液相形成劑 的英文怎麼說
中文拼音 [yèxiāngxíngchéngjì]
液相形成劑
英文
liquid-phase-forming material-
The chemical compositions of sei films formed on the interfaces of a3000 samples in different electrolytes during the first charging process are mainly li2co3 and lioco2r, but their textures are different. the sei films formed in ec - based electrolytes are thin and compact, which can prevent the solvated lithium ions from cointercalating between two graphene layers of the graphite crystallites effectively, therefore samples a3000 have small irreversible capacities and good compatibilities with this kinds of electrolytes. however, the sei films formed in pc - based electrolytes are thick but defective, which could not effectively prevent solvated lithium ions from intercalation, therefore sample a3000 shows large irreversible capacities in pc - based electrolytes and bad compatibilities with this kind of electrolytes
A _ （ 3000 ）試樣在六種不同的電解液中，首次充電過程中所形成的sei膜，其化學組分均為碳酸鋰和烷基碳酸鋰，但在ec基電解液中形成的sei膜薄而緻密，可以有效地阻止溶劑化鋰離子插入石墨層間，不可逆容量少，表現出與a _ （ 3000 ）試樣有良好的相容性；在pc基電解液中形成的sei膜厚，且有缺陷，不能有效地阻止溶劑化鋰離子嵌入試樣中石墨微晶的層間，不可逆容量大，與a _ （ 3000 ）試樣的相容性極差。Various perovskite compositions have been prepared through this method and their structure, electronic and magnetic properties have been studied. in this paper, la2o3, sro2i mn, naclo4, kmno4 were used as raw materials and were synthesized into la1 - xsrxmn03 powder by employing self - propagating high - temperature synthesis ( shs ) technology and filtration processing. in addition, the mechanism of chemical reaction and microstructure formation process of la2o3 - sro2 - mn - naclo4 - kmno4 system was studied
La _ （ 1 - x ） sr _ xmno _ 3的shs合成工藝研究發現，在shs合成過程中液相量的多少和反應溫度有很大的關系，通過在反應體系內加入第二相氧化劑kmno _ 4可以控制反應進程， kmno _ 4在反應中分解得到的高活性mno _ 2利於產物的生成，一定程度上避免了氧缺位和中間產物的形成。A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity
報道了由正負離子表面活性劑與高聚物混合溶液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活性劑（溴化十二烷基三乙銨/十二烷基硫酸鈉）分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基，研究蛋白質在雙水相體系中的親和分配.結果表明，在該體系中，表面活性劑與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成，不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的選擇性Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素，以便充分掌握影響孔度大小、分佈、形態的因素，使孔度調控范圍得以拓寬，使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發，分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程，它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程，可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料，其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜，通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定，不同厚度的多孔膜形貌研究，不同x （聚合物-溶劑相互作用參數）體系所制備的多孔膜形貌等需深人研究In general, two forms of combinatorial library synthesis exist, “ liquid - phase ” synthesis and “ solid - phase ” synthesis ; in the latter the chemistries are performed with one or more of the reagents attached to an inert solid support such as a bead or column
總體而言，有兩種形式的組合文庫合成， "液相"合成和"固相"合成，對後者來說，化學反應是與附在支持物（如：玻珠和柱子）上的一種或多種試劑發生的。In attempt to prepare and study the novel electrically conductive nanocomposites, with polyethylene ( pe ) served as the matrix, maleic anhydride grafted polyethylene ( gpe ) served as eg intercalates and expanded graphite ( eg ) served as a conductive filler, prepared gpe / eg, pe / gpe / eg electrically conductive composites via solution intercalation ( si ), direct melt mixing ( dmm ) and master batch melt mixing ( mmm ) methods. by means of testing conductivity and mechanical property, with the measures of tem, sem, om, xrd and dsc, studied the relationship between preparation method, material composition, and electrically conductive as well as mechanical property. the main outcomes never reported at home and abroad literature were obtained as follows : 1 the gpe / eg electrically conductive nanocomposites were prepared via si method
