研究了聚氯乙烯 - 吡啶树脂催化乙酰苯胺的N - 烃基化作用,反应条件温和,产品收率令人满意.This paper studied the catalytic N - alkylation of acetanilide with polyvinyl chloride - pyridine resin.方法以3-甲氧基苯硫酚和对甲氧基 - 苯乙酮为原料经溴化、烃基化、环合重排排制得目标产物.Methods: The target comp...

Changes in the retinal arteries reflect the severity of systemic hypertensive disease.视网膜动脉的变化是全身高血压病严重性的反映.Objective To evaluate the the portal hypertensive gastropathy and the existence of spontaneous splenorenal shunt...

什么也不能减损这景色的美.Nothing took from the scene's beauty.有证据表明，我们的触觉会随着年龄的增长而减损。The evidence suggests that our sense of touch is programmed to diminish with age.各当事人不得减损本条或改变其效力.The parties may not derogate from or vary th...

他声称他讲的话未被如实报道。He claimed his remarks had been reported inaccurately.我对于你所讲的话一点儿也不懂.I haven't the faintest notion what you're talking about.他由于我讲的话而生我的气.He got angry with me because of my remark....

The pain destroyed their soul and froze their mind in insentient panic.痛苦毁灭了他们的灵魂，把他们的思维冰冻在无知觉的恐惧之中。...

她见到了里恰尔迪夫妇，他们对她非常友好。She met Mr and Mrs Ricciardi, who were very nice to her.同越南恢复友好关系的迹象越来越明显了。There have been growing signs of a ra-pprochement with Vietnam.发言人说信函的语气非常友好。The spokesman said the tone of the letter was ve...

植物染料加入助剂后可用于印染棉织物.Cotton can be dyed after pre mordanting with addition agent.牛浸布是一种颇为柔软,多孔的棉织物.Oxford is a rather soft and porous cotton fabric.采购产品成品皮革, 织物, 丝绸, 真丝织物, 棉织物, 羊毛织物.Finished Leather, Fabrics, Silk, Silk Fab...

水蒸汽触及冷的表面即凝结成水.Steam is condensed to water when it touches a cold surface.在这座古老的热水锅炉产生的水蒸汽中隐隐约约可以看到那个男仆的影子.The butler was almost invisible in the stream of an antiquated geyser.热空气要较冷空气容纳更多的水蒸汽.Warm air can contain more ...

It's an uphill battle but I think we're going to win.虽然这是一场艰苦的斗争，但我相信我们会取得胜利。In a naval battle your aim is to sink the enemy's ship.在海战中目标就是击沉敌船。The battle of the sexes also took a new twist.两性之争也出现了新的变数。...

约翰·梅杰和爱丁堡公爵走在送葬队伍前面。John Major and the Duke of Edinburgh led the mourners.公爵对别人把他看作钱包鼓鼓、游手好闲的人感到气愤。The Duke resents being seen as a moneyed idler.公爵为海伦女士和她的成就感到自豪，这很容易理解。The duke is understandably proud of Lady Helen and...

He was bamboozled by con men.他被骗子骗了。He bamboozled Mercer into defeat...他骗得默瑟认了输。He bamboozled his professors into thinking that he knew the subject well.他欺骗了他的教授，使教授认为他很了解这门学科。He bamboozled the old lady out of her diamon...

A brief review of chloroplast structure is useful before discussing these experiments.在讨论这些试验以前,对叶绿体结构作一简短的概述是有益的.The chloroplast envelope has the light yellow color of violaxanthin.叶绿体的套膜有紫黄质的淡黄色.Chloroplast ribosomes c...

We disturbed a wild boar that had been foraging by the roadside.我们惊动了一只一直在路边觅食的野猪。He was disturbed by the inaccuracy of the answers.很多答案都不准确，为此他感到很烦恼。She'd been working in her room till a noise had disturbed her.她一直...

将近百分之三十的小麦收成受到损害.Nearly 30 percent, of the wheat crop was damaged.百分之三十的农田已种上油料作物.Thirty percent of the farmland has been planted to oil crops.摘要据报告约有 百分之三 十的头皮深部烧烫伤会伤及颅骨.Skull involvement has been reported in 30 ? of de...

