脂族酸 的英文怎麼說
中文拼音 [zhīzúsuān]
脂族酸
英文
aliphatic acid-
The preparation, properties and application in powder coating of alicyclic epoxy resin and glycidyl ester of acrylic ( methy acrylic ) acid were discussed in this paper and some views and proposals to varieties development of ontdoor type ( weather resistance ) epoxy resin for powder coating were also presented
摘要介紹了用於耐候脂環族環氧樹脂、丙烯酸(甲基丙烯酸)縮水甘油酯樹脂的制備方法、性能及在粉末塗料上的應用。Structure and reactivity of aliphatic saturated hydrocarbon dicarboxylic acids
鏈型脂肪族飽和二元酸的結構與反應性的討論Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis
摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分,類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。Synthesis of fatty glutarates using heteropoly acid as catalyst
脂肪族戊二酸酯的合成研究A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物,並進行了化學結構和液晶性能的表徵。Aliphatic alcohol ehter alkyl capping series products have many particular properties, such as, low foam, strong lipophilicity, strong acid - base stability, good emulsification, low pour point, little viscosity change, chlorinated stability, heat resistivity and good property of anti - coking
脂肪族醇醚的烷基封端系列產品具有很多獨特的性質,如泡沫低、新油性強、酸堿穩定強、乳化能力好、流動點低、粘度變化小,氯化穩定性、耐熱性、抗結焦性能力好。Especially applying hinge - based dual - cylinder control system to hauling ensures that the pressure imposed to the products is even and uniform so as to guarantee more stable hauling performance. it is widely used in the fields of architecture, traffic, and furniture, especially, in the production of hard pvc, pe, pp, ps, abs irregular materials products used in windows and doors
本公司生產的高透光性高強度的聚碳酸脂管,亦稱pc管,廣泛用燈飾特別是豪華燈飾橋頭燈飾霓虹燈水族燈等,同時適用於離子交換柱液位器醫療器械高奪電絕緣配件實驗室儀器化工管道等等。The deduced amino acid sequence of rbcl and rbcs includes 13. 14 % acidic amino acid and 14. 51 % aliphatic amino acid, the hydrophobic amino acid is 42. 16 %
14的酸性氨基酸, 14 51脂肪族氨基酸,疏水性氨基酸的比例為42 16 。Phenyl group introducing to cholesteryl ester molecules can enhance the phase transition temperatures of the liquid crystals and their stability. an increase in the chain length for cholesteryl dicarboxylate samples reduced stability of liquid crystal phases. while coattail - like structures on the ester group of the molecules have an adverse effect to form cholesteryl liquid crystal phase
化學結構對液晶性的影響表現為:分子中引入苯環剛性結構可以提高液晶的相變溫度和穩定性;脂族二羧酸膽甾醇酯中脂肪鏈的長度增加會降低液晶的穩定性;而末端含有燕尾結構則對液晶態的形成產生不利影響。The synthesis and current application situations of efficient series of water - reducers, such as melamines, aliphatics, aminosul - phonic acids and polycarboxylates were introduced emphatically
並著重介紹三聚氰胺系、脂肪族、氨基磺酸系和聚羧酸系等幾類高效減水劑的合成及應用現狀。Test methods for acid value and amine value of fatty quaternary ammonium chlorides
脂族季銨氯化物中酸值和胺值的測試方法The synthesis of poly ( lactic acid ) is mainly described and so is that of polyesters from renewable natural resources
其中,對脂肪族聚酯聚乳酸的縮聚合成,以及可再生資源用於聚酯的合成進行了重點介紹。The best food source of omega 3 fats are from fish and flax seeds. a supplement of 600 mg of omega 3 from tuna fish oil will be able to meet with the daily needs
根據調查,愛斯基摩人患心腦血管疾病的病例較其它民族少,原因是愛斯基摩人的主食是魚類,魚類含有高度不飽和脂肪酸,如: dha 。Acrylic lacquers are a blend of resin from the acrylic family
丙烯酸漆是來自丙烯酸家族中的樹脂的混合物。分享友人