膠凝硫化 的英文怎麼說
中文拼音 [jiāoníngliúhuà]
膠凝硫化
英文
gelling vulcanizing-
Dna damages caused by so2 and lead acetate were studied with the single cell microgel electrophoresis technique ( or comet assay ) in order to confirm the damaging degree of lead ( as an important component of atmosphere particle matter ) on dna from male mice exposed to so2. the migrating distances of dna of brain, lung, spleen and kidney cells of mice increased significantly, compared to the control group under conditions of single and combined poisoning of so2 ( 42mg / m3 ) and lead acetate ( 0. 2 % ), and lead could strengthen dna damage degree by so2 in nuclear dna of brain, kidney, spleen cells. damaging degree of so2 on nuclear dna of lung cell of mice was more severe than that of lead
為了明確大氣顆粒物中的重要組分? ?鉛在二氧化硫所致dna損傷中的作用程度,利用單細胞凝膠電泳技術( singlecellgelelectrophoresis , scge ,或稱彗星實驗, cometassay )研究了鉛與二氧化硫的聯合污染,結果表明在42mg m ~ 3so _ 2和0 . 2醋酸摘要一abstract鉛單獨及聯合染毒條件下,小鼠腦、肺、腎、脾細胞dna遷移距離均比對照顯著增加;鉛加劇了50 :對腦、腎、脾細胞核dna的損傷程度; 50 :對肺細胞核dna的損傷程度要比鉛的損傷大,小鼠肺細胞核dna遷移距離在50 :和醋酸鉛聯合作用組與醋酸鉛單獨作用組間有極顯著性差異( p < 0 . 01 ) ,而與502單獨作用組間沒有顯著性差異。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 。The results show that in 185 saturated steam, pyrite tailing doesn ' t hydrate alone, but is converted into calcium silicate hydrate when mixed with lime
結果表明: 185飽和蒸汽壓下,硫鐵尾礦不具有水熱水化的能力,硫鐵尾礦與石灰可以形成具有膠凝性能的水化產物。Medium experiments were arranged under uniform design, and then an optimum medium was got accordingly. the culture liquid was centrifugalized at 3, 500r / min for 30min, then ammonium sulfate was added into the supernatant to a final concentration of 30 % to precipitate the others
通過硫酸銨分級沉澱、 deaesephadexa - 50陰離子交換凝膠層析和sephadexg - 75凝膠柱層析對發酵液進行分離和純化,並得到電泳純的酶。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 。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。With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance
在參閱了大量文獻的基礎上,分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦,經原子力顯微鏡測試,獲得的超細二硫化鉬的粒度平均在800nm以內,納米銅粒子平均粒度約為30nm ,表面修飾納米二氧化鈦平均粒度約為40nm ,在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性,結果表明:在合理的添加濃度范圍內,超細二硫化鉬在低載時具有優良的減摩抗磨性能,納米銅在高載時具有比較好的減摩抗磨性能,表面修飾二氧化鈦粒子因具有有機與無機復合物的特性,從低載到高載都保持穩定的減摩抗磨性能。Under these conditions the fibrinolytic activity of the supernatant can reach 820 urokinase units per milliliter broth. ba - dfe was purified from the supernatant of b. amyloiquefaciens dc - 4 culture broth by ammonium sulfate precipitation, ion - exchange chromatography on cm - and deae - sepharose fast flow, hydrophobic interaction chromatography on phenyl sepharose 6 fast flow and gel filtration on sephadex g - 50. the purified enzyme displayed thermophilic, hydrophilic and strong fibrinolytic activity
通過硫酸銨分級沉澱、 cm - sepharosefastflow和deae - sepharosefastflow離子交換層析、 phenylsepharose6fastflow疏水層析和sephadexg - 50凝膠過濾等方法,從解澱粉芽孢桿菌dc - 4的發酵液中分離純化出電泳純的ba - dfe 。Rubber, vulcanized - preformed compression seals for use between concrete motorway paving sections - specification for material
混凝土道路伸縮縫用預成型硫化橡膠壓縮密封件材料規范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。( 2 ) effects on mouse spleen of so2 challenge : we found significant apoptotic changes of mouse spleen through tem observation and dna electrophoresis analysis and flow cytometric analysis. we found condensed, marginating, half - moon like apoptotic lymphocytes both in white pulp and red pulp ; we found significant dna degradation with dna ladders from the dna electrophoresis analysis in the 168 mg / m3 so2 treated group ; we also found marked increase of apoptotic rate between 168 mg / m3 so2 treated group and control group from the flow cytometric analysis
