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Relationship between abnormal fetal heart rate tracing patterns during the second steage of labor and perinatal outcome;

第二产程异常胎心监护图形与新生儿结局的关系

On the relations between the second industry and the tertiary industry on a new road to industrialization;

新型工业化进程中第二产业与第三产业的关系论析

Shanghai 2010 World Expo ——Impact on Shanghai s second industry;

2010年世博会对上海第二产业的带动作用

The results show that the strength and fracture toughness of the two kinds of composites are increased by the addition of the second phases, WC and ZrO2.

结果表明:第二相WC、ZrO_2弥散分布于Al_2O_3中可明显改善复合材料的强韧性;Al_2O_3-WC-ZrO_2和Al_2O_3-WC陶瓷材料的强度分别为820MPa和510MPa,韧性分别为8。

Coarsening of the second phase in directionally solidified Al-Bi monotectic alloys;

定向凝固A1-Bi偏晶合金中第二相的粗化行为

Relationship between the second phase and R phasetransformation in NiTi(X) alloys;

NiTi(X)合金中第二相与R相关系研究(英文)

The results show that adding Nb to HS690 filler metal will improve the quantity and morphology of the second phase(Nb,Ti)C in grain boundaries,the condition of grain boundaries and DDC susceptib.

结果表明,在焊接工艺条件相同的情况下,采用向HS690焊丝中添加Nb的冶金方法能够调整晶界处第二相(Nb,Ti)C的数量和形态,晶界条件得到改善,HS690熔敷金属抗DDC的能力得到明显的提高。

Morphology and Phase Constituent of Secondary Phase in As-cast Microstructure of 7150 Aluminum Alloy;

7150铝合金铸态组织中第二相的形貌及相组成

The microstructure and secondary phase identification were determined by scanning electron microscop.

AlN中的晶界第二相主要为Al2Y4O9。

Al alloys contain some secondary phases,such as aging precipitates and inclusions,which have great effect on the localized corrosion behavior of Al alloys.

铝合金中通常含有一些时效析出相及杂质相等第二相粒子,这些第二相粒子对铝合金局部腐蚀行为产生重大影响。