The brasses need to be cleaned.这些黄铜器要擦一擦.There are the usual strings, woodwinds, brasses and percussions of western orchestra.有西洋管弦乐队常见的弦乐器, 木管和铜管乐器, 还有打击乐器.She set the brasses jingling as she raised herself briskly, an ...

Never squeeze blackheads, spots or pimples.千万不要挤黑头、小肿块或粉刺。It gave me goose pimples just to think about it.只是想到它我就起鸡皮疙瘩。His face has now broken out in pimples.他脸上突然起了丘疹....

Kelly eased off his pace as they reached the elevator.当他们走到电梯前时，凯利放慢了步子。Jimmy Lin and his model girlfriend Kelly Chen got engaged last year.林志颖和他的模特女友陈若仪去年订婚了。Spider Kelly taught them to box like featherweights.斯拜德·凯利教他们...

Let's think big , ie plan ambitiously.我们要立大志展宏图.She pursued her goals ambitiously.她雄心勃勃地为自己的目标而努力.This year, a lot of new face enter notebook computer market, want ambitiously to occupy position.今年, 有许多新面孔进入笔记本电脑市场,...

At about 4.30 p.m. Audrey arrived at the office.大约下午4点30分，奥德丽到了办公室。Audrey hung her head when I shouted at her.我对奥德丽嚷嚷时她低下了头.I'll show you the shower, Audrey.我指给你看,淋浴室在哪儿, 奥德丽....

而当我追赶它们的时候,好不容易拣到的麦穗,还会从篮子里重新掉进地里.Sometimes even the stalks in my basket tumbled out as I chased after butterflies....

It is a part of Britain as yet largely unaccustomed to tourists.英国的这一块地方还很不为游客所熟悉。Nothing is known as yet about what transpired at the meeting.会上到底发生了什么现在还没人知道。Dorset is as yet unspoilt by coachloads of tourists.多塞特还未遭到大...

电机出故障了.There is something wrong with the motor.转盘由一根传动带与电机相连。The turning disc is connected by a drive belt to an electric motor.离心机不通过调速箱直接与电机驱动装置相连.Centrifugal machines are connected to the motor drive directly instead ...

He was praised for his meritorious service.他由于出色地工作而受到称赞.meritorious deeds功绩I had been promoted for what was called gallant and meritorious service.我之所以得到提拔是由于立下了所谓的英勇卓越的功勋。He wrote a meritorious theme about his visit to...

Main ingredients: Natural olive essence, hamamelis, hyaluronic acid and etc.主要成份: 天然橄榄精华 、 金缕梅 、 透明质酸等.Ingredient: DNA Fluid, Lavender, Hamamelis, Elastic Element, Micro - collagen Protein, Hair Follicle Mollify.主要成份: DN...

The earth will in time vaporize with its material and disperse.到那时,地球将与它上面的物体一起汽化而弥散.The wavelet transformation by Gabor wavelet is applied to the time - frequency analysis of disperse plate waves.基于小波变换和模态声发射理论,通过模态声发射试...

Experimenters have succeeded in controlling the rate and regularity of the heartbeat.实验者已经成功控制了心跳的速度和频率。This is an ineffective method of controlling your dog.用这种方法控制你的狗不起作用。They believed that controlling the money supply...

Side effects included the brief occurrence of irritant contact dermatitis and folliculitis during therapy.在治疗期间,会短暂发生的副作用包括皮炎和毛囊炎.The medicine has andand may be also used in treating piles, eczema, impetigo, folliculitis...

介绍了生态功能分区的制图原则、方法及成果.Technical route for ecological function zone mapping in Liaoning province was demonstrated.也有人把这叫做分区的开始扇区.Also referred to as the starting sector the partition.在这里你可以控制版面和分区的排列.Here you will control ...

少女们因为嫉妒而有时变得很不高兴.Young girls sometimes become sulky because they are jealous.花儿移栽往往并不成功,少女们换了环境也是如此.Transplantation is not always successful in the matter of flowers or maidens.少女们看到他都四处奔逃.The virgins at sight of him fle...

马特软弱无能且依赖性强，但我们照样爱他。Matt is weak and dependent, but you love him all the same.我要克服所有的软弱、绝望和恐惧。I would overcome any weakness, any despair, any fear.这让我觉得自己软弱无能，蒙人恩惠。It made me feel patronised, in a position of weakness....