1) constant embrittlement curve
等脆化曲线
1.
The constant embrittlement curve for constant segregation concentration of impurity element P on grain boundary in 2.
25Cr-1Mo钢杂质原素P晶界偏聚量的等脆化曲线。
2) ductile-brittle transition curve
韧脆转化曲线
1.
The procedure to establish ductile-brittle transition curve of standard specimens is discussed according to ASTM E1921-05.
结合ASTM E1921-05标准,详细讨论了标准断裂试样韧脆转化曲线的建立过程;为了将标准断裂试样的测试结果用于低约束断裂试样,采用两参数的Weibull分布描述裂纹尖端局部区域的应力状态与失效概率之间的关系,并用Weibull应力将各种不同约束水平的裂纹尖端应力场联系起来,得到了预测低约束断裂试样韧脆转化曲线的公式。
3) vulnerability curve
脆弱曲线
1.
In this paper, studies on the definition and establishing methods, the relation among vulnerability and xylem structure, organs, drought resistance ability, distribution and embolism history, and comparisons among different vulnerability curve models are reviewed to promote the research on embolism vulnerability and drought resistance mechanism of plants.
从树木木质部栓塞脆弱性的定义 ,脆弱曲线的建立方法 ,木质部栓塞脆弱性与植物木质部结构、部位、抗旱性、分布及栓塞发生经历之间的关系 ,脆弱曲线模型的比较方面对植物木质部栓塞脆弱性研究的概况进行了回顾 ,以促进木质部栓塞脆弱性及树木抗旱机理方面的研究工作。
2.
The “vulnerability curves”of each tree species were also ploted.
选取加杨、刺槐、白榆、沙棘和榛木５个树种，测定一年生小枝的导水率和水势，绘制出各树种的脆弱曲线。
4) vulnerability curve
脆弱性曲线
1.
Embolism vulnerability curves of all 7 species were drawn.
以中国北方地区7种造林树种刺槐Robiniapseudoacacia,杜梨Pyrusbetulaefolia,麻栎Quercusacutissima,苦楝Meliaazedarach,银杏Ginkgobiloba,黄连木Pistaciachinensis和元宝枫Acermono为研究对象,于秋季测定1年生枝条水势变化及其对木质部导水性和栓塞的影响,并绘制出各树种的枝条脆弱性曲线。
5) vulnerability curve models
脆弱曲线模型
1.
Two types of vulnerability curve models for the six deciduous broad leaved tree species were established,through which the theoretical value of parameters could be determined and their physiological meanings were also discussed.
对导水率的影响可通过脆弱曲线看出 ,6种落叶阔叶树的 2类脆弱曲线模型建立 :y=aebx和 y=x2( a+bx2 ) 。
6) ductile-brittle transition temperature curve
韧脆转变曲线
1.
Serial impact test datas were fitted with Boltzmann function and hyperbolic tangent function mathematical model separately and the ductile-brittle transition temperature curve were gained.
分别利用Boltzmann函数和双曲正切函数两种数学模型对系列冲击试验中的试验数据进行拟合,得到了材料的冲击韧脆转变曲线,比较了这两种数学模型的优劣和适应性,并对数学模型中各参数的选择进行了讨论。
补充资料：Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖，T~aaa，即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合，也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程，关丘=刁:f/刁xi刁、，则它的He丈犯曲线的定义方程为 !不:关:五，} }五:关:五31=0. }人，人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条