...个最低限度, 不同品种的葡萄对温度的最低限度也不同,在葡萄生长过程中,温度高于下限时间的总和称 为热积累(Heat Summation),热积累的总和可以判定该地区是否具有产出好葡萄的潜质。
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Cooling load of the cold storage caused by excitations is the summation of solar radiation, cooling load penetrated from the atmosphere and interior heat generation.
冷库的热负荷是太阳辐射、大气温度、库内发热设备等扰量引起的热负荷之和。
The heat of explosion and specific volume of industrial explosives can be calculated by summation of corresponding component parts. The theory and method are described.
文章叙述用相应的组分贡献量,按用量系数相加,计算工业炸药爆热、爆容的原理和方法。
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