The reports of anthropologist's fieldwork also indicate that the facts of nonliterate society defiladed and distorted by literate society need a new cognition.
It is pointed out that the physiological and ecological characteristics of oligotrophic microbes and the coaction of physical-chemical and biochemical processes need further investigation.
The status quo and progress in reaction wetting, reactive brazer, interfacial reaction, joint strength and partial transient liquid-phase bonding were reviewed in this paper.
The magnoflorine is considered an effective component of decompression, but it has been studied to have blocking ganglion effect.There are many other alkaloids to be studied.
Due to the lagged manufacturing technology, lower efficiency and unbefitting consumption pattern, etc, there is a big challenge of energy-environmental sustainable development in the cities in China.
We already possess, in the artesian well, the means of converting unfertile wastes into rich corn fields;and what unknown forces may not yet be hidden in the interior of the earth?