縮溶劑 的英文怎麼說
中文拼音 [suōróngjì]
縮溶劑
英文
milling agent-
According to the frequently used methods of extraction and isolation of natural products from organic body, the freeze - dried ascidian tunica was exhaustively extracted with 100 % chloroform then the combined extracts were filtered and the solvent was separately concentrated under vacuum to yield a dark - brown gum
按照目前比較常用的天然產物的提取分離辦法,將樣品冷凍乾燥后,用100氯仿浸泡,收集氯仿濾液,減壓蒸餾濃縮去除浸提溶劑,得到黑褐色的浸膏狀物質。The device serves for distillation of vegetable herbal medicine 、 chinese traditional medicine 、 animal 、 additive, etc. with water 、 ethanol 、 carbinol and act and recycle and concentration of organic solvent
本設備適用於植物草藥、中藥材、動物藥食品添加劑等。採用水、乙醇、甲醇、丙酮等的提取和有機溶劑的回收與濃縮。In practice, beer ' s law is accurate enough for a range of chromophores, solvents and concentrations, and is a widely used relationship in quantitative spectroscopy
事實上,比爾定律對一系列發色團、溶劑和濃縮物品而言都是非常精確的定律,在定量光譜學中被廣泛運用。Results : the optimum extraction process was as follows, adding 8 times of 50 % alcohol into coptis meal, refluxing and extracting for 2 times, one hour every time
結果:最優提取工藝為中等粒度的醋延胡索, 50 %的乙醇, 8倍溶劑量,提取2次,高溫減壓濃縮。Standard practice for separation and concentration of ignitable liquid residues from fire debris samples by solvent extraction
用溶劑萃取法分離和濃縮從火燒瓦礫樣品中獲取的可燃液體殘渣的標準實施規程A facile method for the preparation of 10 - arylmethylene anthrone is reported. when anthrone react with aryl aldehyde in the presence of pyridine by using xylene as the solvent, besides 10 - arylmethylene anthrone derivatives we found other oxygenated anthrone which have not been reported. physical methods shows that the oxygenated anthrone is anthraquinone, and the anthraquinone cannot be removed from the condensed products by recrystallization with solvents. an effective method of getting ride of anthraquinone is sublimation by heating
以蒽酮和芳香醛為原料,二甲苯為溶劑,吡啶催化法制取10 -芳香基甲叉基蒽酮.發現其生成物中除含有目標化合物10 -芳香基甲叉基蒽酮外,還含有部分文獻中沒有報道的蒽酮氧化物,經物理方法確定其為蒽醌.該化合物不能用溶劑重結晶的方法將其從縮合產物中除去,有效的分離方法是升華The subsidiary company, yongan fuhuaxian articles supply factory, can produce 191 serial unsaturated polyester resin which is a clear and heavy - bodied liquid. it is made by the method of the solvation of linear unsaturated polyester resin, which is condensated and polymerized after the esterification of biatomic acid and diatomic alcohol, into phenylethylene solvent, which is a crosslinking active monomer
所屬子公司永安市福化纖用品廠生產的191系列不飽和聚脂樹脂,系由二元酸酐和二元醇及其縮合物經酯化反應,縮聚成線性不飽和聚酯樹脂,然後經具有交聯作用的活性單體溶劑苯乙烯所溶解而配製成的透明粘稠液體。Using water - soluble carbodiimide as condensation agent, biomacromolecules such as gelatin, collagen and chitosan were covalently grafted on the plla - g - pmaa membranes. solution of the biomacromolecules was further coated on the above membranes to increase the surface density of the biomacromolecules. this technology was designated " grafting and coating " method
為了將生物大分子化學接枝于plla膜表面,首先在plla膜表面接枝pmaa ,將羧基引入plla表面,利用水溶性碳化二亞胺edac作為縮合劑,與含有氨基的生物大分子反應,可將生物大分子如明膠、膠原和殼聚糖化學接枝在plla膜表面。We sell banner, flex face materials for solvent based digital printing. so there are no holes in that material
我們出售用於溶劑數碼印刷的橫幅,伸縮表面材料。所以材料上沒有孔The condensation of aromatic aldehyde with active methylene compounds in water
