高濃度溶液 的英文怎麼說
中文拼音 [gāonóngdùróngyè]
高濃度溶液
英文
highly concentrated solution- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 濃 : 形容詞1. (液體或氣體中所含的某種成分多; 稠密) dense; thick; concentrated 2. (程度深) (of degree or extent) great; strong
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 溶 : 動詞(溶化; 溶解) dissolve
- 液 : 名詞(液體) liquid; fluid; juice
- 高濃度 : heavy concentration
- 溶液 : solution; liquor; scald; aqua
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With the increasing salt concentration, milk - clotting activity became higher and higher, then reached its peak, and then decreased gradually ; in the early extraction, the speed was quick, the milk - clotting activity was increased obviously. after it amounted to the maximum, the activity became steadily lower steadily ; the increasing temperature in extracting could improve the extraction activity, but too high temperature could result in the denaturation and inactivation ; the greater the ratio of abomasums and butter and was, the quicker speed was when the enzymes was drawn out, and after extracting for twice, most of the enzymes in the abomasums could be drawn out
隨著食鹽濃度增大,凝乳活性逐漸提高,當達到一定濃度后,凝乳活性又逐漸降低;在提取初期,提取速度較快,凝乳活性明顯提高,當提取達到最大值后,凝乳活性又逐漸下降;隨著提取溫度的升高,凝乳活性逐漸增大,但溫度過高時,會導致酶變性失活;隨著提取液與皺胃比例的增大,酶溶出速度加快,提取次數越多,皺胃中酶提取越充分,提取2次后,皺胃中絕大部分酶被提出。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。Strains require special treatments for removal such as exposure to high concentrations of liquid detergents.
要清除這些著色物質,需要特殊處理,例如,浸潰在高濃度的洗滌劑溶液中。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溶液的方法,主要包括四個方面:採用兩陰極室夾一厚度較小的陽極室的隔膜(或離子膜)電解槽;使用比表面積較大的鐵網陽極;保持陽極室中有適宜濃度的濃naoh溶液;採用較低的電流密度和較高的電解速度。具體工藝參數是: 14 16mol / lnaoh溶液、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 。The addition of surfactant to etchant can protect surface from intense dissolution, and keep a relative similarity of dissolving activity between surface and tunnel walls. in order to gain a satisfactory enlargement of tunnels, the etchant temperature should be controlled at 70 - 90
3a / cm ,嚴重,使比容降低;溶液中添加表面活性劑可以有效地抑製表面溶解,提高比容;適宜的擴孔條件為:溫度80oc ; h +濃度lmol / l0Abstract : 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溶液中均呈現膽甾型溶致液晶相.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比原甲殼素高許多,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,進一步表明側基較長,液晶性減少After the incubation in three solutions, the membrane - bound gq a in 42kda was all extracted from photoreceptor cell. the percent of the membrane - bound gq a in photoreceptor cell in high calcium solution, physiological solution and low calcium solution was 4. 63 %, 4. 58 %, and 5. 05 % respectively on light adaptation and was 4. 56 %, 4. 94 % and 5. 13 % respectively on dark adaptation
高鈣溶液、生理溶液、低鈣溶液孵育后的感光細胞中膜結合gq蛋白亞基的含量,光適應組分別是4 . 63 、 4 . 58 、 5 . 05 ;暗適ca2 +濃度對光暗適應時羅氏沼蝦感光細胞中gq蛋白。In our experiment, after light and dark adaptation, the retina of the macrobrachium rosenbergi was respective incubated in high calcium solution, physiological solution and low calcium solution. we studied the effect of calcium concentration on the content and subcellular localization of gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation by sds - page technology and imunoelectron microscopy technology. our study results indicated : 一 、 effects of calcium concentration on the soluble gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation
而鈣離子對gq蛋白亞基活性有無影響還未見報道。我們以光適應和暗適應條件下的羅氏沼蝦復眼視網膜為材料,分別用高鈣溶液、生理溶液、低鈣溶液孵育后,通過sds ? page電泳技術及免疫膠體金電鏡技術,研究鈣離子濃度對光暗適應時羅氏沼蝦感光細胞gq蛋白亞基含量的影響及亞基亞細胞定位的影響。With the increase of concentration of aqueous extract from peganum multisectum increased, root vigor, the contents of chlorophyll, soluble protein and nucleic acid in roots and shoots of alfalfa seedlings decreased, while the activities of protease and nuclease, the contents of o2 ( superscript - ), h2o2 and malondiadehyde ( mda ) increased, the activities of superoxide dismutase ( sod ), catalase ( cat ) and peroxidase ( pod ) first increased and then decreased
