堿性聚合 的英文怎麼說
中文拼音 [jiǎnxìngjùgě]
堿性聚合
英文
alkaline polymerization- 堿 : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
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The decrease in value of ph by plla can be stabilized by the alkalescence brought by degradable cp. inflammatory reaction can be avoided
同時磷酸鈣降解后溶液呈堿性,可以中和聚合物降解的酸性產物,穩定ph值,防止plla降解過快造成的無菌性炎癥的出現。Study on the performance and the modification mechanism of the alkalized acid - polymeric mortar
酸性聚合物堿化的砂漿性能和機理研究Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )
摘要以金雞納生物堿中的辛可寧為原料,氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽,並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid , methylacrylic acid , esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water , anti acidity or bascity and brightness in the products of same type
以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料,在引發劑的存在下,以水或醇作溶劑進行聚合,加入苯乙烯、醋酸乙烯等改性,合成了3種不同的水溶性丙烯酸改性樹脂,並對其性能進行了測定.結果表明:這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。An electroless nickel process with sodium hypophosphite as reducing agents in alkaline bath, which is applied on polyurethane foam substrate, was studied in detail in this paper
本文採用聚氨酯海綿為基體材料,以次磷酸鈉為還原劑,在堿性化學鍍鎳溶液中對低磷化學鍍鎳磷合金工藝進行了詳細的研究。The synthetic process of alkali soluble pet, the influence of the adding the 3 ( superscript th ), the 4 ( superscript th ) and the 5 ( superscript th ) components on copolyester properties and the effect of the feeding order on the experiment results were introduced
摘要介紹了一種堿溶性聚酯的合成工藝,探討加入的第三、四、五組分對共聚酯性能的影響,以及原料的添加順序對實驗結果的影響。The electrode was found to decrease the solubility of dithizone in alkalescence solution and effectively minish the lose of deoxidize state of metal. third, a potentiometric sensor was prepared by adding copper diethyldithiocarbamate directly into the carbon paste mixture, and the electrode was found has nerst response to copper ion in solution. and in our research two pharmaceutical selective electrodes were fabricated by coating polyvinyl chloride ( pvc ) which contained electroactive material on carbon rod electrode
第二,利用- cd與環氧氯丙烷形成的交聯聚合物( - cdp ) (不溶性)包合了雙硫腙,然後將- cdp與雙硫腙包合物樹脂作為修飾劑制備了碳糊修飾電極,利用陽極溶出伏安法( asv )測定了pd ~ ( 2 + ) ,實驗發現通過包合降低了雙硫腙在堿性溶液中的溶解度並且減少了金屬還原態的流失,取得了較好的效果。As one of the most important discussions in this paper, the theoretic discourse of vegetable - gum drilling fluids includes the following information : analyzing the physical and chemical properties of vegetable gums to show their workability and superiority in geological drilling materials ; synthetic high polymers and base modifiers, or coupling agents, which are indispensable for vegetable - gum drilling fluids, can optimize their behaviours. the modifying mechanism of these constituents is also presented as the references for the coming laboratory tests
本文首先通過對植物膠物理性質和化學性質的探討,從物質理論上證明植物膠沖洗液用於地質鉆探的可行性和優越性;隨后,又分析證明了合成高分子聚合物和堿激發(或偶聯劑)的改性處理方案是植物膠沖洗液研究必不可少的技術路線,兩者對于植物膠沖洗液性能的優化起著至關重要的作用,本文還就它們對于植物膠液的改性機理做了詳細的探討。A 40 - base polymorphic repeat sequence located in the 3 ' - untranslated region of the dat gene was purified and amplified by polymerase chain reaction ( pcr )
將位於多巴胺運輸器基因3 '端未轉譯區段的40 -堿基多形性重復序列予以純化、經聚合酶鏈鎖反應放大。Linker molecules, the polymerization of 3 - [ 2, 5, 8, 11 - tetraoxa - tridecyl - 13 - ol ] - pyrrole were designed and synthesized according to the requirement of the electropolymerization. the electropolymerization of 3 - pyrrole derivative with alkaline medium at platinum disk electrode have been studied by cyclic voltammetry and chronoamprometry. the polypyrrole membrane was characterized with scanning electro microscopy ( sem ), energy dispersive x - ray analysis ( edx )
