• 2-氨基-5-甲基吡啶反应生成咪唑吡啶

    This is brominated and reacted with 2-amino-5-methylpyridine to give the imidazopyridine.

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  • 弱碱(吡啶,二甲基吡啶可力丁)存在将亚磷酸三酯氧化四配磷酸三酯。

    The presence of a weak base (pyridine, lutidine, or collidine ) oxidizes the phosphite triester into a tetracoordinated phosphate triester.

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  • 理论优化表明三个吡啶甲酸分子具有平面平衡构型

    Theoretical optimizations show that the equilibrium geometries of the three picolinic acid molecules are planar.

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  • 合成、蒽荧光团取代的三联吡啶

    The pyrene or anthracene-substituted terpyridine ligands was synthesized.

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  • 选用24%吡啶酸水剂灌木进行对照试验

    The controlling test was carried out to the shrub with 24% picloram.

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  • 采用硫化3-甲基吡啶常湿、常温下直接合成标题化合物

    The title compound has been obtained by the reaction of copper powder with sulfur powder, potassium sulfide and 3-methylpyridine at ambient temperature and normal atmosphere.

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  • 2,3-二氯-5-三氟甲基吡啶杀虫剂氯氟脲类合成农药关键中间体

    2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.

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  • 研究人员发现,服用雷公提取物的患者与服用硫氮磺胺吡啶的患者相比较,疼痛肿胀其它症状明显的好转

    The researchers found that people who took TwHF extract had greater improvement in their pain, swelling, and other symptoms than those who took sulfasalazine.

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  • 个月服用雷公患者中65%症状至少有20%的好转服用硫氮磺胺吡啶的患者只有33%的患者症状有所好转。

    After six months, 65 percent of those taking TwHF extract had at least a 20 percent improvement in their symptoms, compared with 33 percent of those taking sulfasalazine.

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  • 现在研究人员正在测试肠胃舒泰和N -甲基吡啶混合物人体测试确定是否会胃酸逆流的可能。

    Now the researchers are test roasting a stomach-soothing N-methylpyridinium blend. Human trials will determine if it has all the boldness with none of the reflux.

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  • 一个有机分子电子给予体吡啶吸附表面上时,阳离子由于电子转移还原

    When an organic molecule like electron donating pyridine adsorbs on the surface, cations get reduced due to charge transfer.

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  • 吡啶(PhID)广泛存在烤鸡其它肉类中,这中化学物质会增加患膀胱癌风险19%。

    PhIP, a chemical commonly found in grilled chicken and other meats heated to a sufficient degree, was associated with a 19 percent increased risk of bladder cancer.

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  • 介绍了吡啶氯化合成2-氯吡啶方法应用

    The process of 2-chloropyridine chlorination synthesis by pyridine and application were introduced.

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  • 介绍了吡啶碱类化合物医药农药香料橡胶染料等领域应用

    The application of pyridine bases in the field of pharmaceuticals, pesticide, aromatics, rubber, and dyestuff are introduced.

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  • 采用积分反应器研究吡啶氯化反应催化剂失活动力学

    The catalyst deactivation kinetics of pyridine chlorination was investigated in an integral fixed reactor.

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  • 论文研究铱催化喹啉和吡啶衍生物以及环外烯胺的不对称氢化

    In this dissertation, Ir-catalyzed asymmetric hydrogenation of quinoline derivatives, pyridine derivatives and exocyclic enamines have been studied.

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  • 研究膜表面由于吸附吡啶分子而引起表面次谐波信号变化

    The changes in the SH signal due to adsorption of pyridine molecules on the Ag film were investigated.

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  • 碱性氮化物包括吡啶喹啉

    The basic nitrogen compounds include pyridines and quinolines.

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  • 由此研究了五聚体吡啶摩尔产物结构的关系。

    The reaction of molar ratio of pentamer to pyridine and products structure is studied.

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  • 论文主要研究了四氢原料合成吡啶工艺

    The process for the synthesis of pyridine using tetrahydrofurfuryl alcohol (THFA) as material was researched in this article.

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  • 吡啶一种无色化学液体

    Pyridine is a colorless chemical liquid.

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  • 目的观察评价雷公藤多硝苯吡啶治疗儿童紫癜性肾炎临床疗效

    Objective To observe and evaluate the clinical efficacy of Tripterygium glycoside and Nifedipine for treatment of children with purpura nephritis.

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  • 证据级别可能有效干预包括多巴胺去甲肾上腺素4 -氨基吡啶(如有),脂质乳剂治疗

    Interventions with less evidence, but still possibly beneficial, include calcium, dopamine, norepinephrine, 4-aminopyridine (where available), and lipid emulsion therapy.

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  • 红外光谱可知-2 -氨基吡啶具有-尾相接结构

    The IR spectra indicate that poly 2 aminopyridine has head to tail structure.

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  • 目的研究盐酸吡啶制备工艺及其热稳定性

    OBJECTIVE To study the preparation and thermostability of phenazopyridine hydrochloride.

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  • 吡咯咪唑呋喃为可降解有机物吡啶为难降解有机物。

    Pyrrole, imidazole and furan are biodegradable organics, and pyridine are poor biodegradable organics.

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  • 掌握吡啶生产技术具有相当于印刷机

    Who have mastered the production of pyridine technology, will have the equivalent of a printing press.

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  • 吡啶单一疗法那些长期患有各种疾病没有不良预后特征包含那些不同严重程度患病患者推荐

    Sulfasalazine monotherapy is recommended for patients with all disease durations and without poor prognostic features and includes those with all degrees of disease activity.

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  • 目的观察噻氯吡啶华法林治疗心附壁血栓疗效安全性

    Objective To investigate the safety and efficiency of ticlopidine and warfarin on intracardiac mural thrombus.

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  • 甲氨喋呤柳氮磺吡啶疗法推荐那些患病时间长久,病情高度活动但是没有不良预后特征患者

    Methotrexate plus sulfasalazine is recommended in patients with all disease durations provided they have high disease activity and poor prognostic features.

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