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- The dispersity of 5 kinds of diesel particles were collected and detected by using high volume air sampler with DFG-1 meter, and 3 kinds of diesel exhaust particles were extracted and analysed. 利用DFJ－1型五码分级器对3种型号柴油机车排出颗粒物进行分级采样，并对此3型颗粒物进行有机提取物组分分析。
- Diesel exhaust particles 汽车尾气颗粒物
- Some of these fine particles--suspended in air as primary organic aerosols--are tiny flecks rich in carbon, often from sources such as diesel exhaust. 在这些作为初级有机气溶胶悬浮在空气中的细微颗粒当中，有些是富含碳元素的小尘粒，来源是柴油车尾气之类的排放。
- A contrail occurs when the jet's water vapor condenses around its own exhaust particles. 我们所看到的每一层云都是由雨滴或象这样的水晶组成的，所以就叫做轨迹。
- Even short-term exposure to fumes (such as diesel exhaust) can result in cough, phlegm, and lung irritation, for instance. 比方说短时间的接触烟尘（比如柴油机废气）可能导致咳嗽，痰液，肺脏刺激。
- The soluble organic fractions (SOF) in diesel exhaust particulates have been extracted with ultrasonic separator and analyzed by gas chromatography/mass spectrometry (GC/MS). 采用气相色谱质谱联用技术(GC/MS)对柴油机排气微粒中的可溶性有机组分(SOF)进行了分离分析。
- The non-air-conditioned cabin, already cloying in the monsoon humidity, fills with diesel exhaust as thousands of trucks jostle to pass through a toll plaza on the highway. 车内没有空调，印度雨季的湿气使车里的人很倒胃口。阿兰格的卡车现在和成千上万的卡车挤在一起，争相通过高速公路上的一个收费广场。
- ZHANG Jin-feng, WANG Zhe, CUI Yun-wen, et al.Study micronucleus and SCE of various cell induced by diesel exhaust particulates[J].China J of Eugenic and Genetic, 1999,7(2) :39-40. [3]张瑾峰;王哲;崔允文;等.;柴油机排出颗粒物诱导各种细胞微核和SCE的研究[J]
- The new changes specifically address the potential effects of small levels of calcium and magnesium on particulate traps used as part of the diesel exhaust after-treatment systems. 新的特殊的改变主要是微量元素钙和镁的潜在的低水平的影响，他们通常会成为柴油机后处理系统中随排气装置排出的微粒。
- A new type of smokemeter of fluid-separating and transphotometry was developed.The meter is precise,portable and simple in structure,is appliable to dynamic determination of diesel exhaust. 研制了一种新型分流透光式烟度计，可适用于柴油机排烟的动态监测，具有结构简单、精度高、易于携带等优点。
- The research trend in the after-treatment technology of diesel exhausts has been proposed. 本文分析探讨了柴油机排气颗粒物的组成、危害及后处理技术。
- Study on the Vibration Stress of a Diesel Exhaust Manifold 柴油机排烟管在振动条件下的强度分析
- 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。
- The particles in an atom are infinitely small. 原子里的粒子极小。
- He is studying the properties of these particles. 他在研究这些粒子的性质。
- Such fine particles suspend readily in water. 这种微粒极易悬浮在水中。
- Light often behaves as if it were made of particles. 光常常表现出好象它是由粒子组成似的。
- The tractor is powered by a diesel engine. 这台曳引机是用柴油机发动的。
- Substances consist of small particles called molecules. 物质是由叫做分子的微粒组成的。
- Simulation Experiment for Adaptive Active Control of a Diesel Exhaust Noise 发动机排气自适应有源消声控制仿真实验
