溴化后与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.
弱碱(吡啶,二甲基吡啶或可力丁)的存在将亚磷酸三酯氧化为四配位磷酸三酯。
The presence of a weak base (pyridine, lutidine, or collidine ) oxidizes the phosphite triester into a tetracoordinated phosphate triester.
理论优化表明,三个吡啶甲酸分子都具有平面的平衡构型。
Theoretical optimizations show that the equilibrium geometries of the three picolinic acid molecules are planar.
合成了芘、蒽荧光团取代的三联吡啶。
The pyrene or anthracene-substituted terpyridine ligands was synthesized.
选用24%氨氯吡啶酸水剂对灌木进行对照试验。
The controlling test was carried out to the shrub with 24% picloram.
采用铜粉、硫粉、硫化钾及3-甲基吡啶在常湿、常温下直接合成了标题化合物。
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.
2,3-二氯-5-三氟甲基吡啶是杀虫剂氯氟脲类合成农药的关键中间体。
2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.
研究人员发现,服用雷公藤提取物的患者与服用硫氮磺胺吡啶的患者相比较,其疼痛、肿胀及其它症状有更明显的好转。
The researchers found that people who took TwHF extract had greater improvement in their pain, swelling, and other symptoms than those who took sulfasalazine.
六个月后,服用雷公藤的患者中有65%的人症状至少有20%的好转,而服用硫氮磺胺吡啶的患者中只有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.
现在研究人员正在测试肠胃舒泰和N -甲基吡啶的混合物,人体测试将确定这是否会有胃酸逆流的可能。
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.
当一个有机分子如电子给予体吡啶吸附在表面上时,阳离子由于电子转移而还原。
When an organic molecule like electron donating pyridine adsorbs on the surface, cations get reduced due to charge transfer.
吡啶(PhID)广泛存在于烤鸡肉和其它肉类中,这中化学物质会增加患膀胱癌的风险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.
介绍了吡啶氯化合成2-氯吡啶的方法和应用。
The process of 2-chloropyridine chlorination synthesis by pyridine and application were introduced.
介绍了吡啶碱类化合物在医药、农药、香料、橡胶和染料等领域的应用。
The application of pyridine bases in the field of pharmaceuticals, pesticide, aromatics, rubber, and dyestuff are introduced.
采用积分反应器,研究了吡啶氯化反应中催化剂失活动力学。
The catalyst deactivation kinetics of pyridine chlorination was investigated in an integral fixed reactor.
本论文研究了铱催化的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.
研究了银膜表面由于吸附吡啶分子而引起的表面二次谐波信号变化。
The changes in the SH signal due to adsorption of pyridine molecules on the Ag film were investigated.
碱性氮化物包括吡啶和喹啉。
The basic nitrogen compounds include pyridines and quinolines.
由此研究了五聚体与吡啶的摩尔比与产物的结构的关系。
The reaction of molar ratio of pentamer to pyridine and products structure is studied.
本论文主要研究了以四氢糠醇为原料合成吡啶的工艺。
The process for the synthesis of pyridine using tetrahydrofurfuryl alcohol (THFA) as material was researched in this article.
吡啶是一种无色的化学液体。
目的观察和评价雷公藤多甙与硝苯吡啶治疗儿童紫癜性肾炎的临床疗效。
Objective To observe and evaluate the clinical efficacy of Tripterygium glycoside and Nifedipine for treatment of children with purpura nephritis.
证据级别较低但仍可能有效的干预包括钙、多巴胺、去甲肾上腺素、4 -氨基吡啶(如有),及脂质乳剂治疗。
Interventions with less evidence, but still possibly beneficial, include calcium, dopamine, norepinephrine, 4-aminopyridine (where available), and lipid emulsion therapy.
由红外光谱可知,聚-2 -氨基吡啶具有头-尾相接的结构。
The IR spectra indicate that poly 2 aminopyridine has head to tail structure.
目的研究盐酸非那吡啶的制备工艺及其热稳定性。
OBJECTIVE To study the preparation and thermostability of phenazopyridine hydrochloride.
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.
谁掌握了吡啶生产技术,将具有相当于一台印刷机。
Who have mastered the production of pyridine technology, will have the equivalent of a printing press.
柳氮磺吡啶单一疗法为那些长期患有各种疾病和没有不良预后特征的,包含那些不同严重程度患病的患者推荐。
Sulfasalazine monotherapy is recommended for patients with all disease durations and without poor prognostic features and includes those with all degrees of disease activity.
目的观察噻氯吡啶与华法林在治疗心腔内附壁血栓的疗效及安全性。
Objective To investigate the safety and efficiency of ticlopidine and warfarin on intracardiac mural thrombus.
甲氨喋呤加柳氮磺吡啶疗法是推荐给那些患病时间长久,病情高度活动、但是没有不良预后特征的患者。
Methotrexate plus sulfasalazine is recommended in patients with all disease durations provided they have high disease activity and poor prognostic features.
应用推荐