floating and floating leaf aquatic plants and submerged aquatics ) the concentration of tp and tn was relatively higher in pool i which only planted with potamogeton crispus

    用挺水植物和浮葉、漂浮植物組成的試驗池及用挺水植物、浮葉和漂浮植物、沉水植物組成的試驗池比由菹草組成的單一層次結構的試驗池更能有效地維持水體tp 、 tn含量,其景觀也更為豐富。
  11. This method is to obtain multi - fungi from water and waster water by methylene chloride fluid - fluid extract nitrogen, and then take the concentration purification to the highly effective liquid phase color spectrometer where it can be detected by the diode matrix detector

    摘要用二氯甲烷液液萃取氮吹濃縮法萃取水和廢水中的多菌靈,取濃縮純化后的有機相直接進樣到高效液相色譜儀,用二極體矩陣檢測器檢測,根據保留時間外標法定量。
  12. Study on the concentration of glyoxal - water solution by membrane distillation

    膜蒸餾法濃縮乙二醛水溶液
  13. A complex mixed - phase explicit microphysical parameterization scheme, which also be known as reisner 2 explicit scheme was developed for use in the ncar / penn state mesoscale model versions ( mm5 ). the single - moment schemes has additional variables for graupel and ice number concentration, in which the mixing ratio of cloud water, rain water, cloud ice, snow and graupel are predicted and number concentration specified

    Mm5中的reisner2方案是一種含霰的復雜混合相顯式雲物理方案,該方案包含了雲水、雨水、冰晶、雪和霰的混合比預報方程,同時對冰晶的數濃度作了預報。
  14. Halophytes are adapted to obtain water from soil water with a higher osmotic pressure than normal soil water, so they need to be able to accumulate a high concentration of salts in their root cells

    鹽土植物的滲透壓高於土壤,這樣就可以從土壤中吸收水分,所以它們的根細胞中積累了高濃度的鹽分。
  15. This results in a water concentration which is approximately the same as that in the cytoplasm of marine plants and the invertebrate animals that live in the sea.

    這就導致海生植物和海棲無脊椎動物細胞質中的水濃度與海水大致相同。
  16. A mixture of meteoritic water and cometary water would not work either because this combination would still contain a higher concentration of deuterium than is found in the oceans

    隕星水和彗星水的混合也不可能提供地球上的全部水源,因為這種混合水與現在的海水相比,仍然有著較高的氖含量。
  17. Au. the influence of several variables such as gold and cosolvent concentrations, shaking times, the ratio of tdmba and gold on the extraction of gold and the water concentration of the organic phase were studied. while the cosolvent ratio is more than 10 %, in the tdmba system, gold was extracted completely. the gold extraction mechanism was discussed on the bases of water concentrations of organic phases and infrared spectrum. it was found that the aggregation ratio of tdmba and au

    等因素對萃取率的影響,並研究了有機相的連續萃取有機相金含量與水含量的關系。結果表明,助溶劑體積比10 %以上時,十四烷基二甲基芐基氯化銨對金具有萃取能力強,平衡時間短的特點。季銨鹽陽離子與au cn
  18. Fault fracture zones often form in active fault zones and appear as long extension with stable trending, they are jointly controlled by active faulting, underground water concentration and freezing expansion

    斷層裂縫沿斷層破碎帶定向分佈,產狀穩定,成群產出,與斷層活動、地下水運移、不均勻凍脹存在密切的關系,是構造變形與融凍變形聯合、內外動力耦合產生的復合成因地裂縫。
  19. Nh4c depletion in the pore water concentration and low n / p ratios ( 3. 7 by weight ) within the macrophyte biomass at the end of the growing period suggest that available n limits plant growth

    孔隙水濃度中nh4c的消耗和大型動植物生長末期的低氮/磷比率(重量上佔百分之3 . 7 )表明,有效的氮元素限制了植物的生長。
  20. The mathematic models of them are founded and computed with the new working pairs tfe / tegdme. the effects of heat source temperature, temperature drop of heat source in systems, output temperature, temperature of cooling water, concentration range of cycle on the quantity and quality of recovered heat are analyzed in the paper. the results show that in the three cycles, in the concerned range of parameters, cop of the high - low cycle ranges between 0. 32 and 0. 34, coe ranges between 0

    計算結果顯示,在所計算的三種方式的循環中、在所研究的參數變化范圍內,高低型循環的cop大體維持在0 . 32 0 . 34的范圍內、 coe大體維持在0 . 53 0 . 6的范圍內,並聯型循環的cop大體維持在0 . 29 0 . 32的范圍內、 coe大體維持在0 . 48 0 . 53的范圍內,而低高型循環的cop與溫升是一對很尖銳的矛盾:溫升在60左右時, cop只有0 . 1左右,而要達到較高的cop時,溫升只能達到很低的30 40 。
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