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青霉胺常用予治疗肝豆状核变性,目前广泛用于治疗类风湿性关节炎(RA)、系统性硬化(SS)和胱氨酸尿症。其疗效显著,对于某些患者是......
Achalasia is a prototypic esophageal motility disorder with complications including aspiration-pneumonia, esophagitis, e......
以磁化率测量及 Mssbauer 谱分析研究 Ge 含量对γ-Fe-Mn 合金 Néel 转变的影响。在0-8.7at-%范围内,Ge 含量增加,磁化率增大。......
据西德《时代报》1982年5月14日报道,作家、戏剧家、画家和电影导演彼得·魏斯(Peter Weiss)
According to the West German Tim......
空气栓塞在人工气腹过程中之频率,各界报告不一,最近我国余姜二氏报告一例。Dasher氏,Black氏,Weiss氏及Bogen氏1954年温习文献,......
A novel hyperbranched aromatic polyamide containing bithiazole: Synthesis,metal complexation and mag
Based on the polycondensation of bifunctional 2,2′-diamino-4,4′-bithiazole(DABT) and trifunctional 1,3,5-benzenetricar......
本文报告2例系非甲亢危象及危象前期的甲状腺功能亢进(简称甲亢)患者,临床突出的症状是:频繁而又顽固的呕吐,例1导致了Mallory-Wei......
波兰Jagiellonian大学物理学院B.Penc等人通过X-射线衍射、磁性、电阻及X-射线光电谱测定(XPS)等方法研究了多晶体化合物CeAu1-x N......
SYNTHESIS AND MAGNETIC PROPERTIES OF COMPLEXES OF A CONJUGATED HYPERBRANCHED POLYMER CONTAINING BITH
A novel conjugated hyperbranched polymer containing bithiazole rings(PBTADB) was synthesized by polycondensation of 1,3,......
Spinel Li CoMnO4 is prepared by solid-state reaction and its magnetic properties are comprehensively studied by direct c......
One complex [Co1.5(C6H5CHCHCOO)3(Medpq)]·H2O(C6H5CHCHCOO = cinnamic acid, Medpq = 2-methyldipyrido[3,2-f:2,3-h]quinoxal......
Two [Ni(dmit)_2]~- Compounds Showing Layered and Chain Alignments: Crystal Structures and Magnetic P
Two metal-dithiolene compounds with a formula of[4-ClBz-l-APy][Ni(dmit)_2](1)and[4-NO_2Bz-l-APy][Ni(dmit)_2](2,4-ClBz-1-......
目的分析注意缺陷多动障碍(ADHD)儿童的血液微量元素与社会功能的相关性,从营养学角度为改善ADHD患儿的社会功能缺陷提供科学依据......
Synthesis, Crystal Structure, Physical Properties and Theoretical Studies of the New Ternary Sulfide
A novel ternary rare-earth sulfide, CsYb_7S_(11), has been successfully synthesized by high-temperature solid-state reac......
Q:在去年12月杂志中的老爷车Packard这个品牌消失了是吗?读者:NA不加T A:Packard(帕卡德)是上世纪重要的豪华汽车品牌之一,该品牌......
The maechanism of loading and collision loss in magneto-optical trap has discussed. The Doppler forces and population di......
A lattice random walk model based on particles scattering on discrete lattice of homogenous space is introduced. The dis......
A new method generating multiple beams mutually pumped phase conjugation (MMPPC) in a photorefractive Ba 1-x Sr......
Self-pumped phase conjugation(SPPC) and mutual-pumped phas e conjugation (MPPC) have been found to coexist in Ce∶BaTiO ......
Synthesis and Crystal Structure of Two One-dimensional Chain Copper Complexes [Cu(TTA)_2(4,4′-azpy)]
Two copper complexes [Cu(TTA) 2(4,4′ azpy)] (1) and [Cu (TTA) 2(3,3′ azpy)] (2) (HTTA=1,1,1 trifluoro 3 (2 th......