本論文以制備和研究新型高分子導電納米復合材料為目的，以聚乙烯（ pe ）為基體，馬來酸酐接枝聚乙烯（ gpe ）為插層劑，膨脹石墨（ eg ）為導電填料，採用溶液插層（ si ）法、直接熔體混合（ dmm ）法和兩者相結合的熔體母料混合（ mmm ）法制備了gpe eg 、 pe gpe eg導電復合材料，通過電導率和力學性能測試，運用tem 、 sem 、 om 、 xrd和dsc等手段，研究了制備方法、材料組成、形態結構和導電性能及力學性能之間的關系，得到以下未見國內外文獻報道的研究結果： 1採用si法成功制備了gpe eg導電納米復合材料，其導電逾滲閥值（ _ c ）為1 . 59vol ，遠低於dmm法制得gpe eg常規復合材料的_ c （ 3 . 13vol ） 。In addition, we use spectrophotometric to study the compositions of nickel - iron alloy prepared by electrodeposition, and the main results are as follows : iron ( ) forms a stable deep purple complex with ethylenediaminetetraacetic acid disodium salt ( edta ) and hydrogen peroxide in aqueous solution at ph = 10. 7 - 11. 3 ; nickel ( ) forms a red complex with dlacetyl dioxime in aqueous ammonia when an oxidation ( iodine ) exists ; thus the amount of iron ( ) and nickel ( ) can be determinated by the absorption of their complexes at 519nm and 538nm respectively
利用三價鐵與edta和h2o2形成穩定的深紫色三元絡合物，在氨性溶液中，當有氧化劑存在時，鎳與丁二酮肟形成酒紅色的絡合物，用吸收光度法可分別在519nm和538nm波長處測定鐵、鎳的含量， fe和ni的相對標準偏差分別為0 . 95和1 . 2 ；對實際樣品的測定結果與xps分析一致。Aerosol generators. determination of volume occupied by liquid phase of aerosol formulations
煙霧劑發生器.形成煙霧的液相所佔體積的測定The analytic results of the effects on the micromorphological structure of the film by the electrochemical condition ' s showed that the carbon is apt to improve the boundary combination between the scfs and the surface of the cathode and the seperation of the films, and that the micromorphological structure of the mpgcfs is greatly affected by the dring and the power voltage, which remarkably affluence ion move in swelling cathode film, and that higher temperature and concentration of cu2 + in the medium solution are also advanagable to the deposition of cu in scfs. the plot of deformation behavior of mpgcfs showed that the maximum strench ratio decreases and the brittleness increases due to the existence of the metal phase, and that the strengh trend of the composite films is fistly up and down followed with the content of metal phase because of the change of the role of the metal phase from acting as the physical cross - linking to weakening the films due to destroying the whole structure of the polymer
另外它作為基體的另一個突出的優點是制備的溶脹復合膜（ scf ）中的溶劑與電解液中的溶劑相同都是水，克服了以前膜內外不同溶劑之間擴散的問題，結果使得電流最終趨於一種穩態，因此可以更好實現用電化學條件來控制mpgcf的形態結構；硬質石墨材料的多孔的結構和石墨本身的結構性能特點使得碳作為陰極材料時有利於溶漲復合膜（ scf ）與電極表面的結合以及膜的剝離，因此是作為陰極的理想材料；電化學條件中的乾燥程度和電壓能夠明顯的影響離子在膜內的遷移，從而對mpgcf的形態結構造成較大的影響；而提高反應溫度和增大電解液中銅離子的濃度也有利於銅在膜中的沉積生長。The result of the xrd, sem and tem analysis show that the densification process was controlled by the mechanical of liquid phase sintering with the addition of mgo and ce02 as the sintering aid. the mgo - ceo2 would react with the sio2 which was on the surface of the silicon nitride particles to from silicate liquid phase to accelerate the densification
通過xrd 、 sem 、 tem等測試結果表明，由於同時添加了mgo和ceo _ 2作為助燒劑，其緻密化過程為液相燒結，由燒結助劑和si _ 3n _ 4表面的sio _ 2反應形成低熔點的硅酸鹽相，促進燒結緻密化，冷卻后，在晶界形成玻璃體。Corresponding soluble salts have been chosen as raw materials and ammonia as precipitator. the optimum ph value is 8. 5 - 10 and higher concentration is helpful for crystal growth. the perovskite phase plzst can be synthesized at 750 by solid state reaction
合適的工藝條件為：選擇以各離子的可溶性鹽為原料，以氨水為沉澱劑，通過共沉澱得到白色無定型前驅體，最佳的ph值范圍為8 . 5 10 ，溶液的濃度越高越有利於固相反應合成中晶體的形成，適當的沉澱后處理過程如水洗、干磨能促進plzst晶體的生成。分享友人