Why does the optical rotation of a freshly prepared solution of the α form gradually decrease with time? Why do solutions of the α andβforms (at equal concentrations)reach the same optical rotation at equilibrium ?

为什么新制的α形式的旋光度随时间逐渐降低?为什么α和β形式(在等浓度时)达到平衡时的旋光度相同?

属类：化学及生命科学-化学-化学习题

We must try to maintain the equilibrium of supply and demand.

我们必须努力保持供求均衡。

属类：综合句库--

Our planned economy is at once in equilibrium and in disequilibrium

我们的计划经济,又平衡又不平衡。

属类：综合句库--

We Marxists hold that disequilibrium, contradiction, struggle and development are absolute, while equilibrium and rest are relative

我们马克思主义者认为,不平衡,矛盾,斗争,发展,是绝对的,而平衡,静止,是相对的。

属类：综合句库--

We have described the stress tensor arising from equilibrium considerations and the strain tensor arising from kinematical considerations

我们已经叙述了应力张量和应变张量的有关概念和某些特质,它们是分别从平衡的角度和运动的角度推导而得的。

属类：综合句库--

I believe this state of equilibrium will be maintained.

我相信这个均势将被维持。

属类：综合句库--

The absorption isotherms are equilibrium equations

吸附等温线是平衡方程式。

属类：综合句库--

In contrast, a freshly prepared solution (1 g/mL)of β-D-galactose shows an optical rotation of only +52.8°. Moreover, the rotation increases over time to an equilibrium value of +80.2°, identical to that reached by α-D-galactose.

相反,一新制的β-D-半乳糖溶液(1g/mL)表现+52.8o的旋光度,但其旋光度随时间的推移逐渐增加到平衡的+80.2°。这与α-D-半乳糖达到平衡时的值一样。

属类：化学及生命科学-化学-化学习题

The phase equilibrium is a function of the system temperature. As the temperature of the liquid phase increases, so will the vapor pressure; the converse is also true.

相平衡使系统温度的一个功能。当液相温度上升时,蒸气压也会上升;反过来也是如此。

属类：产品说明书-产品安全-

equilibrium of receipts and payments of credit funds

信贷收支平衡

属类：综合句库--

The research, development, and proliferation of sophisticated anti-missile global strategic equilibrium hinges will inevitably exert an extensive negative impact on international security or neutralizing international efforts of nuclear disarmament and nuclear non-proliferation.

研制、部署和扩散先进的反导系统,修改甚至退出已达成的维系全球战略平衡的军控条约,势必对国际安全与稳定产生广泛的消极影响,在新的领域引发新一轮军备竞赛,从而严重阻碍或抵消国际核裁军和防核扩散的努力。

属类：口语表达-演讲-

A freshly prepared solution of α-D-galactose (1g/mL in a 10 cm cell)shows an optical rotation of +150.7o Over time, the observed rotation of the solution gradually decreases and reaches an equilibrium value of +80.2°.

一新制的α-D-半乳糖溶液(1g/mL,光径为10cm)表现+150.7o的旋光度。随时间的推移,观察到此溶液的旋光度逐渐降低,达到平衡时为+80.2°。

属类：化学及生命科学-化学-化学习题

An oxidation-reduction reaction;oxidation-reduction equilibrium .

一氧化还原反应,氧化还原平衡

属类：综合句库--

Given that ΔG’° for the PFK-1 reaction is-14.2 kJ/mol, calculate the equilibrium constant for the reaction.

已知PFK-1反应的ΔG’°为-14.2kJ/mol,计算此反应的平衡常数。

属类：化学及生命科学-化学-化学习题

We thus conclude that a solution is possible by considerations of equilibrium only, and that the structure is statically determinate

因此得到结论,只用平衡条件可以求解的结构是静定结构。

属类：综合句库--

The minerals in milk are therefore in a complex equilibrium between a number of states. This equilibrium is commonly known as the salt balance.

因此乳中各矿物质处于多种状态的复杂平衡之中,我们常称这种平衡为盐平衡。

属类：工程技术-食品工程-

Because of their inertia, the electrons will overshoot and oscillate around their equilibrium positions with a characteristic frequency known as the plasma frequency.

因为电子的惯性,它们将冲过平衡位置,并以特征频率围绕它们的平衡位置振荡。

属类：综合句库-典型例句-

Because of this rapid attainment of equilibrium it is not practical to measure the temperature difference between gas and solid at the bed exit

由于达到平衡很快,故测定床层出口处的气体和固体温度差是不实际的。

属类：综合句库--

To sway or waver as if losing or regaining equilibrium .

犹豫不决摇摆或晃动,好象失去或恢复平衡

属类：综合句库--

Though it is sometimes possible to bring about supersaturation (a concentration exceeding the equilibrium value), such solutions or vapours are unstable and spontaneously revert to the saturated state, accompanied by the transformation of the excess material to the solid or liquid form (precipitation).

有时可以让溶液达到超饱和状态(超过平衡的浓度),这样的溶液或蒸汽是不稳定的,且可以在瞬间变成饱和状态。

属类：化学及生命科学-化学-

Sometimes, contradictions arise and the equilibrium is upset because our subjective arrangements do not conform to objective reality; this is what we call making a mistake

有时因为主观安排不符合客观情况,发生矛盾,破坏平衡,这就叫做犯错误。

属类：综合句库--

When Next magazine, a Hong Kong scandal weekly, was launched on the island last month, not only has it changed the equilibrium in the magazine market, but it has also aroused fear in politicians and showbiz personalities there.

原在香港发行的《壹周刊》,5月底在台湾创刊,不但打乱了台湾杂志市场的平衡生态,也引起政治人物和影歌视明星自危的心理。

属类：社会文化-新闻报道-

In the range ab, the equilibrium is neither stable nor unstable, that is why it is called neutral equilibrium

在ab范围内,这个平衡既不是稳定平衡也不是不稳定平衡,这就是为什么叫做随遇平衡的原因。

属类：综合句库--

In pure competition, as expounded by the late-nineteenth-century economist marshall, entry and exit determine the long-run equilibrium of an industry

在纯粹竞争条件下,正象十九世纪后期的经济学家马歇尔揭示的那样,加入和离开决定某一工业部门的长期平衡。

属类：综合句库--

During a part of each oscillation, a region whose pressure is above the equilibrium pressure is formed.

在某一振动的某一阶段,形成了压力大于平衡压力的区域。

属类：综合句库-典型例句-

Selection of resistant forms in old systems could even be detrimental under certain conditions by disturbing the equilibrium

在年老的系统中,抗性类型的选择,在某些情况下由于破坏了平衡,甚至可能是有害的。

属类：综合句库--

Some melt carry-over improves the wetting and equilibrium growth conditions

在其中携带一点熔体会改善浸润情况和平衡生长条件。

属类：综合句库--

The measured ratio of [Pi] to [glucose 1-phosphate] in myocytes under physiological conditions is more than 100 to 1. Why are the equilibrium and physiological ratios different? What is the possible significance of this difference?

在生理条件下肌细胞中[Pi]和[1-磷酸葡萄糖]的比例大于100:1。为什么生理比例和平衡比例不一样?这种不同可能有什么意义?

属类：化学及生命科学-化学-化学习题

During the transience the electron and photon populations deviate slightly from their equilibrium values respectively

在瞬态过程中,电子和光子的密度各稍微偏离其平衡值。

属类：综合句库--

It is often difficult to find a proper equilibrium between stability and variability.

在稳定性和变化性之间通常很难找到适当的平衡。

属类：综合句库--