Vapour

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  • Part 2 of ebook "Refrigeration and Air-Conditioning" provides to reader the following contents: Food refrigeration – product by product; refrigerated transport, handling and distribution; industrial uses of refrigeration; air and water vapour mixtures; practical air treatment cycles; air movement;... and other contents. Inviting you to refer.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Low Temperature Growth of In2O3 and InN Nanocrystals on Si(111) via Chemical Vapour Deposition Based on the Sublimation of NH4Cl in In

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Synthesis of Tin Nitride SnxNy Nanowires by Chemical Vapour Deposition

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  • The present work describes an experimental study on sewage sludge pyrolysis in a Fluidised Bed Reactor(FluBR) and the effect on the pyrolysis liquid product of passing the hot exhaust (pyrolysis) vapours through a Fixed Bed Reactor (FixBR) filled with gamma-alumina (c-Al2O3).

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  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí lâm nghiệp đề tài: Within-crown variation in leaf conductance of Norway spruce: effects of irradiance, vapour pressure deficit, leaf water status and plant hydraulic constraints...

    pdf11p toshiba4 20-09-2011 24 1   Download

  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế, đề tài: "Micrometeorological assessment of sensitivity of canopy resistance to vapour pressure deficit in a Mediterranean oak forest ...

    pdf8p toshiba6 07-10-2011 17 1   Download

  • (BQ) Part 1 book "Methods for the calculation of physical effects" has contents: General introduction, outflow and spray release, pool evaporation, vapour cloud dispersion.

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  • (BQ) Part 2 book "Methods for the calculation of physical effects" has contents: Vapour cloud explosion, heat flux from fires, ruptures of vessels, interfacing of models.

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  • The known dependency between the hardness and abrasion resistance became the foundation for the development of harder and harder coating materials. The progress in the field of producing coatings in the physical vapour deposition process enables the obtainment of coatings of nanocrystal structure presenting high mechanical and usable properties.

    pdf404p samsungwifi 09-04-2012 103 29   Download

  • This first part is concerned with processes in which the kinetic behaviour of a gaseous phase is rate-determining. The range of processes includes some which are carried out in vacuum systems in which Knudsen or free evaporation occurs from a condensed phase, to transport reactions where a chemical reaction occurs between a solid and the gaseous phase to produce molecular species containing some or all of the elements occurring in the solid phase.

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  • Storage tanks have been widely used in many industrial particularly in the oil refinery and petrochemical industry which are to store a multitude of different product with crude oil as one if it. There are different types of tank such as fixed roof tank, open roof tank, floating roof tank etc. Floating roof tank is which the roof floats directly on top of the product, with no vapour space and eliminating the possibility of flammable atmosphere.

    pdf189p dung_can 15-01-2013 40 20   Download

  • Distillation is probably one of the oldest systematic processes in the field of chemistry and chemical engineering which goes back to the first century AD. The initial concepts were applied in the production of distilled water. Distillation was a single step batch process at the beginning. However, fractional distillation as is used today was developed more than 10 centuries later.

    pdf294p qsczaxewd 22-09-2012 41 18   Download

  • Anthropogenic air pollution constitutes of many substances. Greenhouse gases absorb and reflect some of the infrared parts of solar radiation reflected from the earth surface thus causing the troposphere to be warmer. Among others, these substances are carbone-dioxide, water vapour, hydrogen oxides, nitrogen-oxides and methane. Beyond causing warming, most of these gases are poisonous to the Earth’s biosphere. Besides greenhouse gases, there are a few more poisonous substances which have anthropogenic sources.

    pdf378p 123859674 04-07-2012 55 10   Download

  • Human beings need to breathe oxygen diluted in certain quantity of inert gas for living. In the atmosphere, there is a gas mixture of, mainly, oxygen and nitrogen, in appropriate proportions. However, the air also contains other gases, vapours and aerosols that humans incorporate when breathing and whose composition and concentration vary spatially. Some of these are physiologically inert. Air pollution has become a problem of major concern in the last few decades as it has caused negative effects on human health, nature and properties....

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  • Nucleate pool boiling is a daily phenomenon transferring effectively high heat flux. It is, however, a very complex and illusive process because of the interrelation of numerous factors and effects as the nucleate process, the growth of the bubbles, the interaction between the heater’s surface with liquid and vapor, the evaporation process at the liquidvapor interface, and the transport process of vapour and hot liquid away from the heater’s surface.

    pdf224p 123859674 04-07-2012 46 8   Download

  • Secondary aerosol is produced by the oxidation of primary gases (sulphur dioxide, SO2, nitrogen oxides, NOx, and volatile organic compounds, VOCs,) to sulphuric and nitric acid, and organic vapours, followed by their gas-particle conversion [26, 77]. Finally, some of these acidic gases can be neutralised by reaction with ammonia gas or calcium carbonate (calcite) forming secondary aerosol (ammonium sulphate, ammonium nitrate, calcium sulphate, calcium nitrate).

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  • Bài báo này giới thiệu kết quả tổng hợp PbO2 qua hai giai đoạn trên nền Ti/Pt bằng phương pháp điện hóa. Lớp trung gian Pt tạo trên Ti bằng phương pháp bay hơi hóa học (Chemical Vapour Deposition).Tỉ lệ α/β và cấu trúc hình học của lớp mạ PbO2 được nghiên cứu bằng phổ nhiễu xạ tia X, phương pháp phân cực vòng đa chu kì và kính hiển vi điện tử quét.

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  • In addition to ventilation, indoor temperature and humidity conditions, which can change both diurnally and seasonally, have the potential to substantially affect the emissions of VOCs from building materials and alter occupant exposure. In large-scale chamber experiments with new carpet systems, sheet vinyl flooring and wall paint, the air temperature was increased from 23 o C to about 30 o C over a period of 60 h (Hodgson, 1999).

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  • Thermodynamics is an essential subject in the study of the behaviour of gases and vapours in real engineering applications. This book is a complimentary follow up for the book “Engineering Thermodynamics” also published on BOOKBOON, presenting the solutions to tutorial problems, to help students to check if their solutions are correct; and if not, to show how they went wrong, and change it to get the correct answers.

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  • A slight loss of refrigerant is recognized by ‘bubbles’ in the liquid-indicating sight glass installed in the liquid line of a system, a loss of performance, partial frosting of the evaporator and lower than normal operating pressures. Refrigerant may be added in vapour form to the low side of the system if the refrigerant is azeotropic such as R502. This means that it reacts as a single substance refrigerant. The zeotropic refrigerant blends do not react in a similar manner and they should be added to a system in liquid form. ...

    pdf145p dacotaikhoan 25-04-2013 37 4   Download

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