Results 21 to 30 of about 909,554 (261)

Research on Furnace Temperature Curve Based on Heat Convection and Heat Radiation [PDF]

open access: yesE3S Web of Conferences, 2021
Insights into the mechanism of reflow soldering temperature curve, a mathematical model of the temperature change of the circuit board surface is established. The heat transfer methods, heat radiation and heat convection is analyzed in detail.
Lei Qiaoyun   +3 more
doaj   +1 more source

Diagnosis Miskonsepsi Siswa SMA di Kota Malang pada Konsep Suhu dan Kalor Menggunakan Three Tier Test

open access: yesJPFT (Jurnal Pendidikan Fisika dan Teknologi), 2017
Misconception is one of the cause of students' learning difficulties, especially on physics. Misconceptions experienced by students needs to be diagnosed and its results used to improve learning.
Sri Nurul Wahidah S.   +2 more
doaj   +1 more source

Pengaruh Blended Learning terhadap Kemampuan Berpikir Kritis Siswa SMA pada Materi Suhu dan Kalor

open access: yesJurnal Pendidikan: Teori, Penelitian, dan Pengembangan, 2019
: The purpose of this research is to know the effect of blended learning on students' critical thinking skills in the heat and temperature material. The sample of this study was students of SMA Negeri 5 Malang consisting of 2 class, that is XI G-3 class ...
Anggian Anggraeni   +2 more
doaj   +1 more source

Short Warm Distribution Tails Accelerate the Increase of Humid‐Heat Extremes Under Global Warming

open access: yesGeophysical Research Letters, 2023
Humid‐heat extremes threaten human health and are increasing in frequency with global warming, so elucidating factors affecting their rate of change is critical.
Yianna Bekris   +2 more
doaj   +1 more source

Experimental study on high temperature heat source positioning based on infrared temperature measurement technology

open access: yesMeikuang Anquan, 2022
Aiming at the problems of real-time monitoring of the temperature of the heat source in the goaf and accurate positioning of the high-temperature point, the temperature variation law of the high-temperature heat source in the goaf model is studied by ...
CHANG Qingyang   +3 more
doaj   +1 more source

Research progress of low-temperature heat recovery technology in sulfuric acid production [PDF]

open access: yesE3S Web of Conferences, 2020
Low-temperature waste heat refers to the sum of the heat degraded and transferred to the dry absorption process after the high- and medium-temperature heat is recovered in the conversion process in the conventional sulfuric acid production plant, as well
Zong Jianfang   +3 more
doaj   +1 more source

Enhancing Critical Thinking Skills of Students Related to Temperature and Heat Topics Through Problem Solving- Laboratory Model

open access: yesJPPPF: Jurnal Penelitian & Pengembangan Pendidikan Fisika, 2019
This study aims to determine the implementation of the learning problem-solving laboratory model and improvement of critical thinking skills of students on temperature and heat topic.
Adam Malik   +2 more
doaj   +1 more source

Cycle Characteristics of a New High-Temperature Heat Pump Based on Absorption–Compression Revolution

open access: yesEnergies, 2023
A large amount of the waste heat generated during industrial production is not used, which leads to a low energy utilization rate. The recovery of industrial waste heat using heat pumps has the advantages of low energy consumption, high efficiency ...
Jian Sun   +5 more
doaj   +1 more source

PBE為本的探究式教學對偏鄉國中學生學習動機與成效之效益-以溫度與熱為例 The Effectiveness on PBE-Based Inquiry Instruction for Learning Motivation and Achievement of Rural Junior High Students – By Teaching the Unit of Temperature and Heat [PDF]

open access: yesShizi Peiyu Yu Jiaoshi Zhuanye Fazhan Qikan
本研究旨在探討實施PBE為本的探究式溫度與熱教學模組後,對偏鄉國中學生學習動機與成效之影響,採準實驗研究法,樣本為中部某臨海偏鄉國中八年級全部學生,實驗組實施PBE為本的探究式教學,對照組則實施一般探究式教學。研究結果發現:量化部分,實驗組之整體學習動機、科學學習價值和學習環境誘因分量表顯著優於控制組。而實驗組之整體學習成效、溫度與溫度計和熱量命題概念亦顯著優於控制組。且實驗組學習動機與成效呈顯著正相關。質性部分,PBE為本的探究式教學,善用學生常見的生活實例、社區魚塭情境和臨海生活經驗 ...
翁上峯 Shang-Feng Weng   +1 more
doaj   +1 more source

Temperature alarm for heated humidifiers [PDF]

open access: yesAnaesthesia, 1978
In order to ensure a water content of between 30 and 40 mg/l in the inspiratory gases using a heated humidifier, the temperature in the delivery tube, near to the patient, must be between 30 and 37 degrees C. A low cost thermistor temperature alarm is described which indicates by means of different coloured lights if the temperature falls below 30 ...
P, Hommelgaard, T, Nissen
openaire   +2 more sources

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