純化合物 的英文怎麼說
中文拼音 [chúnhuàgěwù]
純化合物
英文
pure compound-
High purity gallium metal is the basic ingredient for semiconductor compound material, and it is also highly utilized in the manufacture of super conductor material, alloy, alnico etc
高純度金屬鎵是生產化合物半導體材料的基礎材料,同時它還可以用於生產超導材料、合金材料、永磁材料等。The pure compound tends to crystallize systematically into cubic form.
純化合物傾向于系統地結晶成立方形狀。Two kinds of flavonoids in water extracts, water - extraction and alcohol precipitation, alcohol extracts were found by paper chromatography. they were separated and purified by thin - layer chromatography, one of which was primarily identified by uv as 4 ", 5 - dihydroxy - flavonol etherification or 4 ", 5, 8 - trihydroxy - flavonol etherification
水提物、水提醇沉物、醇提物等3種提取物紙層析結果顯示有兩種黃酮類化合物,經薄層層析分離純化,並進行紫外光譜分析,初步測定其中一組分為4 , 5 -二羥基黃酮醇醚或4 , 5 , 8 -三羥基黃酮醇醚。Strain bl21, and gene expression was induced by iptg. the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene. using ion exchange chromatography and gel filtration chromatography, the chimera proteins were purified, and both of them showed a single band in tricine - sds - page. the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities, but gain platelet aggregation inhibitory activities as well
通過離子交換層析和凝膠過濾層分別對兩種嵌合體蛋白進行純化,純化產物在tricine - sds - page中都顯示為單一條帶。活性分析結果表明兩種嵌合體蛋白在保留水蛭素抗凝血酶活力的同時,還呈現抗血小板聚集活性。For example, it can be used to desalinate sea water or brackish water, to remove salt in the process of concentrating solutions, to prepare inorganic compounds electrolytically, to recover and to purify radioactive elements, to soften and desalinate water for boiler, and to process industrial products in metallurgy, coal, electronics, pharmaceuticals, chemical engineering, food and other industries
例如海水,苦鹹水的淡化,溶夜的脫鹽濃縮,電解製作無機化合物以及放射性元素的回收提純,鍋爐水的軟化脫鹽,電子、醫藥、化工、食品、煤炭、冶金等工業品處理。Test method for purgeable organic compounds in water using headspace sampling
用筒底間隙取樣技術對水中可提純有機化合物的試驗方法Experimental results show that the order of fluoride salt being put in and flux type also influences the phases constitution, morphology, distribution and absorbent rate of ti and b. the experiments on remelting master alloys and al or al alloys at a certain temperature range show that the phases constitution and size have a remarkable heredity
試驗結果表明,不同的氟鹽加入順序和熔劑種類的不同也直接影響著中間合金中化合物的相組成、形態、分佈以及中間合金中ti 、 b的實收率等。在用純鈦顆粒法制備中間合金時,熔煉溫度的改變只能影響tial _ 3晶體的尺寸大小,而無法改變其形態。The paper developed a novel method of preparation of potassium ferrate by hypochlorite oxidation, and determined the optimal parameters. the experimental results demonstrate that fe ( vi ) compounds with high purity and yield can be prepared by raw technical materials. a variety of fe ( vi ) cathode materials, synthesized by potassium ferrate and alkaline - earth metal salts, provide a high - energy electrochemical discharge
採用改進的次氯酸鹽氧化法(濕法) ,以工業級的原料,在實驗室內,從1到4倍率規模合成高純度、高收率的fe ( )化合物起始物? ?高鐵酸鉀,純度可達98 、收率在80以上;再以高鐵酸鉀為原料合成堿土金屬fe ( )化合物或其他fe ( )復合物,其中堿土金屬fe ( )化合物純度可達94以上。Ultraviolet absorption detector, photodiode array detector ( dad ), fluorescence detector, and electrochemical detector are optional detectors, response value of which is relative to not only quality of the object under test, but also structure of the compound ; refractive index detector and evaporative light - scattering detector are universal detector, responding to structure of all compounds ; evaporative light - scattering detector is quality - type detector, whose responding value only relates to quality of the object under test for compounds with similiar structures ; photodiode array detector ( dad ) can, at the same time, record absorption spectra of the object under test in a prescribed wave scope, consequently, it can be used in spectrum control and inspection of purity of chromatographic peaks of the object under test
