恒定的

Studies on preparation of ultra-micro spice powder of Daokou Carbonado flavor by freeze grinding technology;2. Studies on supercritical CO_2 extraction of spice blends of Daokou Carbonado flavor were carded out in this paper.

在 CO_2流速和分离压力恒定的条件下，通过单因素和正交试验探讨了萃取压力、萃取温度、萃取时间、分离温度四个参数对本公司开发的道口烧鸡风味复合辛香料进行超临界 CO_2萃取的影响，并确定了最佳提取工艺：萃取压力30MPa、萃取温度50℃、萃取时间120min、分离温度30℃、CO_2流速为20g/min，分离压力为10MPa。

We've seen already how maintaining a constant base current through an active transistor results in the regulation of collector current, according to the β ratio.

我们已经看到有源晶体管的恒定的基极电流是如何以系数β控制集电极电流的。

It appears to cause a constant sunward acceleration of (8.74 ± 1.33)× 1010 m/s2 for both spacecraft.

这个力对所有的探测器都产生了一个恒定的指向太阳的加速度，大小为：(8.74 ± 1.33)× 1010 米/秒2。

The second piece of luck is that all over the Earth there is a constant vertical electrical field.

第二个比较幸运的地方是，遍布全世界的范围内都有一个恒定的垂直磁场。

You want to be moving at a constant speed with good balance over your skis.

你想在一个拥有良好的平衡你的滑雪恒定的速度移动。

The involute tooth shape is one that results in a constant velocity ratio, and is the most commonly used of such shapes today.

渐开线状的齿就可以提供恒定的速度比，它也是目前最常用的齿轮形状之一。

Recent experiments on the Si (111)(7×7)-(1×1) phase transition showed that when the temperature is raised above the critical temperature, a 7×7 island decays to zero at a constant area decay rate which increases with the size of the initial area.

近期Si(111)(7×7)-(1×1)相变的实验研究发现，将温度升高到相变温度以上时，7×7岛面积以恒定的衰减速率随时间减小至零，且初始面积越大的岛这个衰减速率就越大。

The distributor plate at the bottom of the column. A constant high flow rate and head of water in the column and at the eductor inlet is maintained by circulating it through a pump and storage tank, in a closed loop.

用内环流中的泵和储水罐中的循环水来维持气馏柱和喷射口部分恒定的高速水流。

Zone is the range of enmironmental temperatures in which an endotherm has only to exert a minimum metabolic effort in order to maintain a constant body temperature.

热中性区是环境的温度范围，在这个温度范围内，内温动物仅使用一个最小的代谢率以维持恒定的体温。

The thermoneutral zone is the range of enmironmental temperatures in which an endotherm has only to exert a minimum metabolic effort in order to maintain a constant body temperature.

热中性区是环境的温度范围，在这个温度范围内，内温动物仅使用一个最小的代谢率以维持恒定的体温。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。