Ster相关论文
目的 探讨超声内镜在辅助治疗食管黏膜下肿物重要诊断价值及内镜下微创治疗黏膜下肿物后安全性及疗效性。方法 收集我科室近5 年来......
The fatty acid derivatives, prepared from renewable natural oils, can be used as highly promising and potential substitu......
Istomin和Palm曾提出用模型ΔfH0(RX)=h[R]+h[X]+φ[R]φ[X](式中h[R]和h[X]分别为烷基R和取代基X对单取代烷烃生成焓ΔfH0(RX)的......
In this work,surface-relief-grating formation behavior was studied by using two hyperbranched azo polymers.The hyperbran......
Renewable β-Myrcene Polymerization Initiated by Lutetium Alkyl Complexes Ligated by Imidophosphonami
β-Imidophosphonamido ligated lutetium alkyl complex(NPNDipp)Lu(CH2Si Me3)2(THF)(NPNDipp = Ph2P(NC6H3iPr2-2,6)2) with th......
The transition metal-mediated C–H bond activation has emerged as a powerful and ideal method for the total syntheses of......
Microbial hydrolysis of 17β-acetoxy steroidal compounds during aromatization by Arthrobacter simplex
Steroidal compounds containing 17β-acetoxy group after aromatization by Arthrobactersimplex afforded 17β-hydroxy-,17-......
用低频扭摆和弹性后效测量了掺氧的超纯Nb的Snoek-K(o|¨)ster弛豫,研究了氧含量、形变量以及退火处理等因素对S-K弛豫的影响.实验......
From the aerial parts of Clerodendrum colebrookianum Walp., two new C_29 sterols colebrin A and colebrin B, were isolate......
目的 探讨成人水平性共同性斜视矫正术后双眼视功能的重建.方法 分析45例年龄为18～50岁共同性水平斜视矫正手术后的双眼视功能.结果......
背景及目的:消化内镜运用在粘膜下肿瘤(SMTs)包括胃肠道肿瘤(GIST)的诊断和治疗中已有数十年的历史。然而,内镜治疗效果仍存在争议......
Seedlings of wheat (Triticum aestivum L.), Chinese cabbage (Brassica campestris L.) and mung bean (Phaseolus radiatus L.......
The internal friction and precipitate phases of the deformed Fe-P-N alloys have been investigated. It has been found tha......
Mass Loss from Glaciers in the Chinese Altai Mountains between 1959 and 2008 Revealed Based on Histo
Mass loss of glaciers in the Chinese Altai was detected using geodetic methods based on topographical maps(1959), the Sh......
司登(STER)冲锋枪是英国军队的制式装备,是第二次世界大战中盟军装备的主要冲锋枪之一,经过实践证明,司登冲锋枪是一支优秀的冲锋......
Inhibitory Effects of 20α-Hydroxyprogesterone on Steroid Hydroxylation Reactions of Guinea Pig Adren
Using guinea pig andrenal microsomes, we studied the inhibitory effects of 20α-hydroxyprogesterone on steroid hydroxyl......
Studies on the Syntheses and Properties of 5′-Branched-sugar Isonucleosides and the Related Oligonuc
The chemistry of nucleosides and oligonucleotides is an actively investigated field in the search for new drugs. The syn......
[Objective]The aim was to screen the antagonistic strains isolated from wild Sophora alopecuroides in Ningxia.[Method] T......
研究了变形Ｆｅ－Ｐ－Ｎ合金的内耗和沉淀，发现含置换元素磷的三元系铁的ｈｈＳＫＫ／ｈＳ比值不是给定值，而是磷含量的函数．在ｃＮ≤０．００３质量百分数％，ｃＰ≤０．０６４质量百分数％时，存在关系......
In this paper we report the structure of another new W3 cluster compound H[W3O2(O2CCH3)9]·5H2O prepared by the method ......
SINGLE Mo_(n)Fe_(4-n)S_(4) (n=0, 1, 2) CUBANE-LIKE CLUSTERS: PREPARATION FROM COMBI-NATION OF DINUCL
Three types of unit combinations, FeS2Fe + FeS2Fe, FeS2Fe + MoS2Fe and MoS2Mo + MoS2Mo, lead to Fe4S4, MoFe3S4 and Mo2F......
