高純試劑 的英文怎麼說

中文拼音 [gāochúnshì]
高純試劑 英文
high purity reagent
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 形容詞1 (純凈; 不含雜質) pure; unmixed 2 (純粹; 單純) simple; pure and simple 3 (純熟) skil...
  • : 名詞(古代占卜用的器具) astrolabe
  • : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
  • 高純 : high purity高純材料 high purity material; 高純金屬 high pure metal; 高純試劑 high purity reagent;...
  • 試劑 : [化學] reagent; agentia; analoids試劑廠 chemical reagent works
  1. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較的力學及耐水性能。
  2. Ultrapur is the guaranteed ultra - pure class reagent that meets the need for superior trace analysis to ppb, ppt detection limits and beyond

    Kanto taiwan corp . utrapur為超度級之,適用於超微量之分析,可達到或超越ppb ppt級之偵測極限。
  3. We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes

    發光光譜研究表明,由於協同的參與,屏蔽了水分子參與配位,降低了羥基( oh )對釹離子激發態能級~ 4f _ ( 3 2 )的猝滅,三元配合物的熒光強度均比二元配合物強,其中配合物nd ( tta ) _ 3 ( tppo ) _ 2在1340nm處的熒光強度最強,適合作為摻雜的光學活性物質,來制備有源光波導材料;在有水工藝條件下,單地氟化配體未必能提釹配合物的近紅外發光性能。
  4. Phosphorus pentoxide is usual material and reagent in chemical industry, this product is widely used in the industries of medicine, coating auxiliaries, printing and dyeing auxiliaries, anti static additive, titanate coupling agent, phosphorus oxychloride, chemical. mainly used in producing high purity phosphoric acid, used as desiccant of gas and liquid, dehydrant of organic synthesis

    五氧化二磷是化學工業中常見的原料和,本品廣泛用於醫藥,塗料,印染,化工等行業,主要用於製造度磷酸,用作氣體和液體乾燥,有機合成的脫水,以及有機磷酸酯的制備。
  5. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    驗結果表明:所選原料的尺寸、形狀及度可滿足固體潤滑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提其與其它組分的相容性,提層間剪切強度;均勻設計驗方法能夠用較少的驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑與45 #鋼軸配副或是固體潤滑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  6. In order to study the function of cycling2 in vitro culturing cell line, we used pires - g2 eukaryotic expression vector transfecting human gastric cell line sgc - 7901 and human embryo kidney hek - 293 cells by lipofectamine plus reagent, and studied the function of cycling2 expression on the cell proliferation in vitro, further investigated the regulation mechanism of cycling2. at the same time, we made a study on the expression level change of cycling2 in normal gastric tissue and different type and different stage of gastric carcinoma tissue. material and method 1 material : piresneo vector was purchased from clonetech, plasmid extraction and purification kit was purchased from qiagen company ; rpmi 1640, dmem fetal calf serum were obtained from gibco / brl ; lipofectamine plus and g418 were purchased from life technologies ; ultrasensitive ? s - p kit, mouse monoclonal antibody p21wafl ( in use ), dab staining kit were purchased from maixin company

    實驗材料與方法1 .實驗糖dmem 、 rpmll640和胎牛血清購自美國g山eo / brl公司; dmewf12 ( 1 : 1 )混合培養液購自美國hyclone公司;胰蛋白酶購自美國si目叮a公司; hepes由美國amersco公司分裝;脂質體轉染( upofectalnineplusreageni )和以18為美國玩vitrogen公司產品; piresneo載體購自美國cloneteeh公司;質粒提取及盒購自德國qiagen公司; ultresensitive翎s一p免疫組織化學盒;鼠單克隆抗體戶3 ( do一7 )蛋白(即用型) ;鼠單克隆抗體p21waf , (即用型) ; dab染色盒均購自福建邁新公司;鼠單克隆抗體pziwa曰(濃縮型) ;辣根過氧化酶標記羊抗鼠二抗購自北京中山公司; ecl盒購自美國santacruze公司; dcproteinassay盒購自bi 。
  7. Products : rectifers, high silicon cast iron anodes, mmo anodes ( rod, tubularribbon ), titanium conductor bar, sacrificial anodes ( aluminum, magnesiumzinc ), magnesiumzinc ribbon anodes, zinc grounding cell, reference electrodes, test postjunction boxes, thermite ( corrtech exothermic weld metal ) mold, cathodic protection system utilizing solar energy, cp data remote monitoring system, and other accessories

    我們的產品:恆電位儀、硅鑄鐵陽極、鈦基混合金屬氧化物陽極(帶狀、棒狀、管狀) 、鈦導電片、鋅合金陽極、鎂合金陽極、鋁合金陽極、鋅帶鎂帶、長效硫酸銅參比電極、鋅參比電極、鋅接地電池、陰極保護測樁、鋁熱焊模具和焊、太陽能陰極保護系統、陰極保護參數遠程監測控制系統等全系列陰極保護系統配套產品。
  8. This thesis clarifies how to secure the quality of analytical determination from such aspects as chemical reagent, implement, vessel, pure water, high purity acid, lab ' s condition