紫外、二極體陣列、熒光、電化學檢測器為選擇性檢測器,其響應值不僅與待測物的質量有關,還與化合物的結構有關;示差折光檢測器和蒸發光散射檢測器為通用型檢測器,對所有的化合物結構均有響應;蒸發光散射檢測器屬質量型檢測器,對結構類似的化合物,其響應值幾乎僅與待測物的質量有關;二極體陣列檢測器可以同時記錄待測物在規定波長范圍內的吸收光譜,故可用於待測物的光譜管制和色譜峰純度的檢查。Up to now, almost no papers concerning with urease / amphiphile mixed lb films and pure urease lb films have been reported
目前幾乎沒有關于脲酶兩親性化合物混合lb膜、純脲酶lb膜的文獻報道。Vital chemicals co., ltd., a large foreign invsted company, is a leading producer of selenium 、 tellurium 、 bismuth 、 cadmium 、 antimony 、 indium 、 gallium 、 sulfur and its chemicals
先導(清遠)稀有金屬化工有限公司是一家專業生產和銷售硒、碲、鉍、鎘、銻、銦,鎵,硫等高純金屬材料及其化合物的大型外資高新技術企業。Dsc, xrd, and edx analysis were adopted to explore the solid - state reaction processing parameters. the results showed that zrnisn - based compounds were synthesized at 1173k with holding for 96 ~ 168hrs, which were also under high purity ar shielding
結果表明:通過固相反應, zrnisn基化合物可以在高純ar氣保護下於1173k保溫96 168小時獲得:各種組分的產物晶型完整且無雜質相出現。The neutral bio - oi1 can be separated into three fractions : the fraction washed down by cyclohexane ( c1 ) mainly contains aromatics with up to four rings ; the fraction washed down by benzene ( c2 ) mainly contains alkyl - substituted aromatic hydrocarbons and polyphenols ; and the fraction washed down by methanol ( c3 ) mainly contains ester polar components
中性油層析分離為3個餾分:環己烷洗脫餾分( c1 )主要為四環以下純縮合化合物;苯洗脫餾分( c2 )主要由單環烷基芳烴和多酚組成;甲醇洗脫餾分( c3 )主要是酯類極性化合物。Many kinds of chromatograph including silica gel, d101 resin, sephadex l - 20 gel, rp - 8 and hplc are used in extracting and separating chemical constituents form these plants. certainly, they need to select the best eluate by tlc. some technique including ms ( ei - ms, fab - ms ), id and 2d nmr ( cosy, roesy, hmbc, hmqc ) been used in identifying these chemical structures
通過各種硅膠柱層析,吸附樹脂, sephadex系列凝膠樹脂以及rp - 8類反向柱等層析材料以及高效液相色譜等技術,利用不同的洗脫體系對這兩種植物的化學成分進行分離得到純的單體化合物,然後利用ms ( ei - ms , fab - ms ) 、一維nmr 、二維nmr ( cosy , roesy , hmbc , hmqc )等技術對這些化合物進行結構鑒定,利用ir和uv對這些化合物進行了表徵。With ni2 + - lda - sepharose, the cbd tag was removed. according to the results of sds - page and western blot analysis, the product of outflow was the target protein lt a 27. the purity of lt a 27 was about 95 %
運用niz +金屬鰲合親和層析柱進一步快速純化去除融合頭,上樣流出經sds一隊ge分析和western印跡分析ii1 :明得到的純化產物為淋巴毒素缺失體蛋白lt凸27 , lt 2 :產物純度可達95 %以上。Abstract : the nature of carbon sludge remained during the producing of water glass from rice husk or rice straw is studied. the results show : during the producing of water glass, the new technology can get rid of metal impurties which have been formed undissolved compounds ; the undissolved compound can dissolved in acid ; the purity of water glass producing by new technology is as same as or higher than the purity of it wthich is produced by the tradional technology sometimes
文摘:對用稻殼、稻草制備水玻璃所剩餘的炭渣進行了分析,給出實驗結果.結果表明:金屬成分在水玻璃的制備過程中以難溶化合物的形式被除去;難溶化合物能與酸反應,轉化為可溶化合物;新技術制取的水玻璃溶液與傳統方法相比,純度相同,甚至更高Two compounds with the purity higher than 95 % were obtained with this method
通過該方法,已得到兩個二氫沉香呋喃倍半萜類化合物,純度均在95 %以上。The bioassay showed that the new compounds acted as inverse pure agonist on mvd and gpi and reversed by naloxone
生物鑒定表明新化合物為可逆性阿片受體純激動劑並可被納絡酮完全對抗。Diazo carbonyl compounds catalyzed by ag has been applied to the efficient synthesis of optically pure
-重氮羰基化合物在ag催化劑的作用下的wolff重排反應可以有效地合成光學純的Corrosion inhibitor series products manganese dioxide series products
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