離子交換原 的英文怎麼說
中文拼音 [lízijiāohuànyuán]
離子交換原
英文
iem- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 交 : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 離子 : [物理學] ion
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The ps ii native fractions ( 20 % and 30 % ) were loaded onto a deae column. the fraction eluted with 150 mm nacl was presented dcip reduction activity and was highly depleted in chi c and xanthophylls, and as such could be considered a ps ii core complex
對于有dcip光還原活性的20和30層帶的復合物,進一步deae離子交換層析純化。 150mmnacl洗脫純化后的樣品經過熒光激發光譜測定發現,已經去除了葉綠素c和墨角藻黃素,並且仍然具有dcip的光活性,分析是ps核心復合物。During the process for production of inositol, the technological parameters and operation methods in several stages of preparation, acidolysis, neutralization, ion exchange and refining are very important factors influencing the quality and yield of products
摘要在肌醇的生產工藝中,原料預備、酸解、中和、離子交換、濃縮、精製幾個工段的工藝參數和操作方法,對產品的質量和得率影響很大。The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins
將帶有hwtx -基因的ppic9k經blgii線性化后,轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌,進一步用遺傳毒素g418篩選多拷貝的轉化菌株,命名為gh1 ;將gh1甲醇酵母菌用0 . 5的甲醇誘導表達,發酵上清經90飽和度的( nh _ 4 ) _ 2so _ 4沉澱, yw - 3 ( mwc03000 )的超濾膜超濾,再經cm陽離子交換, c _ ( 18 )反相hplc純化得到分子量為4kd左右的組分,其中4289 . 05的組分經質譜鑒定,氨基酸組成分析和序列測定為正確的表達產物,生物學活性表明其活性為天然毒素活性70 % ,表達量為80mg / l 。And factors, such as flow velocity, the concentration of hmi in influent water and usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) in raw water, which can influence the effect of hmi removal by wbaer from dk has also been discussed
並分析了流速、進水中重金屬離子( hg2 + )的濃度以及原水中常見的陽離子( ca2 + 、 mg2 + )和陰離子( cl 、 so42 )對弱堿性陰離子交換樹脂去除飲用水中微量重金屬離子的影響。By varying flow velocity and the concentration of hmi ( hg2 + ) in influent water and adding usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) into raw water, the effects of hmi removal by wbaer and cations exchange resins from dk have been contrasted
試驗中通過改變流速(通過離子交換柱) 、進水中重金屬離子( hg2 + )的濃度以及向原水中引入天然水體中常見的陽離子( ca2 + 、 mg2 + )和陰離子( cl 、 so42 )等方法,比較了弱堿性陰離子離子交換樹脂和陽離子交換樹脂對飲用水中微量重金屬離子( hg2 + )的去除效果。The results show that when the concentration of hmi ( hg2 + ) in influent water is every low, the effect of hmi removal by wbaer from dk is much better than cations exchange resins. with cations ( ca2 +, mg2 + ) at high concentration in raw water, wbaer has better selectivity to hmi in water, however the selectivity of cations exchange resins is worse. the anions in raw water such as cl - which is able to react with hmi can make cations exchange resins lose the capability of hmi removal, but it has no effect on wbaer ( d301g )
結果表明:當進水中重金屬離子( hg2 + )濃度較低時,弱堿性陰離子交換樹脂對飲用水中hg2 +的去除效果要明顯優于陽離子交換樹脂;當原水中含有相對較高濃度的陽離子( ca2 + 、 mg2 + )時,弱堿性陰離子交換樹脂對水中的重金屬離子具有很高的選擇去除性,而陽離子交換樹脂的選擇去除性卻很差;天然原水中能與重金屬離子( hg2 + )發生絡合反應的陰離子(如: cl ) ,可以使陽離子交換樹脂喪失了對水中微量重金屬離子( hg2 + )的去除作用,而對弱堿性陰離子交換樹脂( d301g型)去除水中微量hg2 +的影響卻很小。Methods for chemical analysis of bismuth - determination of arsenic content - ion exchange separation - hydride generation - flame atomic absorption spectrophtometric method
鉍化學分析方法離子交換分離-氫化物發生-火焰原子吸收光譜法測定砷量The basic tenet of ? he strengthening is the physical and chemical reaction course : that is the hydration ; the carbonation of cement ; ion exchange and consolidate
加固的基本原理是水泥加固土的物理化學反應過程:水泥的水化反應;水泥的碳化反應;離子交換與團粒作用。A charged mosaic membrane consists of a set of anion and cation exchange elements arranged in parallel, each element providing a continuous pathway from one bathing solution to the other