    摘要從化學水、酸、器皿、實驗環境、容量儀器的正確使用等幾個方面,闡述了如何做到痕量分析測定的質量保證。
  9. Design and preparation of novel ion exchange fiber, or functionization of activated carbon fiber, and application of these materials in energy storage and exchange, or in removal of trace metal ions

    新型離子交換纖維研製、活性炭纖維功能化、以及上述材料在儲能和高純試劑應用開發方面選擇研究課題。
  10. Extraction of large - fragment genomic dna in order to gain dna template of pcr amplification ( long pcr amplification and salvage pcr amplification ) which was high purity and large fragment, three methods were used to extract genomic dna of bacillus subtilis, i. e. low melting - point agarose embedding method, sds - proteinase k - phenol chloroform extraction method and bacterial genomic dna extraction kit method. the genomic dna of bacillus subtilis were gained by these methods, and the operated programs of the methods were improved. the results showed that the genomic dna extracted by low melting - point agarose embedding method were obviously biggest than that of another two methods

    大片段基因組dna的提取為了獲得用於pcr擴增(長距離pcr擴增和分段pcr擴增)的度、大片段(至少為pcr產物長度的4倍)的dna模板,應用三種方法:低熔點瓊脂糖包埋法, sds -蛋白酶k -酚氯仿抽提法和細菌基因組dna提取盒法,分別提取獲得了枯草桿菌基因組dna ,並對3種方法的操作程序進行了不同程度的改進,結果表明:低熔點瓊脂糖包埋法提取的基因組dna片段明顯大於后兩種方法,採用0 . 5瓊脂糖凝膠電泳3h ,仍然跑不出加樣孔。
  11. After many years of painstaking efforts and achieved national iso9001 : 2000 quality system certification, a series of production, marketing in an integrated enterprises, i plant the production of chemical reagents i of 6000, including organic reagents, inorganic reagents, lot reagents, biochemical reagents, imaging reagents, chromatography reagents, import reagents ; in addition, i also operating glass factory equipment and various medical equipment

    經過多年苦心經營,取得了國家iso9001 : 2000質量體系認證,形成了集生產、銷售於一體的綜合型企業,我廠目前生產經營的化學達6000餘種,其中包括有機、無機高純試劑、生化、核磁、色譜、進口等;此外,我廠也經營玻璃儀器及各種醫療器械。
  12. Actuality and development of ultra - clean and high pure chemical reagents and photoresists in china

    我國超凈高純試劑和光刻膠的現狀與發展
  13. The quantity of each impure element is at ppt level, which offers the most superior reagent in purity on the market

    每一不元素的量均在ppt之等級,為市面上最度之
  14. 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

    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化mrna 。
  15. General rule for test methods of highly purified reagents

    驗方法的總則
  16. Petroleum chemical companies, and r d labs in various industries. our main business scope including : design and construction for new lab, alteration and upgrade of outmoded lab, update and development for lab in existence, production and installation for lab furniture system, design and construction for lab high - purity gas pipeline, design and construction for lab aeration system, laboratory exhaust gas waste residue treatment, laboratory wear material, chemic reagents, laboratory analytic apparatus, and lims laboratory information management system etc.

    上海傲仕實業發展有限公司是一家專業從事實驗室系統工程的公司,多年來,我們一直致力於國內外科研單位大專院校醫藥石油化工電子等行業的實驗室建設公司涉及的主要業務范圍包括:新建實驗室的設計與施工陳舊實驗室的改造與升級現有實驗室的更新與拓展實驗室傢具系統的生產與安裝實驗室氣體管路的設計與施工實驗室通風系統的設計與施工實驗室廢氣廢液的處理實驗室耗材化學實驗室儀器及實驗室信息管理系統lims等,公司擁有中級工程師專家技術顧問設計師28名及專業的施工隊伍,從咨詢設計到施工為客戶提供一套完善的售前售後一站式服務體系,解決實驗室設計和施工當中因不同專業的而涉及到的各種問題
  17. Ultrapur price list

    Ultrapur price list超價格
  18. Highly selective hydrogenation catalysts

  19. By using the high pure alumina micro - powder ( > 99. 0 % ) and the polymorphous alumina fiber as materials, by adding alumina sulfate as the binder or polypropylene - amide as the disperser respectively, through mixing, dispersing, and compression molding, at different temperatures of 1200 c, 1350 c, 1400 c, 1500 c, and 1550 c with no pressure, the alumina fiber - alumina composites were made

    驗採用氧化鋁微粉( 99 . 0 )和多晶氧化鋁纖維為原料,分別加入硫酸鋁和聚丙烯酰胺作結合和分散,經混合、分散、壓力成型及在1200 、 1350 、 1400 、 1500 、 1550下無壓燒成制得氧化鋁纖維? ?氧化鋁復合材料。
  20. Ppd is not sensitive enough, furthermore bcg vaccination interferences the diagnosis of tb. for the reasons above, it is very important to develop new vaccine, or enhance bcg effection and diagnosis reagent for finding tb patient timely and specially

    同時,由於bcg的廣泛接種,使化的結核菌素蛋白衍生物( purifiedproteinderivativeoftuberculin , ppd )診斷特異性不, tb病例的及時發現成為難題。
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