然而，当在实验室的恒定条件下观察硅藻时，它们仍然表现出周期性的行为，继续按计划挖掘几个星期。
However, when diatoms are observed under constant conditions in a laboratory, they still display periodic behavior, continuing to burrow on schedule for several weeks.
为此，在伊利诺斯大学艾伦·内森的领导下，物理学家们在恒定条件下对用软木填充的球棒进行了测试。
So physicists led by the University of Illinois's Alan Nathan tested corked bats under controlled conditions.
以湿空气焓值为研究对象，按理想混合气体模型和实际混合气体模型分别对含湿量恒定条件下空气的焓值进行计算比较。
The enthalpy of humid air is studied and is calculated by the ideal mixture model and real mixture model respectively, then the calculation results are compared.
但是，在这些条件下，这些物理量，如果我们考察自由能的变化,例如在恒定的温度和压强下，我们仍然可以计算。
Whereas under these conditions, these quantities, if you look at free energy change, for example at constant temperature and pressure, H you can still calculate H.
而它们中的一些保持恒定不变，因变量按某种自然的方式变化，从而维持约束条件。
Some of them are held fixed, and then some dependent variable does whatever it must so that the constraint keeps holding.
以上解释只适用于“当其他条件恒定”的情况。
The previous explanation applies only to cases where "all else remains equal."
z恒定，先不管限制条件。，Y，and，z，are，held，constant。，And，，we，forget，the，constraint。,它和限制条件是不相容的，先不管，那这些就是,忽略限制条件时，由公式计算而得的结果。
y This is not compatible with a constraint, but we don't care. So, that's the guy that we compute just from the formula for f ignoring the constraints.
实验结果表明，在压力恒定的条件下，可通过控制喷嘴开启量大小获得不同的注射充填速度。
As a result, it was found that injection speed could be increased through varying nozzle port opening width under keeping constant injection pressure.
这就是我们在，恒定温度和压强下的平衡条件。
There's our condition for equilibrium at constant temperature and pressure.
HID氙气灯必须工作在恒定功率条件下，通常采用功率误差检测环路来实现。
HID Xenon gas lamp must operate under constant power supplying. Normally it is realized with power error detecting loop.
在假定桩土接触面不产生滑移的条件下，确定在桩基础沉降过程中与能量守恒定律等效的位移协调方程，并在此基础上建立了一种新的单桩沉降计算方法。
Assuming no slippage occurred on the interface between pile and soil, an equivalent equation of displacement coordination is obtained to constitute a new method calculating settlement of single pile.
在保持子载波数恒定的条件下减少循环前缀的长度，并推导出最优分集合并系数。
We reduce the length of cyclic prefix (CP) while the number of carriers remains invariable and the optimal diversity combination coefficients were deduced.
在此条件下，就能得到一个不随负荷而变化的恒定系数。
Under this conditions a constant coefficient, independent of load , can be obtained.
身体大多数器官的功能是适应于维持此内环境中物理条件和溶解物质浓度的恒定。
The functions of most of the organs of the body are geared toward maintaining constant physical conditions and concentrations of dissolved substances in this internal environment.
研究了全球卫星定位系统（ GPS）自动归航系统在恒定风场中归航轨迹的计算，探讨了系统能够达到预定目标点的条件，给出系统在几种变化风场中的轨迹图。
This paper analyses the trajectory of GPS automatics homing system in constant wind fields , and discusses the condition under which the gliding parachute system could reach preassigned location.
沥青是在恒定的操作条件下蒸馏制备的。
Pitches were prepared by distillation under constant operating conditions.
用具备急性胆瘘的大鼠在人工维持胆汁酸池恒定的条件下，观察LHA微量注射TRH对胆汁分泌的影响。
Under constant intravenous infusion of taurocholate to keep the bile acid pool steady, the effect of LHA injection of TRH on bile secretion was studied in rats with acute bile duct fistulae.
控制反应条件为酸性和臭氧浓度恒定，再在酸性溶液中添加叔丁醇，以忽略自由基的影响。
Controlling reaction conditions for acid and ozone concentration, to ignore the effects of · OH by adding the tert-butanol in acid solution.
本文介绍了在恒定干燥条件下钼酸钠干燥速率曲线的测定方法。
In this paper, the method for determining the drying rate curves of sodium molybdate under constant drying conditions was given.
现在，如果在某些条件下，热泵所产生的热能超出了它所消耗的电能，能量守恒定律即已遭到质疑了吗？
Now, if under certain conditions a heat pump puts out more thermal energy than it consumes in electrical energy, has the law of energy conservation been challenged?
任何制度优势都只能是一定时空条件下的“比较制度优势”，若将一种制度模式在一定时空条件下的比较优势理解为恒定优势，就极易导致制度僵化与制度惰性。
Since any structural advantage is a comparative one in a certain space-time, if it is misunderstood as invariable, it will probably lead to structural rigidity and inertia.
在测量过程前，轴的转速必须恒定，过程中，不允许调整油门和改变机械运行条件。
It is essential that the shaft RPM be steadied prior to entering the measured course. Throttle and machinery operating conditions shall not be adjusted during the run.
系统地阐明机械能守恒定律无条件服从力学相对性原理。
It is explained that the law of conservation of mechanical energy obeys relativity principle of mechanics.
为了评价地下水水流条件的变化对放射性核素迁移行为的影响，该文以双重介质理论的裂隙迁移模型为基础，提出了非恒定流条件下单裂隙核素迁移模。
To assess how such changes may affect the nuclide transport behavior, the paper proposes a single fracture nuclide transport model under time-varying groundwater flow conditions based on t.
分析了机械能守恒的内涵及条件，对有的教材关于机械能守恒定律的表述提出了不同的见解。
This article analyses the meaning and prerequisite of conservation of mechanical energy, and poses different standpoints on describing the law of conservation of mechanical energy in some textbooks.
在恒定热流密度条件下，对单相流体分别强制轴向层流流经多孔泡沫金属换热器管内、外的流动和对流传热的均匀性进行了分析。
The distributions of velocity and temperature of fluid inside the tube fitted with the porous metal foam were more uniform than that of the blank tube.
简单催化模型的一个基本适应条件是：在疾病流行期间其感染力保持恒定。
One of the basic assumption of the simple catalytic model is that during the period of the diseases prevalence, the force of infection is a constant.
简单催化模型的一个基本适应条件是：在疾病流行期间其感染力保持恒定。
One of the basic assumption of the simple catalytic model is that during the period of the diseases prevalence, the force of infection is a constant.
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