查询词典 afford to
- 与 afford to 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Mr Ewbank says:"A butment BB slides backwards and forward in a stuffing box and is so arranged (by a cam or some other contrivance connected to the axle of the small cylinder on the outside of the case) that it can be pushed into the interior as in the figure, and at the proper time be drawn back to afford passage of the piston" Bramah and Dickenson adopted this configuration in 1790 as steam engine and also a pump.
ewbank先生说:&一butment BB心跳幻灯片向后和向前迈进一填料框和是这样安排的(由一个凸轮或其他一些contrivance连接到轴的小圆柱对外面的情况),它可以推进到由于在内部的数字,并在适当时机,订定回负担通过活塞& bramah和狄金森通过此配置在1790年作为蒸汽机,也是泵。
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But goe with speed, And what thy stores contain, bring forth and poure Abundance, fit to honour and receive [ 315 ] Our Heav'nly stranger; well we may afford Our givers thir own gifts, and large bestow From large bestowd, where Nature multiplies Her fertil growth, and by disburd'ning grows More fruitful, which instructs us not to spare.
快去拿出你所贮藏的东西来,用最好的果品,丰盛地款待这位从天上来的贵宾。拿礼物回赠送礼物的人,要从众多的礼品中,多拿一些来,这儿的'自然'肥沃,万物繁生,愈是采摘,愈是果实累累;那就是教导我们不必过分节俭。
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Four new salicylaldehyde derivatives with a glucose or mannose moiety were synthesized with 2-tert-butylphenol or 4-tert-butylphenol as the starting material, followed by the formylation, chloromethylation, nucleophilic substitution reaction with the desired carbohydrate. The salicylaldehyde derivatives condensed with ethylenediamine to give the Schiff bases, which coordinated with Mn to afford four novel sugar-based Salen Mn complexes.
首先,分别以2-叔丁基苯酚和4-叔丁基苯酚为起始原料,经过甲酰化反应、氯甲基化反应、和糖类衍生物的亲核取代反应制得了四种新型并入葡萄糖基或甘露糖基的水杨醛衍生物,将它们与乙二胺缩合生成希夫碱配体,得到的配体与过渡金属Mn~(3+)配位制备出四种新型含糖基的Salen Mn配合物。
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Real. Getting such a fine doll was like a miracle for a little farm girllike me -- my parents must have had to sacrifice so much to afford it. Buthow happy I was that morning!"Christmas of long ago."
对我这样一个农家小女孩来说,得到这么一个精工细作的娃娃就像是奇迹——我父母亲为了买它,一定做出了很大的牺牲。
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This is the law of the Nazirite who vows his offering to the LORD in accordance with his separation, in addition to whatever else he can afford.
6:21 许愿的拿细耳人为离俗所献的供物、和他以外所能得的献给耶和华、就有这条例。
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Nese is still not high enough to be able to afford the many different sorts of expensed during long distance travels.
此外,中国人民的生活水平还没有高到足以使普通中国人有钱支付长途旅行的各种开支。
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Cycloserine was produced using L-serine methyl ester hydrochloride as raw material. L-serine methyl ester hydrochloride was chloridized with phosphorus pentachloride to afford 2-amino-3-chloride propanic acid methyl ester hydrochloride, which was cyclized with hydroxylamine in the presence of alkali to give cycloserine.
以L-丝氨酸甲酯盐酸盐为原料制备了环丝氨酸。L-丝氨酸甲酯盐酸盐和五氯化磷在氯仿溶剂中进行氯代反应生成2-氨基-3-氯丙氨酸甲酯盐酸盐,后者和羟胺在碱性溶液中发生环合反应得到环丝氨酸。
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The 7-bromo group was replaced with various aniline, and then treated with 4-methoxybenzenesulfonyl chloride to afford the 6-azaindole-1-sulfonamides.The synthesis of 7-aryl-6- azaindole-1- sulfonamide derivatives were prepared by a Suzuki reaction at 7-position, utilizing the 7-bromo-6-azaindole was treated with a variety of phenylboric acid to give the designed 7-aryl substituted 6-azaindoles.
将七号位碳上的溴基取代成各种苯胺类衍生物,再与4-甲氧基-磺基氯苯反应得到6-氮基吲哚-1-磺胺。7-苯基-6-氮基吲哚-1-磺胺类衍生物的合成是以7-溴基-6氮基吲哚-1-磺胺为起始物和各种苯硼酸经由铃木偶合反应在第七号位碳上,得到在第七号位碳上有苯基取代的6-氮基吲哚-1-磺胺。
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Promoted by metal dysprosium, aldehydes and ketones could react smoothly with propargyl bromide to afford the corresponding homopropargylic alcohol s in good to excellent yields, and no allenic alcohols were found.
在金属镝的促进下,醛、酮可与炔丙基溴反应,高选择性高产率地得到相应的高炔丙醇,没有发现连二烯醇的存在。
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Promoted by metal dysprosium, aldehydes and ketones could react smoothly with propargyl bromide to afford the corresponding homopropargylic alcohols in good to excellent yields, and no allenic alcohol s were found.
当用苯基炔丙基溴代替炔丙基溴与醛、酮反应时,主要得到了相应的连二烯醇,而没有发现高快丙醇的存在,由此提出了六元环过渡态的反应机理
- 推荐网络例句
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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.
。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。
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Go down on one's knees;kneel down
屈膝跪下。。。下跪祈祷
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Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。