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What arrived, however, were small pads of meat wrapped incrisp bacon, and little potatoes with their skins on, which had been rolled in hot butter and crisped in thepan.

可上来的却是脆熏猪肉包着的小肉块和拌着热黄油在里炸脆的带皮小马铃薯,还有微甜的胡萝卜条。

METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization,hydolysis.

方法原甲酸三乙酯与氰乙酸乙酯缩合,然后和羟乙基肼经环合、水解等一法合成5-氨基吡唑-4-甲酸,然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。

Ketoheptamethylenimine was prepared by one-pot reaction of cycloheptanone with concentrated sulfuric acid. In this step, oximation and rearrangement occurred .

制备庚内酰胺时,我们采用了&一反应&的方法,环庚酮、浓硫酸和硫酸羟胺混合在一起,经过肟化、重排一次得到庚内酰胺。

Synthesis of Antidote of N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane BI Hong-mei, ZHANG Jin-yan, LIANG Ying, SHEN Yong (College of Arts and Sciences Heilongjiang August First Reclamation University, Daqing 163319, Heilongjiang, China) Abstract: N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane was synthesized by one pot method with isopropanolamine, cyclopentanone and dichloroacetyl chloride. The optimum reaction conditions obtained are as follows:the proportion in moles of the above materials is 1∶1∶1.2, reaction solvent is toluene, reaction temperature is -15 to -10 ℃,reaction time is 3 h, under the optimum condition, the yield of the compound is 50.0%.

除草剂解毒剂N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷的合成毕洪梅,张金艳,梁英,沈勇(黑龙江八一农垦大学文理学院,黑龙江大庆 163319)摘要:以33%的氢氧化钠水溶液为缚酸剂,异丙醇胺、环戊酮和二氯乙酰氯为原料,采用&一法&合成了N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷,采用正交实验法得到最佳反应条件:反应原料摩尔比为1∶1∶1.2,苯作溶剂,反应的温度为-15 ℃~-10 ℃,搅拌时间为3 h,产率达到50.0%。

Cook the sugar until golden brow, deglaze with red wine vinegar add the duck demi glaze, soya sauce and little lemon juice, check the seasoning; keep aside until further use.

将糖在中烧成金黄色,倒入红酒醋,然后加入烧,酱油与柠檬汁,烧开后调味,搁在一旁待用。

Currently, most breweries grinded barley and corn together for dextrinization at 100 ℃ and then for saccharification. However, our experiments proved that it was unnecessary to dextrinize at 100 ℃ and saccharification could be operated directly without any additional enzyme.

但目前多数工厂是把大麦与玉米一同粉碎进入糊化100 ℃糊化,之后再进行糖化,本实验主要研究了大麦的糖化工艺,认为不需要进行100 ℃糊化,可以直接进行糖化,并且不需要外加酶。

Currently, most breweries grinded barley and corn together for dextrinization at 100℃ and then for sacchaxification. However, our experiments proved that it was unnecessary to dextrinize at 100℃ and sacchaxification could be operated directly without any additional enzyme.

但目前多数工厂是把大麦与玉米一同粉碎进入糊化100℃糊化,之后再进行糖化,本实验主要研究了大麦的糖化工艺,认为不需要进行100℃糊化,可以直接进行糖化,并且不需要外加酶。

The chapter two was focused on the samarium diiodide promoted organic reactions and their applications in organic synthesis, firstly, a new synthesis of highly substituted cyclopentadienes from a,β-alkynone promoted by samarium diiodide was investigated and the highly substituted cyclopentadienes were prepared in moderate to good yields under mild conditions. Secondly, the Michael addition and Michael-aldol tandem reaction of diorganyl diselenides or diorganyl disulfides with α,β-alkynones mediated by samarium diiodide were studied and a series of alkenylsulfides and alkenylselenides were prepared in good yields. Then the highly regioselecfive nucleophilic addition of the allylsamarium bromide to α,β-alkynones were explored. We found that the allylsamarium bromide reacts with α,β-alkynones to afford regiospecificly 1. 2-nucleophilic addition products in good yields under mild condition. At last we studied the coupling reaction of aryl halides promoted by NiCl〓/PPh〓/Sm〓.

第二章 研究了二碘化钐、金属钐促进的有机反应:1、二碘化钐促进下α,β-炔基酮的偶联环化反应,提供了一种制备多取代环戊二烯的新方法;2、二碘化钐促进下的二硫醚、二硒醚与α,β-炔基酮的Michael加成反应,为高产率地制备多取代的烯基硫或烯基硒化合物提供了方便可靠的新方法;3、二碘化钐促进下的二硫醚、二硒醚与α,β-炔基酮和醛、酮的Michael—aldol串联反应,提供了一种一法高产率地制备多取代的含硫的烯丙基醇或含硒的烯丙基醇类化合物的方便可靠的原子经济性的新方法;4、烯丙基溴化钐与α,β-炔基酮的高度区域选择性的1,2-亲核加成反应;5、NiCl〓/PPh〓/Sm〓促进的卤代芳烃的偶联反应-一种从各种卤代芳烃制备联苯类化合物的有效方法。

Reaction of ketones with sodium diselenide and sodium hydrogen selenide under the catalysis of n-BuNH2 gave a moderate yield of diselenides in a "one-pot" fashion.

在正丁胺的催化下,酮与硒氢化钠、二硒化钠乙醇溶液通过&一&法反应得到了中等产率的二硒醚。

The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.

测定水中硝酸盐氮含量有多种方法,主要包括酚二磺酸光度法、柱还原法、戴氏合金还原法、离子色谱法、紫外分光光度法和电极法等。

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The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性,因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊,这是第二次你打败了我!

So a kind of strong antagonism permeated in the relations of two countries.

所以两国这一时期的政治关系始终弥漫着一种强烈的对抗情绪。