本論文首先在循環伏安、恆電位法電聚合的基礎上篩選出了適合於作為固定dna的載體3 -吡咯甲基-四聚乙二醇單醚,探索了在堿性條件下將其聚合到鉑盤電極上的實驗方法和條件,並利用掃描電子顯微鏡( sem ) 、 x -射線能量散射譜( edx )等實驗技術對聚合膜的表面形貌和元素組成進行了表徵。In e coli, dna polymerases are key enzymes involved in two distinguished pathways contributing to untargeted mutagenesis. replication of dna by pol v ( umuc ), in the presence of umud1, reca and single strand binding protein ( ssb ), is highly mutagenic and exhibits a predominant mutation pattern of base transversion. another error prone polymerase involved in untargeted mutagenesis is pol iv, encoded by dinb gene
在umud ' , reca和單鏈結合蛋白ssb的協助下, polv ( umuc )能在單鏈模板上催化dna合成並產生高頻率的以堿基顛換為主要形式的突變;另一個與非定標性突變有關的易誤dna聚合酶是pol ,為dinb基因的編碼產物。Polymerization of the cdi - activated acidic and basic amino acids efficiently enhanced by na and ci
活化的酸性及堿性氨基酸聚合反應的高效促進效應The innovations of this novel vegetable - gum drilling fluid started with the investigations of vegetable - gums, synthetic high polymers, base modifiers, and coupling agents. through laboratory tests, we make sure that the constituents of this drilling fluid, named kl vegetable - gum drilling fluid by us, should consist of kl gum, hyper - php ( h - php ), and naoh, and by means of mathematical orthogonal tests, we got its optical compositions, and carried out laboratory tests regarding its behaviours
同時,為確定新型植物膠沖洗液的配方和組分,我們還對植物膠、合成高分子聚合物、改性處理劑進行了廣泛的調研,並通過室內試驗進行優選,最終確定新型植物膠沖洗液為苦藶豆膠沖洗液,基本三組分為:苦藶豆膠( kl ) 、超級水解聚丙烯酰胺( h - php )和燒堿( naoh ) ;進而,通過正交試驗確定該沖洗液優化配方,並進行相應的性能評價。The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power
採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。The synthesis, structure, properties and interface behavior of nanocomposite materials based on layered v2o5 and moo3, which can be topotactically reacted with alkali - metal ions ( li +, na ~ ( + ), etc. ) have attracted more attention in recent years. the intercalation of polymer into the interlayer is expected to improve the interface and interlayer structure of these materials, resulting in desirable novel characteristics. in this dissertation, vanadium pentoxide sols were synthesized by melt quenching in oxygen atmosphere
近年來,利用能與鋰等堿金屬離子發生拓撲化學反應的v _ 2o _ 5 、 moo _ 3等層狀氧化物的層間結構特徵,將聚合物嵌入層間來改善界面和層間性質,使材料呈現出許多優異的性能,對這類材料合成、結構、性能和界面行為的研究引起了人們的極大興趣。Preparation of chitosan schiff base copper complexs and their catalytic properties
殼聚糖希夫堿銅配合物的制備及其催化性能Polymeric scale inhibitor suitable for phosphate - containing or weakly alkline circulating water system
一種適合於磷系和弱堿性水處理系統的聚合物阻垢劑All the subjects were genotyped by pcr - rflp ( polymerase chain reaction - restriction fragment length polymorphism ) at polymorphic sac i site inside the exon 7 of the ahsg gene. this polymorphism involves a nucleotide substitution of c to g at the middle nucleotide of the codon at amino acid position 238 resulting in the replacement of threonine ( acc ) with serine ( agc )
所有的樣本通過聚合酶鏈式反應?限制性片段長度多態性方法( pcr - rflp )對ahsg基因的第7個外顯子內的sac多態性位點進行基因分型,該多態性位點為238號氨基酸密碼子中間的堿基c到g的替換,使蘇氨酸( thr , acc )變為絲氨酸( ser , agc ) 。The synthesis, structure, properties and interface behavior of nanocomposite materials based on layered v2o5 and moo3, which can be topotactically reacted with alkali - metal ions ( li +, na +, etc. ) have attracted more attention in recent years
利用與li ~ +等堿金屬離子可發生拓撲化學反應的moo _ 3 、 v _ 2o _ 5等氧化物的層間結構特徵,使聚合物嵌入層間來改善界面、層間性質,導致材料呈現出許多優異的性能。分享友人