Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.以自制的硅胶固载硫酸镓为催化剂,正丁酸和...

Warm aromas of apple pie and butterscotch with bright tropical pineapple.苹果派,奶糖和热带菠萝的温暖气息扑面而来.Lifted stone fruit and guava aromas combine with butterscotch of malolactic.核果和番石榴的芳香,与奶油糖果的果酸交织融合.A bouquet of concentrated c...

Probability distributions are classified as either discrete or continuous.概率分布为离散型和连续型两种.Geographers study mobility to understand the spatial distributions of population types.地理学家研究住所迁移是为了了解不同类型的人口的地域分布情况.The pressure d...

异丁酰胺...

Arbutus wood red - brown , can be made of fine wood working equipment.杨梅树木质 红褐色, 可制作细工的木器用具.Did fruit arbutus eat to you can not catch a cold?水果杨梅吃了会不感冒 吗 ?Arbutus place: Pleasants street: pleasant old times.阿尔布图新小街: 普莱曾...

异丁...

butteries的音标：...

buttering的音标：buttering的英式发音音标为：['bʌtərɪŋ]buttering的美式发音音标为：['bʌtərɪŋ]...

distribute的现在进行时为：distributing...

Fish populations assume highly localized distributions within each river.鱼群分布集中在每条河的某些区域.Those candies will the average distributions among those six children.那些糖果要在那六个儿童中间平均分配.Probability distributions are classified as...

环丁酮...

v.扣住，系住( button的过去式和过去分词 )，扣…的钮扣，用钮扣扣上...

One edge of the garden abutted on an old entrance to the mine...花园的一侧紧靠着矿井的旧入口。One edge of the garden abutted on an old entrance to the mine.花园的一侧紧靠着矿井的旧入口。The sidewalk abutted on the river.人行道紧挨着河川.Their house abutted a...

n.钮扣孔( buttonhole的名词复数 )v.钮扣孔( buttonhole的第三人称单数 )...

n.脐...

"This", huffed Mr Buthelezi, "was discrimination."“这个，”布特莱齐先生气愤地说，“是歧视。”...

menbutone的音标：menbutone的英式发音音标为：['menbju:təʊn]menbutone的美式发音音标为：['menbjutoʊn]...

Old buses are major contributors to pollution in British cities.破旧的公交车是造成英国城市污染的主要因素。Older people are important contributors to the economy.老一辈人为发展经济作出了重要贡献。The core of regular contributors is essential to the magazine.有...

n.归属，归因，属性，归属物...

n.支流( tributary的名词复数 )，进贡国，附庸国，进贡者...

butanedinitrile的音标：butanedinitrile的英式发音音标为：[bju:teɪ'nedɪnaɪtraɪl]butanedinitrile的美式发音音标为：[bjuteɪ'nedɪnaɪtraɪl]...

The Monarch Butterfly breathes through its wings and female Monarchs have thicker wing veins.帝王蝶通过翅膀呼吸,雌性帝王蝶有更加厚实的翅膀脉络.Overall a monarch butterfly is no more or less striking than its host, the milkweed pod.大体上,帝王蝴蝶和其宿主奶...

布替林...

His contribution is immeasurable.他居功至伟。to make a contribution to charity给慈善事业捐款Her contribution to the research went largely unacknowledged.她对这项研究的贡献大都被忽略了。...

butyrylbenzene的音标：butyrylbenzene的英式发音音标为：[betɪrɪl'benzi:n]butyrylbenzene的美式发音音标为：[betɪrɪl'benzin]...

adj.不可分配的，不可散布的...

酪酸测定法...

n.蝴蝶，蝶泳，轻浮的人，游手好闲的人v.切开摊平...

butopamine的音标：butopamine的英式发音音标为：[bju:təʊ'pæmi:n]butopamine的美式发音音标为：[bjutoʊ'pæmin]...

isobutylene的音标：isobutylene的英式发音音标为：[aɪsəʊ'bju:tɪli:n]isobutylene的美式发音音标为：[ˌaɪsə'bjutəlɪn]...