乙酸的
- 与 乙酸的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The heat capacity Cp of EDTA solution used as activator in the Buna- S manufac-ture was measured by using a precision automated adiabatic calorimeter in the temperaturerange of 278K to 324K as fundamental data for the construction of large compositive appara-tus.
丁苯橡胶合成用活化剂乙二胺四乙酸盐溶液比热容的测定赵小明,刘志刚,陈钟颀(西安交通大学热工教研室西安710049)关键词EDTA溶液,比热容,绝热量热法比热容是物质重要参数,与物质结构密切相关。
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A method used to simutaniously analyze the residues of herbicides (4-chloro-2-methylphenoxy) acetic acid, 2-(4-chloro-2-methylphenoxy) propanoic acid and 4-(4-chloro-2- methylphenoxy) butanoic acid in garlic was developed.
建立了基质固相分散-高效液相色谱法同时测定大蒜中2-甲基-4-氯-苯氧乙酸、2-甲基4-氯-苯氧丙酸、2-甲基-4-氯-苯氧丁酸3种苯氧羧酸类除草剂残留的方法。
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Hexen-1-ol; Hexanal, Hexyl acetate,-Butanoic acid, 2-hexenyl ester, 3-t-Butyl-oct-6-en-1-ol were the characteristic aroma components of sweet cherry fruit.
2-己烯-1-醇、己醛、乙酸己酯、-丁酸-2-己烯酯、3-异丁基-6-烯-1-辛醇是'红宝石'大樱桃成熟果实的特征香气成分。
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Hexen-1-ol, Hexanal, Hexyl acetate, Butanoic acid, 2-hexenyl ester,, 3-t-Butyl-oct-6-en-1-ol were the characteristic aroma components of'Brookes'sweet cherry fruit.
2-己烯-1-醇、己醛、乙酸己酯、-丁酸-2-己烯酯、3-异丁基-6-烯-1-辛醇是不鲁克斯甜樱桃成熟果实的特征香气成分。
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Cyclophos phamide confecting dilution solvent to make full use of solvent-methylbenzenesulfonic class, aminomethylbenzoic: acetic acid: butanone = 2: 5: 3 of the mixed solvent
配制不浓缩溶剂时只管即便多用甲苯类溶剂,可以采取甲苯:乙酸:丁酮=2:5:3的纯合溶剂
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To establish the determination of butyl acetate in the air of workplace by thermal desorption gas chromatographic method.
目的 建立工作场所空气中乙酸丁酯的热解吸气相色谱测定方法。
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Steam distillation essential oil principal constituent is bornyl acetate, borneol,2,3-dimethyl-bicyclo , hept-2-ene,caryophyllene,camphene,d-d-cadinene,?
水蒸气蒸馏所得的冷杉精油主要成分为:乙酸龙脑酯,龙脑,2,3-二甲基-双环[2.2.1]-庚-2-烯,石竹烯,莰烯,杜松烯,?
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The yield of rosemary oil was 2%-3%. The constituent analysis of rosemary oil showed that the essential oil mainly contains α-pindne, 1, 8-cineole, camphene, camphor, verbenone, borneol, terpinen-4-ol, limonene, and bornyl acetate.
迷迭香精油的得率在2%~3%,主要含有α-蒎烯、1, 8-桉叶素、莰烯、樟脑、马鞭草烯酮、龙脑、4-松油醇、苎烯和乙酸龙脑酸等成分。
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Compareing with essential oil of the steam distillation method and the bensine solvent extraction method through GC-MS analysis .The result showed that:the essential oil principal constituent extracted by benzine is camphene,a-pinene,bornyl acetate, limonene, 1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene, myrcene, caryophyllene, borneol.
对巴山冷杉针叶水蒸气蒸馏和石油醚萃取所得精油的GC-MS 分析对比研究结果表明:石油醚萃取精油主要成分为:莰烯,a-蒎烯,乙酸龙脑酯,柠檬烯,1-甲基-4-异丙基-1,4-环己二烯,月桂烯,石竹烯,龙脑。
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Put 3g chitosan into 50mL 1% CH3COOH solution, after dissolved completely, added 9mL H2O2 into this solution and the reaction took place at temperature of 80℃ for 3 hours. Filtrated the hydrolysate and then concentrated liquid to 20mL, neutralized liquid with 1% NaOH, added 200mL ethanol to extract hydrolyte, 3000r/min eccentricity, and then we could got all water-soluble canary yellow chitosan by vacuum-freeze drying.
称取3g壳聚糖,于50mL1%冰乙酸溶液中充分溶解,加入9mL过氧化氢,在80℃条件下水浴反应3h,水解液抽滤,滤液在60℃浓缩至20mL左右,1%NaOH中和后,加入体积比为10:1左右的无水乙醇,沉淀水溶性壳聚糖,3000r/min离心,将糖液真空冷冻干燥后可得淡黄色完全水溶性壳聚糖。
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。