甲
- 与 甲 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this paper, the improvement of synthetic method of 2-acetylaminotropone is introduced. 3-Acetyltropolone reacted with low concen-tration methylamine solution and solvent was directly evaporated in reduce pres-sure to give 2-acetyl-7 -methylaminotropone in good yield. The compound reacted with phenyltrimethylammonium tribromide to give two new compounds.
本文介绍2-乙酰基-7-甲胺基酮合成方法的改进——用挥发性小的低浓度甲胺溶液与3-乙酰基酚酮反应;和采用直接减压蒸除溶剂法分离产品,得到较好产率的2-乙酰基-7-甲胺基酮;用化合物与三溴化苯基三甲铵反应,得到两种至今未见文献报道的新化合物。
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The results show that 60Co-γ ray radiation has the most remarkable effect on the degradation of organophosphorus pesticides such as fenitrothion, parathion, methyl-parathion, phorate and chlorpyrifos and the maximum degradation rates are over 85%. The degradation rates of methamidophos, acephate, malathion ,dimethoate are slightly inferior to them and the optimum degradation rates is just only 34.70%. At the same time, the contents of soluble total sugars, glucose, fructose, sucrose and total sugars in apple juice decrease unconspicuously, but the total acid content in apple juice and its color value and clarity increase. Based on a comprehensive consideration of the 60Co-γ radiation effect on the actual degradation of organophosphorus pesticides in apple juice and its main chemical and physical indexes, organophosphorous pesticides residue will be decreased to a lower level with radiation dose of about 5 kGy but the main chemical and physical indexes of export apple juice can not be affected.
结果表明: 60Co-γ射线辐照处理对苹果汁中杀螟硫磷、对硫磷、甲基对硫磷、甲拌磷、毒死蜱降解效果最为显著,最高降解率均在85%以上;对苹果汁中甲胺磷、乙酰甲胺磷、马拉硫磷和乐果的降解效果不显著,最高降解率仅为35%;在0~9 kGy辐照剂量范围内降解苹果汁中有机磷农药的同时,会使苹果汁中的可溶性固形物、葡萄糖、果糖、蔗糖及总糖含量轻微降低,苹果汁的总酸度有所增加,苹果汁的色值及透光率提高;综合分析60Co-γ射线辐照对苹果汁中有机磷农药的实际降解效果及对苹果汁主要理化指标的影响,选用5 kGy的辐照剂量已完全使苹果汁中的有机磷农药残留降低到一个很低的水平,又不会对苹果汁出口主要理化指标造成影响。
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Methods 116 cases of patients with unruptured ectopic pregnancy,according to the different drug treatments were randomly divided into three groups.A group used methotrexate;B group was with methotrexate + mifepristone;C group with methotrexate + mifepristone Chinese medical treatment.
将116例未破裂异位妊娠患者,按药物治疗方法不同随机分为三组。A组使用甲氨蝶呤;B组用甲氨蝶呤+米非司酮;C组用甲氨蝶呤+米非司酮+中医治疗。
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Firstly, the 10-methoxy-5H-dibenzazepine is synthesized through brominating and methoxylation and hydrolyzation from 5H-dibenzb, fJazepine-5-carbonyl chloride.
首先,研究了以5-氯甲酰基亚氨基芪为原料,经溴化、甲氧基化、水解合成了10-甲氧基亚氨基芪。
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A liquid chromatography-mass spectrometrymethod for determination of 15 anabolic steroids(17β-TS, PG, 17β-NT, MTS, PTS, PN, PNT, DIA, BOL, TRE, STA, TRA, MED, NOG, MPA) in animal urines was established. After the treatment of enzyme hydrolysis, the sample was cleaned up by C18 solid-phase extraction cartridges. The elution was evaporated under nitrogen and redissolved by acetontrile-water(1:1, by volume).
采用液相色谱-电喷雾串联质谱仪(LC-ESIMS/MS),在多反应监测模式下建立了动物尿液中15种甾类同化激素(睾酮、孕酮、诺龙、甲基睾酮、丙酸睾酮、丙酸诺龙、苯丙酸诺龙、大力补、勃地龙、群勃龙、康力龙、醋酸群勃龙、甲炔诺酮、甲羟孕酮、醋酸甲羟孕酮)的快速确证测定方法。
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This means it should do more damage against lightly armored or fully sundered targets but less damage against heavily armored targets.
这意味著,在无视护甲穿透等级的情况下,你能对轻甲目标能造成更多伤害,而面对护甲值高的目标你的伤害将有所降低。
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Let's give him 8,000 ac raw, and even assume he has 5 sunders stacked, for 5750 final ac, so he will take 48.89% of damage.
假设你在tank一个62级的怪,它有8000护甲,并且有5个破甲效果,然后实际为5750的护甲,因此他将受到48.89%的伤害。
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Suppose you are tanking a level 62 mob. Let's give him 8,000 ac raw, and even assume he has 5 sunders stacked, for 5750 final ac, so he will take 48.89% of damage.
假设你在tank一个62级的怪,它有8000护甲,并且有5个破甲效果,就是5750的护甲,那么他将受到48.89%的伤害。
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Methyl phenyl glyoxylate was prepared firstly by reaction of 2-methyl benzoyl chloride with NaCN. The reaction of 2-methyl phenyl glyoxylate with methanol gave the target product methyl 2-methyl phenyl glyoxylate. An improved 3 step synthetic method of methyl 2-methyl phenyl glyoxylate was studied. The optimization conditions were presented.
以2-甲基苯甲酸为原料,酰化后与氰化钠反应生成2-甲基苯甲酰腈,经甲酯化生成2-甲基苯甲酰甲酸甲酯,改进了三步合成2-甲基苯甲酰甲酸甲酯的方法,并对反应时间、反应温度等影响因素进行了优化,确定了合成反应中的最优化条件。
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Benzoyl chloride was treated with potassium selenocyanate in dichioromethane by using polyethylene glycal-400 as the solid-liquid phase transfer catalyst to yield the corresponding benzoyl isoselenocyanate. This intermediate did not need to be isolated and directly reacted with arylamines, affording the N-benzoyl-N'-arylselenoureas 2a~2p. These compounds were characterized by IR, 1H NMR spectra and elemental analysis and the single crystal structure of 2k has been confirmed by X-ray crystallographic analysis.
以PEG-400为固液相转移催化剂,通过苯甲酰氯与硒氰酸钾反应合成了中间体苯甲酰基异硒氰酸酯,该中间体不需分离,直接与芳胺反应,得到N-苯甲酰基-N'-芳基硒脲(2a~2p),这些化合物用1H NMR,IR及元素分析进行了表徵,并用X射线单晶衍射确定了化合物2k的单晶结构。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。