altruism
发表于 2025-3-23 11:41:03
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modest
发表于 2025-3-23 16:23:16
Energy Conservation R&D—Is it Vital or is it Incidental?g. This thesis is illustrated by the example of UK milk bottles where R&D over 30 years has led to an effective energy saving of around 150,000 TEP per annum, but without any motivation to save energy per se. There is therefore a need to distinguish R&D whose vital objective and benefits are conserv
mercenary
发表于 2025-3-23 19:57:09
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amenity
发表于 2025-3-24 01:07:38
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幼儿
发表于 2025-3-24 04:23:21
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性别
发表于 2025-3-24 10:15:08
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花争吵
发表于 2025-3-24 13:15:16
Wärmerückgewinnung aus Abwässern durch Energiesparende Wärmepumpensystemeorts in this connection have been concentrated on the facts relating to utilization of heat from the local waste water..The local waste water is suited as source of heat for heat pumps owing to the high temperature level and its availability in the immediate vicinity of the consumer..There are two p
syring
发表于 2025-3-24 16:53:36
Air Source Heat Pumps under Northern European Climatic Conditionsode only, for domestic space heating. Field trials of several types of air to air and air to water heat pump systems in homes in Ireland are described. Laboratory investigations were also made into component performance and design modifications to produce a system with optimum performance for this p
critique
发表于 2025-3-24 22:50:40
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骄傲
发表于 2025-3-25 02:22:30
ki space with a six dimensional Calabi-Yau space. The particles that are massless in the four dimensional world correspond to differential forms of type (1, 1) and of type (2, 1) on the Calabi-Yau space. The Yukawa couplings between the families correspond to certain integrals involving three differ