荷電鑲嵌膜系由一系列規則排列的陰離子和陽離子交換基團所組成,每一基團為其反離子提供從原料液相到滲透液相的連續通道。When being incubated at 60, 70, 80, chlase could lose its half activities in 21 minutes, 22 minutes, 18 minutes. with different chl, chlase showed different kinetic properties. different ions were found having different effects on chlase activities
以菠菜為材料,分離了pao活力檢測所需的還原性劑fd ,經丙酮沉澱、透析脫鹽、 deae離子交換柱層析等純化步驟進行了純化, fd純化了6 . 6倍。Membrane process sodium hydroxide - determination of calcium contents - flame atomic absorption method
離子交換膜法氫氧化鈉中鈣含含量的測定火焰原子吸收法To reveal the reason of above phenomenon, we purified the eluant by poros 20hq ion - exchange chromatography and got five proteins. one of them ( hq - s ) was proved to can be proteolytic
為弄清這一現象的產生原因,將嗜硫色譜洗脫峰通過poros20hq離子交換色譜進一步分離,獲得5個分子量非常接近的組分。Several preparation methods, including grafting polymerization, chemical modification of natural fibers and polymer blending method, are reviewed and the future research and development work on iefs is also proposed
摘要綜述了離子交換纖維常見的幾種制備方法,包括接枝共聚改性法、原始纖維進行化學改性法、聚合物混合成纖法等,並對未來的研究發展方向進行了展望。The damage and the decrement of light transmittance of ion exchange strengthened cover glass arc much lower than that of as - received one after ion beam bombardment, which demonstrates that ion exchanged solar cell cover glass has better resistance to ion beam bombardment
結果表明,經離子交換增強后的蓋片玻璃,彎曲強度最大可以提高約4倍;且在受到離子束轟擊時的損傷以及透光率下降的程度都小於原片玻璃,說明化學鋼化玻璃具有較好的耐離子束轟擊的能力。First in allusion to the characteristic of its components, the physics - mechanics characteristic and the strength mechanism were discussed in detail by using the chemical theory of ion exchange
首先針對二灰砂礫材料組成的特點,利用化學離子交換原理,詳細研究了混合料的物理力學特性及其強度形成機理。Polyethylene glycol - accompanied ion - exchange chromatography to purify recombinant hepatitis b virus surface antigen
聚乙二醇伴隨式離子交換層析分離重組乙肝病毒表面抗原Abstract : this article is mainly concerned about the mechanism, preparation and characteristics of the drug release in vitro and in vivo of the controlled - release suspensions using ion - exchange resins. various resins ' abilities of adsorption and release of drug were compared. the method of microencapsulating drug - resin complex and the effect of various coating materials were also discussed
文摘:介紹了離子交換樹脂控釋混懸劑的原理、制備、釋藥動力學和體內釋放特點,並對不同樹脂吸附和釋放藥物的能力進行了比較,同時也介紹了微囊化包衣技術及不同包衣材料對樹脂釋放藥物的影響The borohydride reducing reagent supported by the strong acid cation exchange resin was prepared by the strong acid cation exchange resin reacting with sodium borohydride. the reductive ability of the resin reducing the carbonyl compounds is strong, so the yields are generally pretty high ( 51 % ?
用強酸型離子交換樹脂與硼氫化鈉作用制備了強酸型離子交換樹脂支載的硼氫化還原劑.探討了在不同溶劑中制備的還原樹脂的還原能力;應用於還原羰基化合物時有良好的產率( 51 % ?Icp aes standard test method for determination of impurities in plutonium : acid dissolution, ion exchange matrix separation, and inductively coupled plasma - atomic emission spectroscopic icp aes analysis
測定鈈中雜質的標準試驗方法:酸溶解離子交換矩陣分離和感應耦合等離子體-原子發射光譜法Organophilic montmorillonite was obtained by cation exchange on montmorillonite surface, which was modified from hydrophilic to hydrophobic and led to the increase in the basal distance between silicate layers of about 1nm. the intercalation and exfoliation behavior of organophilic montmorillonite in dgeba - montmorillonite system have been investigated by x - ray diffraction and transmission electron microscopy and the properties of nanocomposites were tested
在環氧樹脂蒙脫土納米復合材料的制備中,用十六烷基三甲基氯化銨通過陽離子交換的方法對蒙脫土進行了有機化處理,使蒙脫土由親水性變成親油性,其層間距也由原來的1 . 2nm擴大到2 . 2nm 。分享友人