液體硫化劑 的英文怎麼說
中文拼音 [yètǐliúhuàjì]
液體硫化劑
英文
liquid vulcanizing agent-
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 。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。The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1. 5 % naoh for bone char. studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water. fluoride concentration below 1. 0mg / l can be acquired easily with them and meets the requirement of drinking water standards
對兩種除氟劑進行的再生液與吸附劑體積比為1 : 1的再生實驗表明:用硫酸鋁溶液對活性氧化鋁再生,再生濃度為1 2 ,再生時間為30 50h ,沖洗浸泡時間為5h效果較好;對骨炭再生,氫氧化鈉再生液濃度為1 1 . 5 ,再生時間為20 30h效果較好。Organic silicon : silicon oil ( silicon grease, silicon suckling liquid, silicon surfactants ), silane coupling agent ( organic silicon chemistry reagent ), high temperature sulfur rubber, liquid silicon rubber, organic silicon polymer, silicon resin, organic silicon singles, compound etc., organic silicon produce and the related raw material, aid chemical preparation, technique
有機硅:硅油(硅脂、硅乳液、硅表面活性劑) ,硅烷偶聯劑(有機硅化學試劑)高溫硫化橡膠、液體硅橡膠、有機硅聚合物、硅樹脂、有機硅單體、復合物等,有機硅生產相關原料、助劑、技術。This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings
本實驗以12種重要的糧食和蔬菜作物為研究對象,研究了主要大氣污染物二氧化硫( so _ 2 )對不同植物的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植物在受到so _ 2污染后植物體內過氧化物酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的動態變化,並分析了這些生理生化變化和植物抗性的相互關系,同時還對5種化合物溶液對植物的保護作用進行了初步研究,結果表明: 1The petroleum chemical industry with the activated charcoal evengrain - size distribution, the high benzene adsorption dynamics, wear - resisting, resists corrosion, the selective adsorption performance isoutstanding, mainly uses in the petroleum, the natural gas and thecarbonificated industry vapor phase live pressure adsorption, theliquid phase separation, the solvent recovery, the liquid and the gasproduct purifies, and is mad in the fluid product organic sulfideremoveing
均勻的粒度分佈,高的苯吸附力,耐磨、耐蝕,選擇吸附性能優異,主要用於石油、天然氣及煤化工業的汽相變壓吸附,液相分離,溶劑回收,液體及氣體產品凈化,及氣液產品中的有機硫化物的去除。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In the experiment, the first instar housefly larvae " metallothionein mrna expressing reach maximur. after induced by cd ( 2mm ) for 48 hours, then total rna was extracted with guanidinium isothiocyanate, and mrna was isolated by the polyattract mrna isolation systems surplied by promega company
試驗中採用2mmcd ~ 2對家蠅初孵幼蟲誘導48小時,使其體內金屬硫蛋白mrna表達達到高峰,在液氮中將其研磨成粉末后採用異硫氰酸胍法提取總rna ,再用promega公司提供的小量分離mrna試劑盒純化mrna 。We own modern production lines for laundry powder, soaps, surfactants and liquid detergent, the largest and most modern sulfur trioxide sulfonating equipments with best control method in china introduced from italy as well as the detergent manufacturing devices with advanced industrial level
公司擁有現代化的洗衣粉肥皂表面活性劑液體洗滌劑生產線,擁有從義大利引進的全國最大最先進控制手段最佳的三氧化硫磺化裝置和具有行業先進水平的洗滌劑製造裝置。分享友人