硫膠體 的英文怎麼說
中文拼音 [liújiāotǐ]
硫膠體
英文
sulfur colloid-
The contents of this studies include : 1 ) according to the researches on the correlation between the function and structure of the cmiv from bombyx - moxi before by others, especially by lixinlal in naigin normal university of china, we have designed and sythesized the mutation i of the gene of cmiv that was different from the natural cmiv about 50 % in amino sequence, using the favorable condon of the ecoli. after cheked the result of synthesis by sequence, we have cloned the gene into 3 " of the gene of thioredoxin in the thio - fusion expression vector ( ptxfus ), and the fusion protein of thio - cmiv was highly expressed in soluble form
本研究的內容包括:一、在前人對抗菌肽cmiv研究的基礎上,對n端和c端進行氨基酸保守變換,設計和合成了該基因,充分使用大腸桿菌偏愛的密碼子,並將該基因5端與硫氧還蛋白基因3端融合,通過ptxfus表達載體獲得較高可溶性表達(在15 sds - page膠上可見明顯的表達蛋白帶) 。Mas precursor powders are prepared using aluminium sulfate, colloidal silica, and magnesium nitrate as raw materials via sol - gel methods, dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300
以硫酸鋁、硝酸鎂和硅溶膠為原料,採用溶膠-凝膠法,制得mas先驅體粉末, xrd表明,該粉末經1300的熱處理后,完全轉變為堇青石。In some high-grade disseminated ores, sulfides are also encountered as bands, reniform masses, and coatings associated with colloform textures.
有些高品級浸染狀礦石中,硫化物類也成層帶、腎狀塊,與膠體結構共生。The basic ingredient of the mixture is liquid thiokol.
其基本組份之一是液體聚硫橡膠。However the binary catalysts system favors low residue content. it was found that the residue content were remained at a low level with ethylene glycol as the reaction media and 6 % ( by mass ) of sulfuric acid as the catalyst in the presence of phenol. the contents of lipophilic products were investigated
經凝膠色譜法測定表明,以濃硫酸苯酚為催化劑、乙二醇為反應介質的反應體系,所得到液化產物的平均相對分子質量最低, m _ w為806 , m _ n為799 。Effect of stearate on properties of polysulfide prepolymer
硬脂酸鹽對聚硫橡膠預聚體硫化后性能的影響The paper describes the implementation method of the software and hardware in detail ; explains the sulphuration technology in production of rubber and how to control sulphuration machine by plc ; discusses the principle, current situation and development trend of the dcs ; recommends the serial communication in industrial and how to realize it in delphi ; analyzes the communication protocols of series of lg ' s master - k10 plc and on the base of which, realized the communication between upper - computer and low computer ; discusses the realization flows of control system on upper - computer in detail, the software and hardware of module every design ; introduces the functions and realization of query software on client computer
詳細論述了控制系統硬體及軟體的實現方法;闡述了橡膠生產中的硫化工藝以及如何用plc對硫化機進行程序控制;討論了集散控制系統的原理、研究現狀及發展趨勢;介紹了工業控制領域中的串列通信以及如何在delphi中實現串口通信;分析了lg公司master - k10系列plc的通信協議,並在此基礎上實現了上位機與下位機的通信;詳細討論了上位機控制系統的實現流程、各模塊的軟硬體設計;詳細介紹了客戶端查詢軟體的功能及實現。Technetium 99mtc sulfur colloid
鍀99mtc膠體硫Filling flexibilizer, such as epoxy terminal block, polyurethane ether structure, thiokol and liquid ctbn to the system of expoxy - mannich amide, through the test on shear strength, bounding elasticity modulus and break strength of cured products, the different fuction could be found using different flexibilizers
摘要在環氧酚醛胺體系中使用端環氧基聚氨酯醚、聚硫橡膠、液體丁腈橡膠等活性增韌劑,通過對固化物剪切強度、彎曲彈性模量及斷裂強度的測試對比,可以看出不同增韌劑效果不同。Rubber, vulcanized - determination of the effect of liquids
硫化橡膠耐液體試驗方法Purification and characterization of phytase from a. niger an 01001 a. niger an01001 was inoculated on solid media and cultivated at 30 for 5 days. proteins were extracted from solid - state fermentation with 50mm acetate buffer ( ph5. 5 ). the molecule weight of the phytase protein was determined as about 78kd by sds - page. the purification procedures include ammonium sulfate precipitation, deae - cellulose ion - exchange chromatography, gel electrophoresis and electroelution
3 .植酸酶的分離純化及其性質研究黑麴黴ano1001經固體發酵,用緩沖液抽提后,經硫酸按沉澱, deae一纖維素離子交換層析,聚丙烯酞胺凝膠電泳和電洗脫等純化步驟獲得的植酸酶,用sds一page檢測為一條均一譜帶,其分子量約為78kd 。Three dimensionally ( 3d ) - ordered macroporous materials of bovine serum albumin ( bsa ) and fluorescein isothiocyanate ( fitc ) labeled bsa were prepared by means of colloidal crystal as template
