构

However, the release of ABAQUS currently absents Duncan-Chang constitutive model that has been widely used to simulate some deformation problems in the field of geotechnical engineering.

目前，ABAQUS 发行的版本中虽包括了金属、橡胶、塑料、混凝土、Drucker-Prager、Mohr-Coulomb和 Roscoe 等众多材料本构模型，但尚无国内岩土工程领域中广泛采用的 Duncan-Chang 本构模型。

However, the release of ABAQUS currently absents NHRI constitutive model, which has been widely used to simulate the stress-strain behavior of soil in geo-engineering.

标准ABAQUS程序中包含一些材料的通用本构模型，但土体具有弹塑性及剪胀性等特性，因而有必要在ABAQUS中开发出适应土体的本构模型，南水模型则可以很好地反映土体剪胀等特性。

Allosteric enzymes possess an allosteric site in addition to their ACTIVE SITE.

别构酶控制着别构部位和它的活性部位。

The results show that CaM without antagonist tends to open from its closed state and cause allosteric interaction.

在此基础上，进一步用靶向分子动力学模拟了CaM从闭合到打开的构象变化过程，得到一条稳定的变化路径和4个可能的过渡态构象。

Visualizing conformational dynamics in proteins has been difficult, and the atomic-scale motions responsible for the behavior of most allosteric proteins are unknown.

可视化蛋白质构象动力学一直有难度，而且在原子级负责大部分变构蛋白行为的运动还不清楚。

Allosteric enzymes A plot of V 0 against for an allosteric enzyme gives a sigmoidal-shaped curve.

变构酶 将变构酶的 V 0 对作图得到一 S 形的曲线。

V Allostery Hemoglobin is an allosteric protein.

变构： 血红蛋白是变构蛋白，氧的结合是协同的。

In this paper, the upper member of Eh〓, Shuanghe ～ Zhaoao area, Biyang basin, is treated as a case to study outer and iuner configuration of terrigenous sequence, based on the synthetical analysis of seismic, core, welllog and geological data. Using computer simulation technique of quantitative sequence stratigraphy, accommodation diagram, and baselevel analysis theory, the controling factors. formation, and procedure-responsed mechanics of terrigenous sequence are discussed.

文中以双河～赵凹地区下第三系核三〓段为例，综合利用地震、钻井、测井、地质等资料，剖析了泌阳断陷陆相层序外部构型和内部构型；采用定量层序地层学计算机模拟技术、可容空间图解方法及沉积基准面分析原理，探讨了泌阳断陷陆相层序控制因素、形成机理及其过程—响应机制。

Based on statistical damage theory, the instantaneous damage constitutive relationship of gypsum breccias is studied. In consideration of the impact of damage threshold, a statistical damage constitutional equation is established.

在以上试验的基础上，基于统计损伤理论研究了石膏角砾岩瞬时损伤应力应变本构关系，提出统计损伤应考虑损伤门槛的影响，建立了考虑损伤门槛的统计损伤本构方程，理论计算结果与常规试验结果比较接近。

There are some isomeric compounds of hydroxypyridinone. The compounds of 2-hydroxy-6-pyridinone have been used to dyestuff and pesticide widely. The compounds of 3-hydroxy-2-pyridinone and 3-hydroxy-4-pyridinone are paid attention to, because they are very useful heavy metal chelations. Especially, they are wonderful candidate medicament for the toxicosis of depleted uranium, so they can settle the DU jeopardize to the people.

羟基吡啶酮化合物有不同的同分异构体，2-羟基-6-吡啶酮已被广泛用于染料和农药行业，而3-羟基-2-吡啶酮和3-羟基-4-吡啶酮也引起了人们的重视，因为这两种异构体的化合物是非常理想的重金属络合剂，尤其重要的是，它可作为解决贫铀中毒的候选药物，有望解决战争中由于贫铀中毒带来的危害。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。