比較溶液 的英文怎麼說

中文拼音 [jiàoróng]
比較溶液 英文
comparison solution
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞1 (比較) compare 2 [書面語] (計較) dispute Ⅱ副詞(比較) comparatively; relatively; fair...
  • : 動詞(溶化; 溶解) dissolve
  • : 名詞(液體) liquid; fluid; juice
  • 比較 : 1 (對比) compare; compare with; contrast; parallel (with); comparison; by comparison; in comp...
  • 溶液 : solution; liquor; scald; aqua
  1. The air flotation method of wax recovery commonly used in the actual mechanized wax printing mills was compared with the methods we used in our labs, such as hot water dewaxing, org. solvent extn., aq. surfactant recovery and dry dewaxing

    摘要將目前機械化蠟染廠採用的氣浮回收蠟和我們實驗室使用的熱水脫蠟法、有機劑萃取回收法、水基表面活性劑乳回收法及干法除蠟等方法,結果表明:熱水脫蠟法是最適合機械化蠟染廠進行蠟的回收。
  2. According to the frequently used methods of extraction and isolation of natural products from organic body, the freeze - dried ascidian tunica was exhaustively extracted with 100 % chloroform then the combined extracts were filtered and the solvent was separately concentrated under vacuum to yield a dark - brown gum

    按照目前常用的天然產物的提取分離辦法,將樣品冷凍乾燥后,用100氯仿浸泡,收集氯仿濾,減壓蒸餾濃縮去除浸提劑,得到黑褐色的浸膏狀物質。
  3. The electrochemical and spectroscopic behaviors of mp - 11 in the in the aqueous solution and simulated physiological solution, i. e. the solution of 20 % methanol and phosphate buffer solution with 20 % methanol are compared

    了mp ? 11在水和模擬生理條件(即20甲醇和5mmol / l磷酸緩沖)中的電化學和光譜行為。
  4. The high - performance liquid chromatography ( hplc ) method was developed to determine the effects of ultramicro - pulverization on the geniposide and berberine dissolubility of huanglianjiedusan ( hljds )

    摘要應用高效相色譜法( hplc )了普通粉碎和超微粉碎對黃連解毒散中主要有效成分梔子苷和小檗堿出量的影響。
  5. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4的方法,主要包括四個方面:採用兩陰極室夾一厚度小的陽極室的隔膜(或離子膜)電解槽;使用表面積大的鐵網陽極;保持陽極室中有適宜濃度的濃naoh;採用低的電流密度和高的電解速度。具體工藝參數是: 14 16mol / lnaoh、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  6. Then the inclusion bodies were solubilized in 8 mol / l urea - 100 mmol / l p - mercaptoethanol ( - me )

    為純凈的包涵體解於8mo的尿素中, 4放置過夜。
  7. Abstract : methanesulfonic acid method was used to prepare five acylated chitins. except heptanoyl chitin, four of them, i. e. acetyl chitin, propionyl chitin, butyryl chitin and hexanoyl chitin, had high degree of substitution ( from 1. 5 to 2. 0 ) and exhibited lyotropic liquid crystalline behavior and cholesteric phase. as the length of the side chain increased the critical concentration ( w / w ) somewhat increased from 0. 21 to 0. 26 because the chain rigidity dropped. the critical concentration values of all the four derivatives were much higher than that of chitin ( 0. 12 ) due to the decrease of intramolecular hydrogen bonds. the four acylated chitin can form typical banded texture after being sheared. there minimum concentrations to form banded texture of them were evidently different, varied from 0. 25 ( for acetyl chitin ) to 0. 37 ( for hexanoyl chitin ). these results further indicated that liquid crystallinity decreased while the length of flexible side substituents increased

    文摘:四種羧酰化甲殼素即乙酰化、丙酰化、丁酰化和己酰化甲殼素在二氯乙酸中均呈現膽甾型晶相.臨界濃度隨側基長度增加而略有增加,衍生物的臨界濃度明顯都原甲殼素高許多,這些規律都可以用鏈剛性的變化來解釋.四種羧酰化甲殼素在剪切時均能形成條帶織構,而且能形成條帶織構的最低濃度有明顯差別,隨側基長度增加而提高,進一步表明側基長,晶性減少
  8. Piezoelectric sensors, commonly known as quartz crystal microbalance, are sensitive to multiple signals such as the surface mass and the viscosity, density, dielectric effect, conductivity of the liquid

    壓電傳感技術則是一種成熟的傳感技術,可響應石英晶體表面的質量變化及粘度、密度、介電常數、電導率等參數。
  9. The desorption experiments in the same ph of solutions as adsorption experiments show that the desorption coefficient is bigger than the adsorption coefficient, so the adsorption of neptunium on silica gel in nitric acid belongs to irreversible process

    用239np進行上述實驗后,又用239np與237np的混合或237np進行了上述部分實驗以微克量的237np和示蹤量的239np在硅膠上的吸附行為。
  10. The mass specific capacitance of anthracite - based hsaac is smaller in organic electrolyte than that in aqueous electrolyte, because the diameter of solvated ions in the former is bigger and its electrical conductance smaller

