Due to dilution in the air, outdoor radon levels are usually very low.
鉴于在空气中的稀释，室外的氡水平通常很低。
VULCA together with DILCO dilution water feed system is used to prevent the channelling and air entrainment into the stock and to save pumping energy costs when filling the tower.
VULCA和DILCO稀释水供应系统用于防止产生沟流和防止将空气混入浆料中，并节约泵送能耗。
The mechanical exhaust can bring the smoke and air together and get rid of the smoke through the dilution of it gradually.
机械排烟造成空气与烟气的混合，主要是通过逐渐稀释来清除烟气的。
The diurnal variation of concentration of background desert aerosol is mainly controlled by air disperse dilution.
背景沙漠气溶胶浓度的日变化主要由大气扩散稀释能力控制。
In the afterburner, the complicated temperature distribution has close relation with the dilution, combustion and flow of the air and gas.
补燃室内复杂的温度分布和空气与燃气的掺混、燃烧及流动状态有密切关系。
The dilution air should be taken from the internal cabin.
稀释空气在环境舱内部取气。
Our Conditioned air Supplies provide combustion air and or dilution air at precisely regulated psychrometric conditions.
我们供气系统提供在燃烧空气和或稀释空气时的精确调节温度。
Finally a calculating method for air supply in mining area by dilution equation was proposed.
最后给出了运用稀释方程计算采场供风量的方法。
The intensity of the gas backflow and axial swirl ond the dilution in the afterburner are enhanced by increasing the air-to-fuel ratio, and then the combustion efficiency is improved.
提高空燃比，可增强补燃室中燃气的回流和轴向涡流强度，加大掺混力度，从而提高燃烧效率。
The results indicate delamination air-condition of dilution air-supply method can be used for air- conditioning in a large space building of dilution air-supply method.
结果表明：稀释型（上送）方式的分层空调在大空间建筑空调中是较好的送风方式。
The results indicate delamination air-condition of dilution air-supply method can be used for air- conditioning in a large space building of dilution air-supply method.
结果表明：稀释型（上送）方式的分层空调在大空间建筑空调中是较好的送风方式。
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