air content

By theoretical analysis, the air solubility formulae that are suitable for calculation of air-lift for ocean mining are established. This reflects the relationship between air solubility and pressure, relative rate of air content, diameter of air bubble, specific gravity and density of solid particle.

通过理论分析，建立了气体溶解度方程，导出了适用于大洋采矿气力提升的气体溶解度公式，它反映了气体溶解度与压力、相对含气率、气泡直径、固体颗粒比重和浓度诸因素的关系。

This paper mainly discusses the factors influencing fiber color in polymerization process of dry spining acrylon production, such as exit temperature of polymer drier, oxygen content in air blowing system and high oxygen content in mass flowmeter, finds out relative measures, achieving satisfactory results.

着重讨论干纺腈纶聚合工艺中，影响纤维颜色的因素&聚合物烘干机出口温度、风送系统氧含量、质量流量计内氧含量高，找出相应措施，取得满意的效果。

Mulching with straw increased soil water content air relative humidity, air temperature but decreased soil temperature.

姜田地面覆草可显著增加土壤含水量,降低地温,提高空气相对湿度, 但使气温稍升.

Effects of Air Content on the Durability of High Volume Fly-ash Concrete

引气含量对大掺量粉煤灰混凝土耐久性的影响

The core part of the flotation process is to control the air content and bubble size.

实现气浮工艺的核心部分是控制产生含气量和气泡大小合适的溶气水。

Air Content Effect on the Vortex Cavitation

水中空气含量对旋涡空化的影响

Tests on Air Content Improvement of Roller Compacted Concrete

影响碾压混凝土含气量的试验研究

The dependence of the spatial wavelength and the traveling velocity of the square pattern on the relative air content is obtained.

得到了正方形斑图的空间波长和运动速度随空气相对含量的变化关系曲线。

Theoretical Research on the Influence of the Air Content on the Friction Coefficient of Concrete

引气量对混凝土摩擦系数影响规律的理论探讨

To split tensile strength and flexural strength, with the increase of air content, strength increase firstly and then decrease.

对于劈裂抗拉强度和抗折强度而言，随着含气量的增加，强度先增加后减小。

Methods: According to" hazardous substances in workplace air monitoring, sampling rule ( GBZ 159-2004)" in the workplace air concentrations of total dust and free silica content monitoring.

方法：依据《作业场所空气中有害物质监测的采样规范（GBZ159-2004）》对工作场所空气中总粉尘浓度和游离二氧化硅含量进行监测。

In addition, both bulk density and air content of fresh expanded pearlite thermal insulating mortar have effect on its thermal conductivity.

此外，新拌膨胀珍珠岩保温砂浆的体积密度和含气量对其导热系数有影响。

Under the same circumstance, the entrained air content of concrete tends to be lower when elevation become high.

在相同条件下，海拔增高，气压减小时，混凝土含气量减小；

Influence of Temperature and Air Content on properties of Reconstituted Milk

温度和空气含量对复原乳性质的影响

The mass flow rate of steam, the system pressure and air content are the most important factors affecting steam condensation.

我们发现，当系统压力达到0.24MPa时，含有空气的蒸汽冷凝过程中，冷凝段管壁壁温出现了一段平缓过程。总之，蒸汽流量、空气含量和系统压力是影响蒸气冷凝的重要因素。

In this paper, the methods for the determination of air content and degree of saturation of the compacted soils are also discussed.

文中也讨论了压实土料的饱和度和含气率的确定方法。

The distribution of condensation film thickness in an atmosphere with different air content is measured by using electric conductance, method.

本文用电导法测量了不同空气含量下凝结液膜厚度的分布。

It was found originally that environment atmosphere could effect the entrained air content of concrete.

首次发现环境气压能够影响混凝土的含气量。

Control measures for railroad concrete air content in upland seasonal frosty area

高原季节性冻土地区铁路混凝土含气量施工控制措施

The results showed that the air content ratio would be increased with the air intake quantity and frother density increased.

结果表明：气含率随进气量和起泡剂浓度的增大而增大；

The effect of air content on the frost resistance of roller compacted concrete ( RCC) is discussed.

试验研究了含气量对碾压混凝土抗冻性的影响。

Influence of Air Content in Concrete to Its Mechanics Performance

混凝土含气量对其力学性能的影响

An amendment should decrease bulk density, increase total porosity, and increase water and air content.

改良剂能降低堆积密度, 增加总孔隙度, 增加水和空气的含量.

An Experiment Study on the Influence of Air Content and Curing Time on Concrete Anti-Chloride Permeability Performance

含气量和养护龄期对混凝土抗氯离子渗透性能影响的试验研究

This paper introduces the calculating formulas and their derivation process for theoretical combustion air demand and steam vapour content in flue-gas. The author believes that the calculated steam vapour content in flue-gas based on moisture in total air amount is more realistic and in higher accuracy.

介绍了锅炉燃煤所需理论空气量和烟气中水蒸气量的计算公式及推导过程，认为按总空气量的水分计算，烟气中的水蒸气更符合实际，精度高。

Low air content gave inferior melting resistance.

空气含量低则抗融性差。

Testing method for air content of hydraulic cement mortar

水泥空气含量测定法

Influencing factors of air content of concrete

混凝土中含气量影响因素的研究

An amendent should decrease bulk density, increase toltal porosity , and incr ease water and air content.

改良剂能降低容重, 增加总孔隙度, 增加水和空气的含量.

Further Approach to Influence of Air Content on Heat Transfer Coefficient and On Line Determination Method of Clean Coefficient for Condenser

空气对凝汽器传热系数的影响及清洁系数在线测定方法的进一步探讨