Results 31 to 40 of about 522 (126)

Burning of forests in SNNP «Burabay» and ways to minimize it [PDF]

open access: yes, 2021
Аридизация климата, наблюдающаяся в последние десятилетия, обусловила увеличение опасности возникновения и развития лесных пожаров. Особенно это проявляется в южных районах, где лесные насаждения произрастают на границе со степью в экстремальных для них ...
Архипов, Е. В.   +2 more
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Creation of settlement effective protection from wildfires [PDF]

open access: yes, 2020
In connection with the release of new fire safety rules in forests, the issues of population and economic facilities protecting from fires are analyzed.
Зарубина, Л. В.   +3 more
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Mathematical Modeling of Heat Transfer in an Element of Combustible Plant Material When Exposed to Radiation from a Forest Fire [PDF]

open access: yes, 2019
The last few decades have been characterized by an increase in the frequency and burned area of forest fires in many countries of the world. Needles, foliage, branches, and herbaceous plants are involved in burning during forest fires.
Baranovskiy, Nikolay Viktorovich   +1 more
core   +1 more source

Available Energy Analysis of New Double-capillary Tube Refrigeration System of Refrigerator-freezer

open access: yesZhileng xuebao, 2007
A new double - capillary tube refrigeration system for refrigerator - freezers was proposed. A capillary tube was added between the two evaporators in the fresh and frozen food storage chests to raise the evaporation temperature of the fresh food, and ...
何茂刚, 宋新洲, 张颖, 张建涛
doaj  

Antifire arrangement of onhabited localities on the example of Priozerny settecment [PDF]

open access: yes, 2020
На примере пос. Приозерный Надымского района Ямало-Ненецкого автономного округа выполнено противопожарное устройство лесов, обеспечивающее защиту населенного пункта от всех видов природных пожаров.
Залесова, Е. С.   +4 more
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Комплексная оценка влияния метеорологических и антропогенных факторов на возникновение и распространение лесных пожаров на примере Западно-Сибирского региона [PDF]

open access: yes, 2022
Работа посвящена комплексной оценке влияния метеорологических и антропогенных факторов на возникновение и распространение лесных пожаров на примере Западно – Сибирского региона.
Рекичинская, Анастасия Михайловна
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Performance Study on Energy Separation in Vortex Tube with Six Channels

open access: yesZhileng xuebao, 2007
The performances of energy separation in a vortex tube were experimentally studied with compressed air to be the working medium and the influences of inlet pressure and cold mass flow fraction on cooling effect and heating effect of the vortex tube were ...
王远鹏, 聂荣华, 林明峰
doaj   +2 more sources

An Integrated Numerical Design Tool for Air-to-refrigerant Heat Exchangers

open access: yesZhileng xuebao, 2012
In order to meet the requirement of simulating different types of heat exchangers which are widely used in refrigerating system by a simulation tool, a general 3D distributed-parameter numerical design tool, HXSIM, is introduced.
Ren Tao, Ding Guoliang, Wang Tingting
doaj  

A Review on Heat Transfer Enhancement in Shell-and-tube Heat Exchanger of Compression Type Refrigeration and Air Conditioning Unit

open access: yesZhileng xuebao, 2012
Heat exchangers including condenser and evaporator are important equipments in the compression type refrigeration and air conditioning units, and their heat transfer coefficients have a direct effect on the efficiency and cost of the units.
Zhang Zhengguo   +4 more
doaj  

Динамика возникновения пожаров в лесах различных фондодержателей Республики Беларусь [PDF]

open access: yes, 2018
В статье рассматриваются вопросы динамики возникновения лесных пожаров на предприятиях Министерства лесного хозяйства и в Негорельском учебно-опытном лесхозе (НУОЛХ) –филиале Белорусского государственного университета (БГТУ) Министерства образования ...
Климчик, Геннадий Яковлевич
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