幼苗根系活力和葉綠素、可溶性蛋白質、核酸含量隨水浸液濃度的提高而降低,蛋白酶和核糖核酸酶活性及超氧陰離子( o2 (上標- ) ) 、 h2o2和丙二醛( mda )含量則增加,超氧化物歧化酶( sod ) 、過氧化氫酶( cat )和過氧化物酶( pod )活性呈先升后降變化。The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute
本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合時間1min 。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:電解液的配製過程中,氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響,其中溶液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液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較大影響;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,銥的比例超過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比容量大大提高;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。The results indicated that the higher irrigation quota was, the higher soil moisture content and the lower soil salt concentration was. but the total salt content increased evidently
結果表明高灌水定額下,灌後土壤含水量較高,土壤溶液濃度較低,但總鹽量有所增加。As for the method of preparing solid potassium ferrate from electrolytic synthesis of sodium ferrate solution, it is compared that the effects of the main procession facts of electrolysis upon both the anodic current efficiency and the relative concentration of na2feo4. one method was put forward to obtain high concentration of na2pe04 in the high concentration of alkaline by quick electrolyzing iron anode
針對由電解法合成na _ 2feo _ 4溶液進而制備固態k _ 2feo _ 4的方法,通過比較研究電解過程中主要工藝因素對陽極電流效率和相應na _ 2feo _ 4濃度的影響,提出了在濃堿液中快速電解鐵源陽極獲取高濃度na _ 2feo _ 4溶液的方法。Immobilization of polylysine ( pll ) onto hec and chitosan - coated membranes via activation reagents provided pll affinity membrane, respectively. a simple method for quantitative analysis of solid chitosan based on the ninhydrin reaction was achieved by diluting the reaction solution with 50 % ( v / v )
以高濃度的茚三酮顯色液與固體殼聚糖反應,再採用乙醇水溶液稀釋反應液的方法,解決了固載在基材上殼聚糖含量的測定問題。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。In order to study the photochemical activity of the product further, this dissertation, taking methyl orange as a deputy of organism, has studied the relation between the concentration of the organism and the reactive time during the process of light degradation, and, on the basis of the relation, the kinetic process of the photocatalytic degradation was achieved by the treatment on the curve of the organism concentration to the reactive time : zero order reaction of the high organism concentration, first order reaction of the middle organism concentration, second order reaction of the low organism concentration
在產品對有機物的光降解方面,本文主要以產品光降解甲基橙溶液為例,研究了光降解過程中,有機物濃度與時間的關系。並在此基礎上,對有機物濃度與時間的曲線進行了動力學處理,得出產品光降解甲基橙的動力學過程分為三步,摘要即:高濃度時的零級反應、中等濃度時的二級反應和低濃度時的一級反應。Secondly, this paper studied the effect of different concentration nacl on wheatgrass and pointed out that the wheatgrass could maintain well - balanced physiology at light salt stress, but at high salt stress, the membrane penetrability increased, fresh weight reduced, the development was restrained distinctly, and the osmoregulatory substance increased notably, at last the plants perished. from these results, this paper concluded that the wheatgrass had strong salt resistance
二、用不同濃度的nacl (氯化鈉)溶液對冰草植株進行根際滲透脅迫發現,冰草在低鹽濃度脅迫下能夠保持正常的生理代謝,而高濃度鹽脅迫下植株質膜透性增大,鮮重減少,生長明顯受到抑制,有機滲透調節物質顯著增加,長時間脅迫植株死亡。Electrochemical behaviors of stainless steel in high temperature and high concentration lithium bromide solution
不銹鋼在高溫高濃度溴化鋰溶液中電化學行為研究When solute passes through half film from the denser solution to the thinner one, this process is called dialysis
溶質通過半透膜,從高濃度溶液向低濃度溶液移動,稱為透析。Accurate measurement in highly concentrated solutions has always been a desire of latex manufacturers because of concerns about particulate changes arising during dilution
為了避免稀釋造成的微粒變化,膠乳製造者總是希望在高濃度溶液中進行精確測量。分享友人