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- The asphalt smoke concentration in air is quantitatively determined by catalysisoxidation and infra red analysis. 通过催化氧化和红外分析，实现了空气中沥青烟浓度的定量测定，方法简易。
- Based on photoelectric detecting principles,an advanced smoke concentration automatic measuring system with computer and photoactive sensor has been developed. 根据光电检测原理,并结合计算机研制出一种先进的烟尘浓度测定系统。
- It is not permissible to manufacture, market, or import boilers that fail to conform with the smoke concentration and blackness standards as referred to under paragraph one of this Article. 不得制造、销售和进口不符合本条第一款所指烟尘浓度和烟气黑度标准的锅炉。
- It is mandatory for boiler manufacturers to state the standards of smoke concentration and blackness affected during initial discharge of their boilers on the latter's data plates, or in the latter's product manuals. 锅炉制造厂必须在锅炉产品铭牌或者说明书中注明锅炉初始排放的烟尘浓度和烟气黑度标准。
- Under the assumption of the constant temperature, pressure, smoke concentration within each layer and by using conservation of mass, energy, components and the state equation of the ideal gas, a multi-layer zone model is introduced. 通过假定每个水平控制层内的物理参数(如温度、压强、烟气浓度等)为均匀分布,并运用质量守恒原理、能量守恒原理、组分守恒方程以及理想气体状态方程,建立了一个可以获得火灾发展过程中温度和浓度垂向分布的多层区域模型。
- The measurement of the smoke concentration has been classified as sigle ponint at remote location and the scattering multi-point coving the full spacee according to the research objects. 对烟气成分的测量还根据研究目的的不同分为单点在线连续测量和多点分布离散测量。
- DCF oil is pure and pellucid, with a crystal color and a smell of natural fragrance.It is praised as Kitchen Health Oil Smoke Expert for the lowest oil smoke concentration in normal cooking. 德可福清香花生油色泽清亮，味道天然清香，常规烹饪几乎没有油烟，被誉为厨房健康专家。
- It was once thought unmanly not to drink and smoke. 身为男子不抽烟不喝酒曾视为无男子气概。
- The castle was hidden behind a curtain of smoke. 城堡被一层烟雾遮掩着。
- It's too hot to concentrate on book. 热得不能集中心思看书。
- The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 机动车的尾部排气管排出有毒的浓烟。
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。
- A good cigarette will smoke at least ten minutes. 一支好烟至少可以抽10分钟。
- He used to smoke a pack of cigarette a day. 他过去经常一天抽一包香烟。
- I can't concentrate on my work when I'm tired. 我累了就无法集中精力工作。
- Smoke was rolling up from the burning oil up smoke. 正在燃烧的汽油箱上浓烟滚滚。
- So be it. We shall smoke the pipe of peace. 好吧，咱们抽袋烟言和吧！
- The smoke from chimney is spreading out in the sky. 烟囱冒出的烟正在空中散开。
- Don't put me off when I'm trying to concentrate. 我正要集中注意力呢，别打搅我。
- We must concentrate our attention on efficiency. 我们必须把注意力集中在效率上。