SYNTHESIS AND MOLECULAR STRUCTURE OF {Mo_n} (n=2,3,4) CLUSTERS WITH DIETHYLDITHIOPHOSPHANATO LIGANDS
In recent years, our research group has succeeded in synthesizing a series of {Mo2}, {Mo3}, and {Mo4} clusters by react......
介绍了奥地利“Urma-Weiss”公司生产的各种修整砂轮用的金刚石工具。奥地利“Urma-Weiss”公司生产各种修整砂轮用的金刚石工具。......
Seit der Publikation der Arbeit von Dr.S.S.Yoh(1933 a.a.0.)wurdendie Kohlenf(o|¨)hrenden Schichten in Hsiwan~1 im allg......
在几何上面之方程式,不外三种写法:(1)Ax+By+Cz+D=o,(2)x/a+y/b+z/c=1,(3)λx+μv+z~(1/2)=ρ或为A/(A~2+B~2+C~2)~(1/2)x+B/(A~2......
单边缺口试样的J积分,当取其缺口内表面为积分回路时,有特别简单的形式,即,并可进一步简化为,其中。 本文对两种单边缺口试样(缺口......
A novel Pd(Ⅱ)-dibenzo-18-crown-6(DB18C6) complex [K(DB18C6)]_2, [Pd(SCN)_4] has been isolated and characterized by X-ra......
The magnetization of Hg_(0.89)Mn_(0.11) Te single crystal grown by vertical Bridgman method was studied by using superco......
INFLUENCE OF Ge ON THE ANTIFERROMAGNETIC TRANSITION AND γ→ε MARTENSITIC TRANSFORMATION OF Fe-24Mn AL
The aims of the work were to study the effect of Ge (0-6wt. %) on the paramagnetic-antiferromagnetic transition and mart......
Side discharge into a channel flow is numerically simulated using an RNG based k ε turbulence model. It is shown ......
为考察综合振动测试系统,我们一行五人于1995年8月5日至19日访问了意大利的ACS公司,德国的Weiss公司和美国Gen-Rad欧洲公司的服务......
本文首先主要从西方的观点讨论中国的科技传播教育和机遇,然后提出了四个需要进一步研究的领域,指出研究中国的科技传播不仅对中国......
在我們的实验工作中,观察了Alnico V合金在不同磁性状态下的粉紋图。样品为8×8×15毫米的长方体。結果表明,从1300℃淬火的試样,......
为了尽力把骨干员工留住,大多数CIO都会采取一些措施。在你的组织中,很可能一进公司就有了细致的晋升、薪资、培训等一系列激励制......
A mathematical model for atmospheric staged circulating fluidized bed combustion, which takes fluiddynamics, combustion,......
ICRP 1 997～ 2 0 0 1届主委员会及其 4个专门委员会于 2 0 0 0年 1 0月在美国举行了 2 0 0 0年会 ,会议选举了2 0 0 1～ 2 0 0 5届委......
患者,男性,74岁。因呕血、便血3h余,以急性上消化道大出血收入院。患者清早起床后曾大便1次,便后即感心慌不适,随后出现呕血、便......
中枢神经系统的肿瘤,可由几种机制,转移到身体的远隔部位。外科操作是引起肿瘤细胞进入脑血管或静脉窦的最常见的原因。当然,肿瘤......
加拿大卡尔加里消息:卡尔加里的研究人员是世界上首次证实脑细胞能自体复制的科学家们。如果目前应用部分小鼠大脑用于人的脑组织......
7月11日,西门子在北京显示了其在TD-SCDMA和W-CDMA的技术优势和3G商用方面的经验,到目前为止,西门子在全球已赢得21个3G合同,是欧......
纤维内窥镜在胃肠道病学领域中的应用,以急性上消化道出血的效果较好,特别是应用于大出血时。此法操作迅速、安全并能提供资料。......
美国亚特兰大消息:一项新的研究表明,一种隐约与艾滋病病毒有关的癌瘤病毒在药物滥用者中传播,在美国某些地区有一半以上的药物滥......
一、出血程度的判断出血程度的判断及出血点的确定,对决定治疗方针非常重要。常尾氏以休克症状的有无和通过输血后恢复情况作为分......