摘要用膠體晶體為模板制備了牛血清白蛋白和異硫氰基熒光素標記的牛血清白蛋白的三維有序大孔材料。We also investigated the pathological changes of mouse liver, thymus and cerebrum cortex challenged by so2 inhalation by in vivo tests. we studied the apoptotic induction on mouse spleen cells and cytotoxicity of human embryo lung fibroblasts of so2 derivatives by in vitro tests. in vivo tests of sulfur dioxide inhalation showed : ( 1 ) effects on mouse lung of so2 challenge : we found no significant apoptotic changes induced by so2 inhalation but obvious pathological changes of lung with vacuolating of osmiophilic multilamellar bodies which maybe related with the decrease of surfacant and decrease of microvillus of type ii alveolar cells ; we also found thickening of part of basement lamina between type i alveolar cells and capillary endothelium cells which may inhibit the dispersion of oxygen and contribute to lung dysfunction
二氧化硫熏氣染毒的體內實驗結果表明,在本次實驗的濃度范圍內( 56mg m ~ 3 、 112mg m ~ 3 、 168mg m ~ 3低、中、高三個濃度) : ( 1 )通過透射電鏡、 dna凝膠電泳分析和流式細胞分析發現二氧化硫吸入染毒一周對小鼠肺臟沒有明顯的凋亡誘導作用,但通過透射電鏡觀察發現二氧化硫可引起肺臟明顯的超微結構改變,引起型肺泡上皮細胞板層體空泡化,微絨毛減少,線粒體緻密化或腫脹變性;肺泡血管內皮細胞和型肺泡上皮細胞之間基膜增厚,使氧氣彌散功能出現障礙,從而降低肺功能。The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant
沉澱和上清液的不連續十二烷基硫酸鈉聚丙烯酰胺凝膠電泳( sds - page )和高效凝膠排阻層析分析結果表明,還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外,還會形成可溶的蛋白溶菌酶分子二聚體和三聚體,二聚體和三聚體主要是靠分子間二硫鍵的錯配連接而成的;可溶的蛋白溶菌酶分子二聚體之間通過非共價鍵相互作用而形成集聚體沉澱,而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。Rubber, vulcanized or thermoplastic - determination of the effect of liquids
硫化或熱塑性橡膠.耐液體作用的測定Making sensitive material : made in non - sulfur vulcanization system with the formula : epdm 100kg, dicumylperoxide ( dcp ) 2kg as cross - linking agent, stearic acid 1kg as processing aid, oxidized zinc ( zno ) 3kg as accelerant, wax oil 10kg as lubricant ; and made in vulcanizing condition : vulcanizing temperature 170 c, vulcanizing time 15minutes, vulcanizing pressure 3 mpa, the vulcanized epdm is optimal sensitive material for petrol. the sensing head equipped with the vulcanized rubber possesses two qualities : better swelling response and better anti - interfere against temperature variation
敏感材料的制備:用無硫硫化體系;配方為:生膠100kg , dcp2kg ,硬脂酸1kg , zno3kg ,石蠟油10kg ;硫化條件:硫化溫度170 ,硫化時間15分鐘,硫化壓力3mpa ,制備的硫化橡膠對汽油的監測較理想,用其裝備的傳感頭不僅有較好的溶脹響應性能,而且有很好的抗溫變干擾能力。The problem of the cure - rate incompatibility in dissimilar rubbers, including the selection of optimum vulcanization system, the modification of rubber, the use of dynamic vulcanization technology and the selection of optimum blending technique were reviewed with 25 references
摘要硫化不相容性是橡膠共混中的重要問題,解決硫化不相容性的方法主要是:選擇合適的硫化體系,對橡膠進行化學改性,採用動態硫化技術和選擇合適的共混工藝。Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction
本文選擇了w 、 mo 、 co等金屬,採用浸漬還原法、熱還原法、改進的熱還原法以及溶膠凝膠法分別制備了這幾種金屬的碳載催化劑,對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射( x - raydiffraction , xrd ) 、透射電子顯微鏡( transmissionelectronmicroscopy , tem )等測試,研究結果表明:這些非貴金屬在硫酸體系中對氫氣的氧化反應均有一定的催化活性。However, as more nano - zno was added and the smaller the particle size was, the shorter the vulcanization time was. on the other hand, when commercial zno powder was insteaded by nano - zno, the mechanic properties would be improved and the needed quantity of zno would be decreased. compared with rubber composites with 5 parts of commercial zno powder, rubber composites with only 1 parts of nano - zno have better mechanic properties, wear - resistance and anti - aging ability
用幾種不同粒徑的納米氧化鋅取代普通氧化鋅,應用於以nr - br - sbr為基體的橡膠復合材料中,研究了不同粒徑的納米氧化鋅對橡膠復合材料硫化時間、常規力學性能、耐老化性能及摩擦磨損性能的影響並與加入普通氧化鋅的傳統橡膠體系進行了l廠b文通人學顧咐穴生學位淪義摘羅比較。And the quality control system was developed for ddmbac. the coagulating property of ddmbac was discussed and the interaction model between ddmbac and colloidal particles was developed. the influence of ddmbac on coagulation using aluminum sulfate ( as ) or polyaluminum chloride ( pac ) was also investigated based on analytical method and interaction model
本文探討了ddmbac對高嶺土顆粒的混凝除濁性能,提出了ddmbac與膠體顆粒間的相互作用機理模型;在已有的研究成果基礎上,分析研究了不同混凝條件下ddmbac對硫酸鋁、聚合氯化鋁混凝效果的影響規律和機理。分享友人