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Martensite lath changes into fine tempered sorbite w. 材料经高温回火得到细小回火索氏体,力学性能优良。
Use of PCR to detect human parvovirus B19 DNA in clinical specimens? 用PCR检测临床标本中人类微小病毒B19 DNA
Objective To investigate human Parvovirus( HPV) B19 infection and its effect in pathologic jaundice of newborn infants. 目的了解新生儿病理性黄疸人类细小病毒B19感染情况及临床特征。
Crack propagation from the flameout edge can be modeled by considering an edge crack in the martensite surface from flame cutting. 裂纹从烧割边缘的扩展可模拟为一个从烧割处的马氏体表面起始的边裂纹。
Objective To investigate the relationship between human parvovirus B19 infection and colon cancer. 目的探讨人类微小病毒B19感染与大肠癌的关系。
Objective To study the correlation between the human parvovirus B19 infection and hepatitis B. 目的探讨人类微小病毒B19感染与乙型肝炎的关系。
Unlike B19, SPV RNAs were also spliced between the donor of the first intron and the acceptor of the second intron. 本研究还发现，在第一个内含子的供体(donor)和第二个内含子的受体(acceptor)之间拼接的SPV RNA。
Special, highly alloyed welding wire for aluminium pressure molds. Martensit hardening. Good filing qualities. 这是一种特殊的合金焊丝,用于压铝模具的修补中,具有较高的焊接硬度和良好的堆焊性能。
Objective:To explore the infection status of TORCH and human parvovirus B19 in pregnant women in our region. 目的了解我区孕早期妇女TORCH及人细小病毒B19的感染情况。
The proportion of austenite in the matrix of as-cast cast iron 290Cr26MoW increases but that of martensite decreases. 铸态290Cr26MoW耐磨白口铸铁基体的奥氏体比例增加,马氏体减少。
As for small diameter workpiece, martensite distribution can be obtained by immediately quenching. 对于直径较细的工件，轧后立即淬火几乎可得到全部马氏体。
Matrix should be of martensite, because it can resist impact and has little deformation. 基体应是马氏体，它能抵抗冲击，变形小。
Tmis paper deals with the ordering of Fe-1.83C(Wt%)martensite during aging at roomtemperature. 利用透射电镜对Fe－1.;83C马氏体室温时效所产生的有序化进行了详细的研究。
The results show that B19, TOX, RV infection mighet be important risk factors for CHD, while CMV and HSV 2 had no relationship with CHD. 在先天性心脏病心肌组织中检测到了B19、TOX、RV、CMV和HSV2基因 ,调查表明 ,B19、RV和TOX的感染是重要的危险因子 ,它可能与先天性心脏病的发病有关 ,CMV、HSV2的感染与先天性心脏病无明显关系
The detection of B19-VP2-IgM by ELISA is rapid, easy, special, and can be used for the early diagnosis of B19 infection. 结论 1EL ISA法检测 B19- VP2 - Ig M简便快速 ;特异性高 ;适用于 B19病毒感染早期诊断 .
The large coarsened martensite and grainy bainite are the internal causes of brittlement. 粗大的马氏体和焊接过程产生的粒状贝氏体是脆化的内在原因.
Specific IgM of B19, TOX and RV is negative from serums of the patients in biopsy group, whose gene detection is positive at the same time. 2对活检心肌组检测上述病原基因的阳性病例 ;同时作血清中 B19;TOX;RV的特异性 Ig M检测均阴性 .
The results show that the structure of the surfacing layer was martensite, carbides and residual austenite. 试验结果表明：焊后的堆焊层组织为马氏体+碳化物+残余奥氏体。
Some martensite like bainites such as crossed type and midrib type in the alloy were investigated. 观察到交叉型、中脊型类马氏体形貌贝氏体，发现贝氏体中脊中有大量层错。
SPV pre-mRNAs contain three introns, compared to two found for B19: an additional intron was found within the capsid coding region. SPV RNA的第三个内含子位于核衣壳基因区内。