1)  unidirectional flow
单向法
1.
Permeability of three-dimensional braiding preform was measured by radial and unidirectional flow techniques.
3 MPa较适合;单向法适用于较高纤维体积含量,仅能测量2个方向的渗透率,而不能确定主渗透率方向,三维编织预制件渗透率测量采用2种方法相结合,单向法测量渗透率的大小,径向法测量主渗透率的方向。
2)  Unidirectional
单向
1.
Isothermal unidirectional elongation method of gene synthesis;
一种新的等温单向生长基因合成法初步探索
2.
Unidirectional Opening of Oval Foramen Using in Surgical Correction of Congenital Heart Disease with Severe Pulmonary Hypertension;
单向开放卵圆孔在先天性心脏病并重度肺动脉高压外科治疗中的应用
3.
This paper describes a kind of full bridge unidirectional high frequency-link inverter.
研究了一种全桥单向高频链逆变器。
3)  one-way
单向
1.
Based on the engineering,the design,calculation method and construction measures of one-way prestressed hollow slabs are introduced.
结合该工程的特点,介绍了单向预应力空心板的设计、计算方法、步骤和构造措施。
2.
In order to improve the teaching practice, one-way CATV system in campus must be transformed into the two-way educational system.
为适应教学需要,必须将单向校园有线电视系统改造为双向的教学系统,根据实际案例,介绍如何选择双向系统的类型与基本要求,介绍系统可实现的功能及所采用的设备。
3.
He discovered that the one-way gift-giving can lead to the increase of the receivers authority and reputation.
《礼物的流动》的作者通过生动的社会生活交往,分析了黑龙江下岬村礼物交换原则、模式及其所反映出来的社会关系网络运行方式,发现单向送礼会导致受礼者权力和声望增加,这与以往绝大多数人类学家研究结果正好相反,可谓是礼物流动模式的反向。
4)  single-line
单向
1.
The types of film hole infiltration can be classified as single point source infiltration,single-line interference infiltration and multiple-line interference infiltration.
膜孔入渗为充分供水条件下的空间三维入渗,可分为三种类型:膜孔自由入渗、膜孔单向交汇入渗和膜孔多向交汇入渗。
5)  uniaxial tension
单向拉伸
1.
Investigation on forming response of TRIP sheet steels in uniaxial tension;
TRIP钢板在单向拉伸变形下的相变行为研究
2.
Analysis of necking under condition of uniaxial tension of low-carbon steel specimen based on gradient-dependent plasticity;
基于梯度塑性理论的单向拉伸低碳钢试样颈缩分析
3.
To study the size effect on forming process of micro sheet metal,the uniaxial tension experiment was conducted with the AISI stainless sheet metal with the thickness of 0.
5 mm和1 mm的AISI 304不锈钢薄板进行单向拉伸实验。
6)  uniaxial tensile
单向拉伸
1.
The mechanical property of AZ31 magnesium alloy rolling sheet under different temperatures and strain rates was studied through uniaxial tensile test.
通过单向拉伸试验研究了AZ31镁合金轧制板在不同温度和应变速率下的力学性能。
参考词条
补充资料:单向转变
分子式:
CAS号:

性质:又称单向转变。物质存在同质多像变体时,在转变温度下一种变体可转变成另一种变体,但反向直接转化几乎不可能。如α-石英在温度超过870℃并有矿化剂存在时,可转变为鳞石英。但将后者冷却到870℃以下却不转变成α-石英,而是过渡到β-鳞石英、γ-鳞石英。又如,γ-Al2O3加热到1200℃以上会自发转变为α-Al2O3,但冷却过程中α-Al2O3已不能变成γ-Al2O3,这类多晶转变为不可逆转变。

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