水溶劑中羰基與活性亞甲基化合物的縮合反應For example, when the gaas substrate is etched by h2so4 - h2o2, h2o2 is adopted to oxidate the substrate first, then the substrate was etched by means of laser wet etching in h2so4 solvent. theoretical analysis and experimental results show that compared with the mixed - solvent - etching, more smooth etched surface can be obtained by this method ; and because the substrate is preprocessed, time of laser induced wet - chemical etching
理論分析和實驗結果都表明,次序選擇腐蝕法可以有效地提高腐蝕表面的均勻性;因先對基片進行化學腐蝕處理,大大縮短了激光化學腐蝕的時間;使溶劑先後分別作用於基片,可以提高激光化學腐蝕溶劑配比的精度容差,使激光化學腐蝕控制和分析更加簡單。Compressed air for general use - test methods for oil vapour and organic solvent content
一般用圖的壓縮空氣.油汽和有機溶劑含量的試驗方法It is found that changing of catalyst and solvent will influence the relatively reaction velocity of hydrolysis and polycondensation and therefore change the pore structure of resulted silica gel glass matrix. as the result, the ideal prescription for silica gel glass matrix is proposed
確證通過調整催化劑和溶劑的種類及控制乾燥化學試劑的添加,可以改變水解和縮聚反應的相對速率,有效實現對硅氧凝膠玻璃基質孔結構的裁剪與設浙江大學博士學位論文計。It has developed products such as the solvent - dilution type anti - corrosion oil, n - 260 ethylene ultra - high pressure compressor - purpose oil, chemical fiber finish, alkane - purpose chemical reagent, petroleum sulfonate and metal machining - purpose oil are widely used in many fields, such as national defense, electronics, information industry, textiles, chemicals and machine building. they successively won state - level, provincial - level and municipal - level science and technology achievement prizes and excellent new product prizes
研製開發的溶劑稀釋型防銹油、 n260乙烯超高壓壓縮機油、化纖油、烷烴化學試劑、石油磺酸鹽、金屬加工用油等一大批產品,被廣泛應用於國防、電子、信息、紡織、化工、機械等行業,先後獲國家、省、市科技成果獎和優秀新產品獎。The paper introduces a new highly - effective synthesis method. decoquinate was synthesized with catechol as starting materials via substitution, reduction, and at last cyclization with " dowtherm a " as solvent
摘要以鄰苯二酚為原料,通過一系列取代反應,再經過還原、縮合,最後在高沸點的混合有機溶劑中關環。制備的3 -喹啉羧酸乙酯衍生物的總收率為24 . 2 % 。Stationary source emissions - determination of the mass concentration of total gaseous organic carbon at high concentrations in flue gases from solvent using processes - continuous flame ionisation detector method
固定源輻射.使用連續火焰離子化檢測器法測定在高濃縮時由溶劑產生的廢氣中總氣態有機碳的質量濃度Compressed air - part 5 : test method for oil vapour and organic solvent content
壓縮空氣.第5部分:油蒸汽和有機溶劑含量的測試方法The pretreatment of food samples for determination of organochlorine pesticides residues were described in this article, including several new technology which development during recent years, for example : supercritical fluid extraction, accelerated solvent extraction and solid - phase microextraction, these methods have reduced the time and solvent needed for sample extraction
摘要綜述了近十年來國內外對于食品中有機氯類農藥分析的前處理技術,其中包括了近幾年出現的一些新技術,如:超臨界流體萃取、加速溶劑萃取和固相微萃取等,這些新技術不但縮短了樣品的前處理時間並且減少了有機溶劑的用量。At present extensive use clean method is ultraviolet ( uv ) light clean, on one hand it can avoid pollution because of use organic solvent, meanwhile can abbreviate clean process
目前國外廣泛使用的清洗方法是紫外( uv )光清洗,它一方面能避免由於使用有機溶劑造成的污染,同時能夠將清洗過程縮短。The traditional synthetic method of 2, 5 - dithiol - benzene - 1, 4 - diamine dihydrochloride ( dtbda ) is characterized by a louger time of reaction, heigher consumption on chemicals and lower yield. but by changing the solvent for synthesis, the reaction time is shortened and the consumption on chemicals is lowered
通過改變合成的溶劑對已報道的合成二巰基苯二胺二鹽酸鹽方法進行改進,克服了需經很長周期、耗用大量的反應試劑和重結晶溶劑、產率較低的缺點.改進的方法縮短了產物制備時間,減少了原料的成本消耗,效果明顯分享友人