They found that the clam first contracts its shell.

They believe that an energy-efficient Roboclam could anchor an autonomous underwater vehicle, search for mines or lay underwater cables.

他们认为这样一种有效利用能量的机器蛏子可以用于固定寻找矿藏或安放于海底电缆之类的自动设备。

But the razor clam could burrow a centimeter per second and go half a kilometer using only about a AA battery's worth of energy.

但是这种蛏子能够以每秒1厘米的速度并且只消耗相当于一节AA号电池的能量就可以挖掘半公里的深度。

Through model parameter estimation, the activation energy and frequency factor of sulfide oxidation reaction, the phase balance constant for solvent extraction were determined by use of experimental data of diesel desulfurization.

利用脱硫实验数据进行模型参数估值，确定了硫化物氧化反应活化能及频率因子、溶剂萃取相平衡常数等模型参数。

The concept of the independence consistency limiting factor number is introduced. The questions on independence consistency limiting factor referring the relationship of component consistency in the phase balance system are also discussed.

介绍了独立浓度限制条件数的概念，讨论独立浓度限制条件涉及的相平衡系统中各组分的浓度等关系问题。

This paper provides the major results of research for the automatic phase balance of AC bridge.

本文提供了关于电桥相位自动平衡研究的主要结果。

The process simulation features of single tower pressured side draw sewage stripping process have been researched. Phase balance thermodynamic model for volatile weak electrolyte water solution is expounded in detail.

针对单塔加压侧线抽出污水汽提工艺流程，研究了模拟流程特点，介绍了挥发性弱电解质水溶液体系的相平衡热力学模型。

The phase balance of the central frequency can ensure the accuracy of the correlation phase, and the residual phase error will only reduce the coherency.

实现信道中心频率的相位精度就可以保证干涉相位的精度，而通道内的残余相位差只会引起干涉相关度的降低。

The content is below: 1 Different initial water-saturated rocks are prepared for the experiment by the theory of gas-liquid two phase balance.

本文主要从以下四个方面展开工作：1、首先利用气-液双相平衡原理制取了试验所需要的三种中间含水状态的岩样。

A theory of automatic phase balance of AC bridge

电桥相位自动平衡的一个理论

Also, combining the percolation equation with the phase balance calculating theory and the initial conditions and constant pressure boundary conditions, the mathematical model is developed to predict the production performance of condensate gas wells after fracturing.

应用物质平衡原理和运动方程建立了总烃和第i组分烃的渗流方程，结合相平衡计算理论、初始条件和定压边界条件，提出了预测压裂后凝析气井生产动态的数学模型；

Solubility and Liquid-Liquid Phase Balance of Isopropyl Alcohol-Ammonium Sulfate-Water Ternary

异丙醇-水-硫酸铵的溶解度和液-液相平衡

Only if the two phase balance development of scale and technical aspects of effective cooperation, the overall efficiency of the property insurance industry can comprehensively improve.

两阶段均衡发展，规模和技术层面有效配合，才能全面提高财险业整体效率。

Theoretical basis of thermodynamics on fluid phase balance is studied in this paper, and estimating rule of thermoelectrical equilibrium with interfacial phenomena is analyzed. Adsorption theoretical model is evaluated on the base of essential theory of adsorption.

本文研究了流体相平衡的热力学理论基础，并分析了存在界面现象时的热力学判据，研究了吸附的基本理论，选择了空穴溶液理论模型计算凝析气在多孔介质表面的吸附；

Three phase balance analyzing in brief of the electrode of titania slags smelting

冶炼钛渣电极三相功率平衡简析

Its theoretical base is the theory of the phase balance of the supercritical CO_2 fluid which has been researched continually over the past two decades, and the related mathematical models of the supercritical CO_2 fluid extraction which has been researched in the academic circle.

其理论基础是近二十多年来国际、国内一直进行研究的超临界二氧化碳流体相平衡的理论与学术界研究的超临界二氧化碳流体萃取的相关数学模型。

The Phase Balance Design Method for Binary Lens and Accumulating Diffractive Analysis

二元微透镜的位相平衡设计及叠加积分衍射分析

And also mathematical model is built and concluded that this method can keep current continuously, which ensures each phase balance and the carrier wave ratio is 2n+ 1 multiple of 3.

该方法实现简单，可使直流侧电流无断路。通过数学建模和分析得知：位置反相交叉保证了电流的连续性；载波比为3的整数倍且为奇数，保证了各相的功率平衡。

This article points out a misconception in physical chemistry "the value of Gibbs function is equal when Binary System of pure substance is in phase balance".

指出了“单元复相系平衡状态时，两相中的吉布斯函数值相等”说法的错误。

Integrating percolating mechanics with rock mechanics and hypothesizing the reservoir is elastic-plastic, a mathematical model for percolation-solid phase balance is abstractly presented;

将渗流力学和岩土力学相结合，建立了含水力压裂裂缝的储层渗流和固相平衡的数学模型；

For the profound comprehending of Gibbs function and conditions of phase balance, the paper deduces one of the phase balance conditions is the chemical potential being equal in different phases.

通过对吉布斯函数定义的再认识和单元两相系平衡条件的推导得出单元复相系相平衡的条件之一是具有强度性质的各相化学式相等。