    電容。這一現象的產生與有機電解質劑化離子的直徑大、電導率;低有關。
  11. Injected group, 0. 1 % saccharin ( 1. 5 ~ 2ml / rat, in 5min ) intraoral infused group and cta group. the expression of endogenous leucin - enkephalin ( lek ) in the rat brain was observed and 5 parts of the thalamus including laterodorsal thalamic nucleus ( ld ), lateral part of mediodorsal thalamic nucleus ( mdl ), ventroposterolateral thalamic nucleus ( vpl ), ventroposteromedial thalamic nucleus ( vpm ) and reticular thalamic nucleus ( rt ) were comparatively researched before and after the acquisition of cta applying lek - immunocytochemistry. in behavioral experiment, 18 adult male sd rats were divided into normal cta group ( control ) and 2 naloxone i. p

    為探討cta形成過程中enk的作用,本實驗用成年雄性sd大鼠35隻,分為空白對照組、生理鹽水( 2體重)腹腔注射組、 0 . 15mlicl( 2體重)腹腔注射組、 0 . 1糖精口腔灌流組( 1 . 5 - 2ml只, 5min )和cta建立組,採用免疫細胞化學方法,觀察了亮腦啡肽( lek )陽性神經元在大鼠腦內的分佈情況,並了各組大鼠丘腦外側背核( ld ) 、丘腦內側背核外側部( mdl ) 、丘腦腹后外側核( vpl ) 、丘腦腹后內側核( vpm )以及丘腦網狀核( rt )等5個腦區內lek表達水平的差異;另外將成年雄性sd大鼠18隻,分為正常cta建立組以及在cta建立前或cta建立后阿片受體拮抗劑納洛酮( 2mg kg體重)腹腔注射組,對內源性阿片樣物質對于cta建立和保持的影響進行了行為學研究。
  12. The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1. 5 % naoh for bone char. studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water. fluoride concentration below 1. 0mg / l can be acquired easily with them and meets the requirement of drinking water standards

    對兩種除氟劑進行的再生與吸附劑體積為1 : 1的再生實驗表明:用硫酸鋁對活性氧化鋁再生,再生濃度為1 2 ,再生時間為30 50h ,沖洗浸泡時間為5h效果好;對骨炭再生,氫氧化鈉再生濃度為1 1 . 5 ,再生時間為20 30h效果好。
  13. After reference solution has been formulated and sensitivity has been adjusted and tested according to above mentioned method ( 3 ), take appropriate amount of test sample solution and reference solution, blend samples separately ; unless otherwise specified, recording time of the former should be 2 times of retention time of chromatographic peak of main component, measure peak area of each impurity on the chromatograph chart of test sample solution, and compare with peak area of main components of reference solution, then calculate content of each impurity accordingly

    同上述( 3 )法配製對照並調節檢測靈敏度后,取供試品和對照適且,分別迸樣,前者的記錄時間,除另有規定外,應為主成分色譜峰保留時間的2倍,測量供試品色譜圖上各雜質的峰面積並與對照主成分的峰面積,計算雜質含量。
  14. The influence of different gypsum on strengh of portland - sulphoalminate composite cement system is complicated, related with aluminiferouse mineral in cement system and the so4 ( superscript 2 - ) concentration of its hydrated solution ; in distilled water and maximum lime wash, the dissolution rate of dihydrate gypsum is higher than that of anhydrite but the dissolubility is lower

    石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥強度的影響復雜,與水泥體系中含鋁礦物及其水化中so4 (上標2 - )離子濃度有關;在蒸餾水和飽和石灰水中,二水石膏的解速度硬石膏快,解度硬石膏低。
  15. According to the comparation among the three kinds of crude extraction methods including acid dissolve, enzymolysis and neutral salt solution. the method of enzymolysis combined with hplc was chosen to prepare cp i. the physico - chemical property of, cp i was identified

    以豬皮為材料,法、酶解法、中性鹽法三種粗提方法,選擇得率和純度都高的酶解法為最佳粗提法,結合高效相色譜進行cp的分離純化。
  16. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響因子,了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於好地保持玫瑰花的抗氧化活性;以水作劑提取時, 25 100范圍內水提的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為劑,1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4
  17. 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,分析了電流密度、陽極化時間、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。
  18. Abstract : the model parameters for uniquac and nrtl equations are obtained by using the infinite dilute activity coefficients of a component at several temperature and the nonlinear regressive technique. the vaporliquid equilibrium ( vle ) data calculated by using the parameters for uniquac or nrtl equation is agreement with that from vle experiment

    文摘:通過一個組分在不同溫度下的無限稀釋活度系數,利用非線性回歸確定了四氫呋喃1 , 4丁二醇、水1 , 4丁二醇二元體系的uniquac 、 nrtl模型參數.用所獲得的兩模型參數對三元氣平衡數據進行理論推算,並與實測的三元氣平衡數據進行,發現兩結果吻合
  19. Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material

    研究表明:電解的配製過程中,氯化釕濃度、ph值、陳化時間、溫度對電鍍效果均有影響,其中ph值是最主要的影響因素;在儀器的使用條件探索中,理論結合實驗確定了本電鍍體系循環伏安電勢窗的理想范圍,並發現循環伏安掃描速度和掃描周期對電鍍結果也有大影響;混合氧化物的共沉澱是目前研究熱點,在此選用與釕同一族的銥作為共沉澱元素,銥的加入會阻礙氧化物的沉積速度,銥的例超過50 %會使沉積作用停止,但是二元氧化物的協同作用使沉積的活性物質容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕,從而提高活性物質的穩定性。
  20. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗侵蝕的實驗中,摻礦渣rpc的抗侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿和浙江工業大學碩士學位論文摘要一些鹽都會對rpc的結構產生侵蝕作用,但是機理各有不同。
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