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“Art thou a man entitled to desire a child？”1 Nietzsche asks in his childlessness in Thus Spoke Zarathustra.2 “Art tho......
目的评价乳腺癌根治手术经超声引导前锯肌平面(SP)的阻滞技术对患者术后镇痛的临床意义。方法选择2012年2月至2016年10月择期接受......
目的分析乳腺癌根治手术经超声引导术侧前锯肌平面（SP）的阻滞技术在患者术后镇痛中的效果。方法2013年1月至2016年12月择期接受全身......
目的 比较保乳手术与根治手术治疗早期乳腺癌的临床疗效.方法 76例早期乳腺癌患者,在知情同意下按患者及其家属意愿分成保乳组(BCT......
目的 探讨早期(Ⅰ、Ⅱ期)乳腺癌改良根治术中保留肋间臂神经的临床价值.方法 回顾分析62例行早期乳腺癌改良根治术患者的临床资料,......
The N-heterocyclic carbene (NHC)-catalyzed reactions involving two-electron reaction pathway have been well-established.......
采用直流等离子体化学气相沉积方法制备了硼掺杂金刚石(BDD)薄膜电极。以水杨酸(SA)为羟基自由基捕获剂,测定了在BDD电极电催化电......
Nitriles are widely existed in many bioactive compounds, and they can be easily transformed into other functional groups......
As a highly strained small molecule, [1.1.1]propellane has been widely used in various synthetic transformations owing t......
2,2,6,6-Tetramethyl-1-piperidinyl-N-oxyl (TEMPO) and its derivatives as stable radicals can participate in many reaction......
Study on superoxide and hydroxyl radicals generated in indirect electrochemical oxidation by chemilu
The generation and transformation of radicals on the cathode of indirect electrochemical oxidation were studied by chemi......
A process capable of oxidizing NO, SO2 and Hg0 was proposed simultaneously, which utilized a high-voltage and short-dura......
目的 评估经腹部切口结合翻肝技术治疗肾肿瘤合并Ⅱ、Ⅲ级下腔静脉瘤栓的安全性和有效性.方法 2009年1月-2015年4月采用腹部切口治......
Direct oxidation of methyl radicals in OCM process deduced from correlation of product selectivities
Selectivity of hydrogen in reaction of oxidative coupling of methane(OCM)was evaluated over the MxOy-BaCO3(MxOy: La2O3,S......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The effect of domestic and foreign trade coordination on technological innovation:complements or sub
Based on the theory of technology spillover in intational trade,this paper discusses the technological innovation effect......
本文通过对荣华二采区10...
目的 分析根治性近端胃切除空肠间置吻合术与根治性全胃切除食管空肠Roux-en-Y吻合术对胃癌病人术后恢复及生活质量的影响.方法 近......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Metal-Free Oxidative Decarboxylative Acylation/Ring Expansion of Vinylcyclobutanols with α-Keto Acid
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Nickel-Promoted Oxidative ipso-Annulation of N-(p-Methoxyaryl)propiolamides with α-Carbonyl Alkyl Br
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
A comparison of transition state of phenol in H-atom abstraction by methyl and methylperoxyl radical
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目的 研究腹腔镜下行进展期胃癌根治术时,淋巴结清扫达到胃癌根治度的程度及可能存在的优劣.方法 选择病灶位于胃下1/3的进展期患......
目的 探讨应用腹腔镜技术行直肠癌根治术的可行性及临床疗效.方法 对2004年1月至2007年12月行腹腔镜直肠癌根治术28例患者(腹腔镜......
目前,国内外对于乳腺癌根治术后放疗的指征尚无统一标准.为此,我们比较了我国与北美和欧洲乳腺癌根治术后的放疗指征,以期能为我国......
Two types of antioxidants(a primary antioxidant and a secondary antioxidant) were used to improve the stability of poly(......
The treatment of phenol wastewater with an ultraviolet source and an oxone generator by introducing salicylic acid as th......
本项研究对不同产地的银耳活性成分含量进行比较,并利用多种抗氧化测定方法,测定不同银耳抗氧化能力,分析不同抗氧化测定方法之间......
Atmospheric oxidizing capacity is the essential feature of urban and regional air. And OH and HO2 radicals are the key s......
In this paper we carry out a study of modules over a 3 × 3 formal triangular matrix ring г=(T 0 0 M U 0 N○ u M N V ),......
采用邻苯三酚自氧化法和水杨酸分光光度法，分别测定了珠芽蓼总黄酮提取物对超氧阴离子自由基(O2-)及羟基自由基(·OH)的清除率。结......
Systematic studies of the thermal decomposition mechanism of benzoyl peroxide(BPO) in ground state, leading to various i......
A comparison of transition state of phenol in H-atom abstraction by methyl and methylperoxyl radical
DFT method was employed to locate transition state for H-atom transfer from phenol by methyl radical and methylperoxyl r......
The propylene epoxidation over TS-1/SiO2 catalyst hydrothermally treated was investigated. It was found by EPR character......
The reaction mechanism of (CH3)3CO with CO has been theoretically investigated using density-functional theory (DFT) cal......
The author investigated the antioxidant effect of irbesartan[2-butyl-3-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}me......
Removal of NOx ( DeNOx, NOx is the total of NO and NO2) from flue gas by radical injection has been investigated . The d......
以过氧化苯甲酰(BPO)为引发剂,2,2,6,6-四甲基哌啶-1-氧基自由基(TEMPO)为自由基捕捉剂,进行3种低相对分子质量模型聚丁二烯,即高......
目的分析血浆SEPT9基因甲基化(mSEPT9)在结直肠癌根治术患者术后复发监测中的应用效果。方法选取2014年4月至2018年4月在该院行根......
目的 比较0．15％、0．20％和0．25％的罗哌卡因加2μg／mL芬太尼用于乳癌术后病人自控硬膜外镇痛（PCEA）的效果及不良反应。方法 60例ASAⅠ-Ⅲ级择......
"学衡派"以<学衡>杂志为理论宣传阵地,以白璧德的新人文主义为思想武器,与新文化运动相抗衡,最后以失败而告终.但是,在中国迈向现......
目的观察超声刀在近端胃癌根治术中的临床应用效果。方法将62例行经腹近端胃癌根治术的胃上部癌患者,随机分为超声刀组和高频电刀......
目的探讨达芬奇机器人肺癌根治术后并发乳糜胸患者的诊断及治疗方案。方法自2011年10月至2015年12月,沈阳军区总医院胸外科应用达......
测定了食用菌的含水量（w水）、高分子活性中心元素含量以及羟自由基清除能力,计算了食用菌中高分子活性中心元素（Ti、V、Cr、Mn、Mo、Z......
分泌性中耳炎(secretory otitis media,SOM)是以鼓室积液及听力下降为主要特征的中耳非化脓性炎性疾病.关于SOM的发病机理至今未明......
烷基芳烃过氧化反应是酚类合成反应的关键步骤。与传统的酚类合成路线相比，该反应具有低污染、100％原子利用率等优点，是理想的绿色合......
以正丁醇和戊烯酸甲酯为起始原料,通过两步反应合成高纯度的δ-辛内酯。首先在加热条件下,经自由基引发的双键加成得到6-羟基癸酸......
