solution concentration 中文意思是什麼

solution concentration 解釋
溶液濃度
  • solution : n. 1. 溶解;溶液,溶體,溶劑。2. (補輪胎用的)橡膠水;〈美國〉藥水。3. 解決,解答 (of; for; to); 解釋;(數學等的)解法,解式。4. 免除,解除。5. 【醫學】消散,消退。
  • 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. In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

    在苯或乙酸乙酯溶液中其衰減速度隨甲基丙烯酸甲脂濃度呈直線地增大。
  2. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系,首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此,吸附質的表面相濃度cs具有真實濃度的含義,相應地,計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體系分配系數等,為溶質吸附的熱力學研究奠定了基礎
  3. ( i ) in the procession of preparing na2feo4 by electrolyzing and oxidizing anodic iron in the high concentration solution of naoh, the current efficiency is directly proportional to both of the temperature and the alkaline concentration of the anolyte, and the growth rate of the na2feo4 concentration of anolyte is directly proportional to both of the electrolyzing speed and the alkaline concentration of anolyte.,

    主要結論如下: ( 1 )在濃naoh溶液中直流電解氧化鐵陽極生成na _ 2feo _ 4溶液的過程中,電解液溫度、陽極液堿濃度與電流效率成正函數關系;電解速度、陽極液堿濃度與陽極液中na _ 2feo _ 4濃度的增長速度成正函數關系。
  4. 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。
  5. Technique and condition of developing membrane such as thickness of support layer, concentration of coating solution, coating time, ph value of coating solution, concentration of small molecular additive in coating solution, concentration of cross - linking agent, cross - linking time and composite times were studied

    對制膜工藝條件如基膜厚度、塗層液濃度、浸塗時間、塗層液ph值、塗層液中小分子添加劑的含量、交聯劑類型、交聯劑濃度、交聯時間及復合次數對納濾膜性能的影響進行了研究。
  6. Hydrogen adsorption of mwnts increased not only after doped in kno3 solution but also with the increase of solution concentration in certain extent

    Peg是一種長鏈分子,對于氧化鋅的一維生長可以起到誘導作用。
  7. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中;通過對比,分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響,認為在一定的范圍內,多i孔硅的發光峰位會隨電流密度的增大而藍移,要獲得較強的發光,需z要選擇合適的電流密度;隨著腐蝕時間的延長,多孔硅的發光峰位會i發生藍移;當f酸的濃度較小q : 1 )時,峰位隨濃度的增大表現為向i低能移動;而當f酸的濃度較大河山時,峰位隨濃度的增大則表現z為移向高能;多孔硅在空氣中自然氧化;其發光峰位發生藍移,而強i度隨放置時間的延長而降低。
  8. At last, the influences of the rate of energy storage, solution concentration differences and the temperature of cooling water to economic indicators are discussed

    另外,本文還詳細計算了蓄冷率、溶液濃度差和冷卻水溫度對潛能儲存系統各項經濟指標的影響情況。
  9. The factors, such as feed solution concentration, stirring speed, strip solution concentration and the ph value of feed solution, have been discussed when the membrane phase only contained membrane solvent

    當膜相中不含載體時,分別考察了攪拌速度、料液相濃度、反萃取液濃度和料液相ph值等因素對滲透系數的影響。
  10. The relationships between the energy storage density, cop, the rate of crystallization and the solution concentration difference, the temperature of cooling water are also discussed in the paper

    此外還分析了系統蓄能密度、 cop及結晶率隨溶液濃度差和冷卻水溫度的變化情況。
  11. As the ratio of alcohol to water descends, both of them rise. as the solution concentration of nitrates descends, the crystalline size firstly descends and then rises. the nozzle pressure brings forth little affluence on the crystalline size of the powder, but the elevated pressure can enlarge the quantity and the size of the agglomeration

