surface frost的例句大全

combined with the climate feature in frigid zone, this paper states that decreasing broken board in construction, improving road surface frost resistance and assure good usage status is the important part of mixing proportion design of cement-concrete road surface.

本文结合寒带地区的气候特点，减少施工过程的断板率，提高路面抗冻耐久性，保证路面良好的使用状态是水泥砼路面配合比设计中的重点。

According to frost index defined by the minimun temperature ≤ 0 ℃ of earth surface, the criterion for the unusual frost is quantitatively given and the climatic features of the unusual first or last frost in North China during 1953-1990 are studied.

本文利用1953～1990年地面最低温度资料，并以≤0℃作为霜冻指标，定量地确定出现异常霜冻判别标准，研究了华北地区初、终霜冻异常的气候特征。

Improvement of Surface Properties of Transparent Material for Anti-fogging and Anti-frosting

透明材料的表面改性与防雾防霜性

Similar to the results obtained for the copper surface, for aluminum surface at temperature above-38 ℃, super-cooled water droplets were observed before frost crystal formed on the surface;

与先前的铜表面实验结果类似，在冷面温度高于-38℃时，结霜前铝面上首先出现水珠；

Experimental study of initial state of frost formation on flat surface

壁面结霜初始状态实验研究

Study on the randomness of frost formation on a cold flat surface

水平冷表面上结霜发生随机性研究

Effect of ultrasound on restraining frost formation on flat surface

超声波抑制平板表面结霜的试验研究

First frost The Study of Surface Cracks Ream on Overlay of Hydrogenation Reactor

热壁加氢反应器堆焊层表面裂纹扩展初析

By this system, environment temperature and humidity, cold surface temperature and contact angle can be adjusted for observing frost growth at different circumstance.

通过这套系统，可以调整环境温度湿度，冷表面的温度以及表面接触角，来研究不同条件下霜层的生长状况。

The Study of Frost Growth Regularity on Vertical Cold Surface in Natural Convection

自然对流条件下竖直冷平板霜生长规律的研究

The transient heating capacity, coefficient of performance ( COP), cycle parameters of the ASHP system and frost accumulation amount on the outdoor heat exchanger surface, wall temperature distribution along the heat exchange tubes are measured under frosting conditions.

测量了该空调器在不同室外温度、湿度条件下制热量、性能系数（COP）、系统循环参数、室外换热器结霜量及壁面温度分布随结霜时间的变化。

Tangential frost-heave force is perpendicular to frozen frontal surface and is parallel to side surface of foundation which is a pulling force make foundation move as the frost heave deformation of soil.

其中切向冻胀力垂直于冻结锋面，平行作用于基础垂向侧表面，且通过影响基础与冻土间的冻结强度，使基础随着土体的冻胀变形而产生向上位移的拔起力。

a simplified model for estimating frost layer thickness on surface

计算表面霜层厚度的简化模型

The process of frost formation on horizontal aluminum surface in natural convection was experimentally studied.

实验研究了自然对流时水平铝表面上的结霜现象.

Boldwood was listlessly noting how the frost had hardened the surface of the snow.

博尔德伍德心不在焉地看着冰凌怎样使雪地的表面变硬.

It was also testified that the weigh of the water coagulated on the cold surface was not changed when the coat was brushed on the surface so it was through absorbing the water in the air that the coat controls frost growth but not through reducing the coagulated water;

通过实验还证明了这种涂层并没有减少冷壁面上水量的凝结，而是靠其吸收了凝结在壁面上的水分起到了抑霜的作用；

Thus, understanding the spatial and temporal variation of thermal distribution on the roadbed surface is significant to monitor and prevent the roadbed frost-defrost disease and to keep its stability.

因此，了解路基表面热状况的时空变化规律对监测和防治路基冻融病害、保证路基稳定性具有重要意义。

Cause analysis of radiator tube bundles' frost-crack for indirect air-cooled system with surface condenser

带表面式凝汽器间接空冷系统散热器循环水管束冻裂原因分析