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2020-10-29 · The application of controlled release urea (CRU) has been proposed as a crucial method to reduce the adverse environmental effects induced by conventional urea (CU). Yet, a systematic and quantitative analysis on how CRU affects staple crop production including wheat (Triticum aestivum L.), maize (Zea mays L.), and rice (Oryza sativa L.) is lacking. Here, a meta-analysis was conducted to ...

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2021-6-19 · f Distillation : The first step in the refining of crude oil, whether in a. simple or a complex refinery, is the separation of the crude oil into. fractions (fractionation or distillation). These fractions are mixtures containing hydrocarbon compounds. whose boiling points lie within a specified range.

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2021-11-18 · One of the key strengths of the vertical turbine pump is in its versatility. Such pumps can generate flow from 50 to 30,000 gallons per minute (GPM) or higher. They can also be configured with multiple stages, creating the required pressure …

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2021-11-16 · Chenfei joined CRU in Feb 2019 as an Analyst within the Wire and Cable Team and is the current editor of CRU''s Wire and Cable Market Outlook. Prior to CRU, Chenfei spent 4 years working at Rolls-Royce in a variety of engineering leadership roles, with a focus on aeroengine technology development and process improvement.

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The design and optimization of a coupled multicomponent distillation system is a non-linear and multivariable problem. The complexity of this kind of problem results in high solving difficulty.

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The concurrence of drought and heatwave events has caused severe ecosystem and societal stresses, as witnessed during 2014 in California and 2003 in Europe (1, 2).Land surface and atmosphere interactions have been identified as a major driver in the occurrence of these concurrent extremes.

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Introduction to Condensate Recovery | TLV

2020-1-16 · Condensate recovery is a process to reuse the water and sensible heat contained in the discharged condensate. Recovering condensate instead of throwing it away can lead to significant savings of energy, chemical treatment and make-up water. Condensate can be reused in many different ways, for example:

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Large overhangs and the low exposed vertical areas (windows and walls) in a traditional Malay house provide good protection against driving rain, good shading, and allow the windows to be left open most of the time for ventilation (Yuan, 1987). Meanwhile, the roof angle for both cases ranges from 300 to 600.

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2021-11-23 · Since 1906 worldwide market leader in designing, manufacturing and servicing vertical roller mills for the cement, power and industrial minerals industries.

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