甲酸精 的英文怎麼說
中文拼音 [jiǎsuānjīng]
甲酸精
英文
formin-
Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料,經過堿化、醚化、洗滌、乾燥,制得羧甲基纖維素鈉。New techniques of refining high purity methyl acetate
高純度醋酸甲酯精製新工藝In this paper, we reported the synthesis of three supramolecular complexes between - cyclodextrin and anisole, ethyl benzoate, m - cresol, respectively, which are identified by means of 1hnmr technique
摘要以-環糊精與苯甲酸乙酯、苯甲醚和間甲酚在水相中通過范德華力發生包合反應形成了主客體超分子絡合物,並用核磁共振氫譜對絡合物進行了表徵。Foodstuffs - determination of acesulfame - k, aspartame and saccharin - high performance liquid chromatographic method
食品.醋氨基磺酸鹽k糖精和鄰磺酰苯甲酰亞胺的測定.高效液相色譜分析法Separation of dimethyl carbonate from its azeotrope with methanol using trichloroethylene
三氯乙烯恆沸精餾分離甲醇與碳酸二甲酯共沸物Owning to our rich resources and abundant experience, we have become a large - scale enterprise group which specialized in manufacturing and marketing specialty chemicals, flavors, fatty acids, mainly products are allantoin, caproic acid, heptanoic acid, 2 - methyl butyric acid, climbazole, iso amyl alcohol, vitamin e series, etc
集團是以生產精細化工產品和香料脂肪酸為主導,主要有尿囊素己酸庚酸二甲基丁酸甘寶素熊果苷異戊醇維生素e系列等,主導產品的產量質量技術含量都居國內同行業前列,有的達到國際先進水平。Purified terephthalic acid ( pta ), produced mainly by the method of air oxidation of xylene, is a raw material for the polyester industry
精對苯二甲酸是聚酯工業的原料,主要採用對二甲苯空氣氧化法生產。The effects of the method repeatability, sample mass, standard titrate solution and enviroment temperature on the uncertainty of pta acid value determined with titrimetry were assessed and discussed
摘要對滴定法測定精對苯二甲酸酸值的過程中的方法重復性、樣品質量、標準滴定溶液、環境溫度等方面對不確定度影響進行了評定討論。2. in order to deeply probe into the influence of crosslinked degree on er properties and expediently characterize the structure of the supramolecular complex, six hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid er particles were synthesized. fluorescence analysis conformed that all the polymers can form 1 : 1 type supramolecular complex with the guest
為了進一步考察交聯度對電流變效應的影響,並便於超分子配合物顆粒的結構表徵,制備了6種不同交聯度的水溶性-環糊精聚合物,以3 -羥基- 2 -萘甲酸為熒光探針探討了不同交聯度超分子配合物的組成、穩定性及熒光性質。Based on this point, our aim to obtain the high performance materials should be carried out as well as the er behavior be actualized through the chemistry design. in this paper, 4 supramolecular complexes of - cyclodextrin inhydrosoluble polymer / l - ( 2 - pyridlazo ) - 2 - naphthol, 6 hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid, 2 - cyclodextrin - starch resins and 6 supramolecular complexes of - cyclodextrin - starch copolymer / substituted salisylic acid and 3 - hydroxy - 2 - naphthoic acid er particles were prepared, respectively. the structure of these particles was characterized by ir, nmr, uv - vis, the fluorescence analysis, element analysis, and etc, respectively
在本項研究中,分別制備了4種不溶性-環糊精聚合物及其與1 - ( 2 -吡啶偶氮) - 2 -萘酚構築的超分子配合物、 6種水溶性-環糊精聚合物及其與3 -羥基- 2 -萘甲酸的超分子配合物、 2種-環糊精澱粉樹脂及6種-環糊精澱粉共聚物與取代水楊酸、 3 -羥基- 2 -萘甲酸形成的超分子配合物顆粒,通過紅外光譜、熒光分析、元素分析、電子吸收光譜及核磁共振譜等對它們的結構進行了表徵。The vasomotion was induced by noradrenaline na in vivo, then the changes of vasomotion after injecting si and ngmonomethyllarginine lnmma, a no synthase inhibitor were measured respectively on a tv monitor using a tv camera mounted on the microscope, and the influence of lnmma on effect of si was also observed
