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After taking those factors, such as stable combustion and reducing pollutant emissions into account, the following operation parameters are recommended: combustion temperature between 850℃ and 860℃, excess air coefficient of 1.35, secondary air fraction 40% and mass mixing ratio 30%.

综合考虑稳定燃烧和降低污染物排放等因素，得出一系列最佳燃烧参数。燃烧温度应该控制在850~860℃，过剩空气系数应该控制在1.35左右，二次风率应该控制在40%左右，质量掺混比应该控制在30%左右。

Contemplating the history and development of the museum profession, the comparison that springs irresistibly to mind is with the coelacanth, that remarkble creature whose brain, in the course of its development from embryo to adult, shrinks in relation to its size, so that in the end it occupies only a fraction of the space available to it.

我在考察博物馆专业的历史和发展时，常不自禁的将之拿来和腔棘鱼相比，这是一种特殊的鱼类，它的脑袋在发育过程中逐渐萎缩，以致成鱼的脑袋只占了脑壳的一小部份，与其偌大身躯几乎不成比例。

Interestingly, the soils in this area show clay fraction migration, which is different from other cold desert soils.

这是人类首次在东南极内陆发现的土壤，属于南极冷荒漠土壤。

There is no improvement in solar heating fraction if the seasonal storage is used to only store heat and not to store cold energy;Ⅳ.

而中国大多数地区太阳能资源是很丰富的，因此，在这些地方充分利用太阳能来供热供冷具有很好的前景。

Therefore, 30 to 35% of bone is collagen with a tiny fraction of other compounds.

因此，骨的30%-35%是骨胶原并含有一小部分的有机化合物。

As for showing the bactericidal action where this medicine is strong, the penicillin connection characteristic protein which uses the membrane fraction of colon bacillus K-12 result and PBPS which examined the affinity for?

至于显示这医学是强的杀菌行动，青霉素连接典型蛋白质哪些使用冒号杆菌的膜分数K-12 结果和PBPS 哪些审查了亲合力为？

What fraction of their children are likely to suffer from color blindness?

他们的孩子的什麽分数可能遭受色盲？

Particularly, when the dimension of input space of the column reduced interval polynomial fraction model is one, the result can be reduced to the well-known Box theorem in robust control.

为了使这种模型更接近于实际系统，文中分别采用了范数有界的加性扰动和乘性扰动以及Gap度量来反映系统的非结构扰动部分。

Earthworms comminute the mineral fraction of soils.

蚯蚓粉碎土壤中的无机物碎片。

The expression written below the line in a common fraction that indicates the number of parts into which one whole is divided.

名称在公分式的分数线下的表达式，它指明了一个整个被划分的部分的数目

It's not quite as simple as that.

并没有那么容易。

It debuted in 1992 in Japan and the United Kingdom, and 1993 in the United States.

它首次亮相于1992年在日本和英国，在美国1993年。