    隨酒精和水的比值的減小,粒徑和顆粒粒徑都增加;粒徑隨溶液濃度的減小,先減小后增加;一次粒徑隨壓力的變化,變化很小,但隨壓力和流量的增加,團聚體增多、團聚粒徑增大。
  12. This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )

    本文主要對聚丙烯腈( pan )二甲基甲酰胺( dmf ) 、 pan二甲基已酰胺( dmac )體系進行電紡絲,調節靜電壓( 20 50kv ) 、噴頭孔徑( 0 . 5 0 . 8mm ) 、接收距離( 15 25cm ) 、溶液濃度( 6wt 14wt )等過程參數,制得pan納米纖維,纖維平均直徑在200 1000nm ;詳細分析了過程參數對纖維細度、形態等的影響,認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響,其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。
  13. Directed by the adsorption theories, sepiolite was selected as micropore inorganic material and dodecanol was selected as pcm, and carried out the optimization of experimental parameters, such as selection of sepiolite minerals, sepiolite modification, absorption temperature, pcms solution concentration, stirring time, drying mode, dehydration of sepiolite. by the optimization, the best conditions on tsous preparation were achieved. measurement method of pcms exudation was established to estimate the exudation of pcm in tsous, the temperature self - operating effects and energy saving effects of tsous was also examined

    在以上微孔吸附理論研究基礎上,選用海泡石作為微孔無機材料、十二醇作為相變工質材料,對自調溫單元的制備工藝參數進行了優化研究,包括:海泡石原料的選擇、海泡石改性的影響、吸附溫度的選擇、 pcm有機溶液初始濃度的選擇、攪拌時間的確定、烘乾方式的選擇、海泡石含水量的確定,最終得到自調溫單元的最佳制備工藝。
  14. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將有較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  15. According to the general principles of biomineralization, we used many functional organic templates, which can efficiently interact with caco3 crystal, to control the crystal form and the morphology of caco3. many systematic studies o f the influence of various experimental parameters, such as ph of solution, concentration of additives and caco3, temperature, aging time, etc., on the morpho - logy and size of caco3 crystals are investigated

    我們系統地分析了各種實驗參數,例如溶液的ph值、有機大分子的濃度、碳酸鈣的濃度、環境溫度、陳化時間等對碳酸鈣粒子形貌及大小的影響,合成出了一系列具有奇異形貌的碳酸鈣材料,豐富了碳酸鈣形貌的種類,並對這類材料的礦化機理進行了較深入的研究。
  16. 3 when fnj l is used in solution, if the crystal appears because of low temperature, we should make the crystal dissolving by reducing the solution concentration or heating before using. drying mixing is available to avoid unevenly mixing

    本產品是由多種材料復合而成的復合型混凝土外加劑,主要由膨脹減水防凍早強緩凝和阻銹等組份組成。
  17. The factors affecting the permeation coefficient which contain original feed solution concentration, stirring speed, the original ph of strip solution and the original ph of feed solution have been discussed when the membrane phase only contains membrane solvent

    當膜相中不含載體時,分別考察了料液相初始濃度、攪拌速度、反萃取液初始ph值和料液相初始ph值等因素對滲透系數的影響。
  18. And also the factors, such as carrier concentration, feed solution concentration and strip solution concentration, also have been discussed when the membrane phase contained solvent and carrier. based on the double membrane theory, the model of phenol transport in supported liquid membrane was established, and the parameters of the

    在此基礎上,採用雙膜理論來解釋苯酚透過平板支撐液膜的過程,在穩態假設下,建立苯酚在支撐液膜內的傳質模型,並求解膜內擴散系數等模型參數。
  19. On - line and automatic measurement of solution concentration using led and linear array ccd

    激光光聲光譜法測量煤礦瓦斯氣體的研究
  20. Manufactures conductivity, solution concentration, ph, redox and dissolved oxygen instrumentation for industrial applications

    -從事各種油漆塗料塗裝等材料檢測儀器,材料試驗機生產的專業廠家。
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