在活體情況下運用去甲腎上腺素noradrenaline , na血管運動誘導法誘導出血管運動,分別觀察靜脈注射g單甲基精氨酸gmonomethyllarginine , lnmma si后血管運動的變化及應用一氧化氮合酶抑制劑lnmma對si作用的影響,攝錄結果於監視器上用暫停功能測量。In nov. 2004, a state - of - art l - methionine production facility with 350 tons capacity per annum was launched
2003年,新的注射級氨基酸精製生產車間建成並投入運行; 2004年11月,世界領先的年產350噸的甲硫氨酸生產車間建成並投入運行。Simultaneous determination of trace elements in quartz sand by icp - aes
法同時測定精對苯二甲酸中微量金屬元素Application of least squares support vector machine within evidence framework in pta process
基於證據框架的最小二乘支持向量機在精對苯二甲酸生產中的應用Abstract : an imidazole - catalyzed acylation method of phthalic anhydride is applied to the determination of hydroxyl values of reinforcing agent is211. the analytical error is 5. 0 10 - 3. the relative standard deviation of the method is less than 0. 04 and its coefficient of variation is not more than 5. 0 10 - 3. hydroxyl values determined in different batch samples meet the design requirement completely. this method is rapid and simple, it is adaptable to conventional analysis
文摘:以咪唑催化鄰苯二甲酸酐酰化的方法測定增強劑is211的羥值,準確度高,分析誤差為5 . 0 10 - 3 ;方法精密度好,標準偏差小於0 . 4 ,變異系數不大於5 . 0 10 - 3 ,測定不同批號試樣的羥值完全符合商標值,方法快速、簡便,適用於常規分析。The company is qingdao production of chemical food additives backbone enterprises, the main products rusuanna, rusuangai, c name, c injection, acid sodium, huposuan salts, companies with advanced production equipment and production management system, superb craftsmanship, is a collection branch, engineering, integration of trade in the private joint - stock enterprises
本公司是青島市生產食品添加劑的化工骨幹企業,主要產品有乳酸鈉、乳酸鈣、丙酸鈉、丙酸鈣、苯甲酸鈉、琥珀酸二鈉等,公司擁有先進的生產設備和生產經營管理體系,工藝精湛,是一家集科、工、貿於一體的民營股份制企業。The yield stress of them was 3. 38 - 5. 98 kpa at 3 kv / mm and 47. 6 % higher than that of pure - cyclodextrin polymers. meanwhile, the cross - linked degree of the polymer has strong influence on the supramolecular complex er behavior. the results indicated that the suitable range of cross - linked degree was 6 - 8
實驗結果表明,交聯度對水溶性-環糊精聚合物3 -羥基- 2 -萘甲酸超分子配合物的電流變效應具有較大影響,其合適的交聯度范圍為6 8 ,並由材料的介電性能測試得到了證實。Amp and adp were not significantly changed throughout the experiments, pa tended to decreased with the increases of concentrations of pollutants, nitrite - na and sodium polyphosphate could decrease atp, while methyl parathion showed a disordered atp change. aec, atp / adp and total adenylate content solely could be poor health condition markers. pa and atp are proposed as direct health condition markers of an organism to environmental stress
整個實驗中未發現腺苷一磷酸( amp )和腺苷二磷酸( adp )有顯著變化,磷酸精氨酸隨著化合物濃度升高呈下降趨勢,亞硝酸鈉和多聚磷酸鈉能引起腺苷三磷酸( atp )下降,而甲基對硫磷中atp變化混亂。Estimation of effectiveness factor on a pd c catalyst
對苯二甲酸精製鈀碳催化劑內擴散有效因子的估算Non - profit us organisation serving as a liaison between industry, federal and state governments, and international agencies on health - related issues involving styrene. includes faq and data on economics, health, and environment
- iso9001質量認證,生產銷售苯甲酸苯二甲酸苯甲酸甲酯間苯二甲酸二甲酯苯甲酰氯苯甲酸異丁酯等系列精細化工品,包括公司簡介產品介紹化工e圈等等分享友人