Effects of Dispex A40 on Rheology and Filter Pressing Behaviours of Concentrated Alumina Suspensions
Variation of plastic viscosity and extrapolated shear yield stress with the concentration of Dispex ......
The low-pressure chemical vapour deposition (CVD) of diamond takes place under the temperature-pressure condition under......
机型}气门冲1438143849!tg491 .91570】5701570{57()1570 398 748 郑 郑 姗 吠只9169 16 州1 1.()9 .829 .82,.59 .5】0 .210.210.......
A novel fulleroaziridine 2 with a closed 6,6-ring junction was synthesized from [60]fullerene and 4-azido-4-deoxy- 4?dem......
研究了两种成分的340MPa级烘烤硬化（BH）钢的Snoek—（SKK）阻尼发现用通常范围的频率测量内耗时，BH钢的SKK峰激活能（H）明显偏大；用1．7Hz的较高......
光盘盘片与光盘驱动器组成了光盘子系统,它的优劣与光盘盘片和光盘驱动器这两方面的因素有关,当然与光盘盘片的质量有直接关系。......
目的探讨胃镜与腹腔镜双镜联合、内镜黏膜下挖除术(endoscopic submucosal excavation,ESE)及内镜黏膜下隧道肿瘤切除术(submucosa......
Objective To quantify five specific dietary phytosterols and phytostanols in vegetables and fruits commonly consumed in ......
AIM: To evaluate the safety and efficacy of submucosal tunneling and endoscopic resection(STER) for treating submucosal ......
A spontaneously occurring rice (Oryza sativa L.) mutant, characterized by homeotic conversionin glumes and stamens, was ......
Simultaneous Determination of Four Major Steroidal Saponins in Seven Species of Dioscorea L.by HPLC-
Objective To control the quality of the species in Dioscorea L.better.Methods An HPLC-ELSD method was developed for the ......
Response of Rice to Insect Elicitors and the Role of OsJAR1 in Wound and Herbivory-Induced JA-lle Ac
Plants produce jasmonic acid(JA) and its amino acid conjugate,jasmonoyl-L-isoleucine(JA-lle) as major defense signals in......
目的 探讨消化道黏膜下肿物的内镜下诊断、治疗及其安全性.方法 对261例消化道黏膜下肿物进行内镜及超声内镜检查,并采用内镜黏膜......
查阅了自首次报道羧酸钕用于共轭二烯烃定向聚合至今近40年以来,关于不同羧酸钕配合物对1,3-丁二烯(BD)定向聚合催化活性影响的研......
New liquid free radical-cationic hybrid photopolymer, consisting of acrylate-based photocurable resin and epoxy-based ph......
目的 探讨脑动静脉畸形γ刀放射治疗后不同随访阶段放射性脑水肿的发生率.方法 回顾性分析广州医学院第二附属医院放射科自1995年1......
基于全反射原理搭建了光固化成型设备,采用向光敏树脂成型槽内投射倾斜的紫外线入射光,提高光固化成型的精度。即投射向光敏树脂入......
目的探讨消化道黏膜下肿物的内镜下诊断、治疗及其安全性。方法对261例消化道黏膜下肿物进行内镜及超声内镜检查，并采用内镜黏膜下......
目的了解口腔科医疗器械与物品消毒灭菌现状,以便改进和提高消毒管理水平。方法采用现场问卷调查方法对洛阳市城区口腔门诊科消毒......
为解决当前夜间辅助驾驶仪平面显示导致驾驶员无法正确判断景物纵深关系的问题,本文提出利用平行式红外双目立体系统进行夜间辅助......
学生评教在国内外教学质量评价中均发挥着重要的作用，而评教实施中存在的背反两面性却被忽视。针对因评教的背反两面性而引起的结果......
针对青山热电厂循环水水质特点，探讨了其循环水处理——阻垢、缓蚀及杀菌灭藻方式和监测手段，并对存在的问题提出了一些改进建议。可......
Management of Parkinson’s Diseases with Microelectrode-guided Stereotactic Pallidotomy and Thalamoto
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目的:评价垂体腺瘤的伽玛刀治疗在控制肿瘤生长和改善内分泌异常方面的作用和疗效.方法:对228例垂体腺瘤患者采用1.0TMRI和Gamma-P......
