Prosaic 发表于 2025-3-28 16:42:38

http://reply.papertrans.cn/32/3106/310590/310590_41.png

Fracture 发表于 2025-3-28 21:05:08

Renewable Land Energy Sources,hown in figure 9.1. which also indicates the main areas of known geothermal potential. Geologists currently believe that the continental crust itself possesses an internal heat or energy source due to radioactive decay of potassium, thorium and uranium. It is also possible that appreciable quantitie

本能 发表于 2025-3-29 00:56:38

http://reply.papertrans.cn/32/3106/310590/310590_43.png

RALES 发表于 2025-3-29 04:38:00

,Energy Options for the Future—Policies and Planning, and renewable-energy sources and in the development of synthetic fuels. At last there is some consensus that unless new patterns of energy use are quickly established, new forms of fuel developed and world energy-demand stabilised, an ‘energy gap’ will inevitably occur at some unspecified date in t

Hangar 发表于 2025-3-29 08:28:39

http://reply.papertrans.cn/32/3106/310590/310590_45.png

gentle 发表于 2025-3-29 15:00:56

Proximal Femur: Lateral Approacherating changes in new product design and concepts such as built-in obsolescence to guarantee continuous markets for replacements were introduced to stimulate demand and increase production. The increasing throughput of materials, in turn, led to higher overall energy consumption, the creation of ad

成绩上升 发表于 2025-3-29 17:29:04

Anterior Medial Approach to C1, C2, and C3, and renewable-energy sources and in the development of synthetic fuels. At last there is some consensus that unless new patterns of energy use are quickly established, new forms of fuel developed and world energy-demand stabilised, an ‘energy gap’ will inevitably occur at some unspecified date in t

alabaster 发表于 2025-3-29 20:53:23

an — z.B. bei der Stahlzerspanung — das gleichzeitige auftreten von Kolk- und Freiflächenverschleiß. Die anderen Formen des Verschleißes auf der Spanfläche treten nur getrennt auf, und zwar bestimmen die Schnittbedingungen die jeweils sich bildende Verschleißform.

放气 发表于 2025-3-30 02:50:29

http://reply.papertrans.cn/32/3106/310590/310590_49.png

–scent 发表于 2025-3-30 07:13:44

http://reply.papertrans.cn/32/3106/310590/310590_50.png
页: 1 2 3 4 [5] 6
查看完整版本: Titlebook: Energy: Crisis or Opportunity?; An Introduction to E Diana Schumacher Textbook 1985Latest edition Diana Schumacher 1985 crisis.energy.resea