( 2 )二氧化硫吸入可引起小鼠脾臟細胞出現明顯的凋亡改變,紅髓區和白髓區淋巴細胞出現核固縮,染色質凝聚、邊集; dna凝膠電泳分析發現168mg m ~ 3二氧化硫染毒組出現典型的dna梯形條帶;流式細胞分析也發現高劑量染毒組的小鼠脾細胞凋亡率增加,並且與對照組相比有顯著性差異, p 0 . 05 。Standard guide for silicone elastomers, gels and foams used in medical applications part i - formulations and uncured materials
醫療設施中用的硅彈性體凝膠和泡沫的標準指南.第i部分:組成和未硫化材料Preparation methods for au catalysts, such as deposition - precipitation, sol - gel and polymers - protection methods, were described, as well as their application in hydrodechlorination and hydrodesulfurization
重點論述了沉積沉澱法、溶膠凝膠法和聚合物保護法等催化劑的制備方法以及在加氫脫氯、加氫脫硫等領域中的應用,並對金催化劑的進一步研究提出看法。The sol - gel film showed the excellent chemical and electrochemical properties as well as kept the quality electrochemical activity of those immobilized redox molecules. the modified molecules took place the typical adsorption controlled electrochemical reaction, and furthermore, the modified methylene blue gave the obviously electrochemical catalytic affection on oxidation of nadh or reduction of hemoglobin if they were immobilized in the film meanwhile
同時以硅溶膠?凝膠膜為載體制得化學修飾電極,用sol - gel法在金電極上固定亞甲藍、硫堇及茜素s ,發現固定於納米溶膠?凝膠膜內的亞甲藍和硫堇均有良好的電化學活性,對同時固定於膜內的nadh 、血紅蛋白等生物分子產生顯著的催化氧化還原作用。The typical deep viscous oils in loujia - kenxi area are characterized by a high density ( or low api gravity ), a high viscosity, a high sulfur content and low amounts of saturates and aromatics as compared to resins and asphaltenes
羅家-墾西地區的典型稠油在物性上具有高密度、高粘度和高凝固點等特點。在化學組成上具有含硫量高、膠質和瀝青質含量高,而飽和烴、芳烴含量低。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。The brine shrimp he was prepared and purified by 67 % ammonium sulfate precipitation, deae - sepharose fast flow ion - exchange chromatography, and sephacryl column gel - filtration, and its biochemical and enzymological properties were identified in this study. it was found that the deduced molecular weight of he in sds - page is about 98. 5 kda, and its proteolytic activity was optimized at ph of 7. 5 - 8. 5 and at temperature of 40, respectively
我們利用67硫酸銨沉澱、 deae - sepharosefastflow陰離子交換柱層析和sephacryl凝膠過濾柱層析,並以酪蛋白為其蛋白酶水解活性的檢測底物、以卵膜為其卵殼裂解活性的特異性底物,從鹵蟲胚胎孵化液中分離純化出了鹵蟲的孵化酶分子,其在sds - page電泳中的分子量約為98 . 5kda 。3. the extracellular phb depolymerase was purified from 09 by using hydrophobic column chromatography and gel filtration technique in sephadex g - 100. the specific activity of the purified enzyme was increased by 37. 9 folds over crude extract, and the recovery yield was 8. 9 %
以粗酶液為起始,經硫酸銨分級沉澱、 sephadexg - 100凝膠過濾后,分離純化了該酶,純化倍數約為37 . 9 ,酶活力回收率8 . 9 。They are poly ( sodium methacrylate ) / cds ( pmaana / cds ), pmaana / pbs, poly ( sodium acrylate ) / la ( oh ) 3 ( paana / la ( oh ) 3 ) and paana / pbs, respectively. ( 1 ) preparation and properties of pmaana / cds composite particles pmaana microgels containing cd2 + were prepared by inverse emulsion polymerization method. then, h2s gas was introduced slowly into the system, and the metal ions were deposited within the microgels as cds
( 1 ) pmaana cds復合微球的制備與性能研究首先,利用反相乳液聚合的方法,制備得到了包埋cd ~ ( 2 + )的pmaana微凝膠,然後通過外源沉積(即向反應體系中緩慢通人硫化氫氣體) ,得到了pmaana cds有機-無機復合材料。分享友人