�ߠt��C��ü��g(sh��)(2)

��r�g��2008-10-29 16:37 ��Դ�� : ��x��4529

��a(ch��n)�V��u

��ˮ��a(ch��n)�V��u�Ĺ�ˇ��D��ʾ,��һ��Ȟ�ˮ��85%-90%,��ĥ��ʯ��10%-15%��V��u�m��ˮ��ˮ�н��,��m��ڸ��250��ĭh(hu��n)��(y��ng)��,��

��·

�ߠtˮ��,��صV��ʯ��N��·��Ӻ��ӡ��͵��70%�ĸߠt��ڵ�·,��C��Ľ��O(sh��),��`�C��õV��·,��·�揊��,��;��Լ��ĥ�Է��涼��õ�Ч��ߠt�صV��ʯĦ��ϵ��(sh��)��,��ĵV��r��·��_��ܺõķ��Ч��,��

��

�ߠt�صV��ʯ��ڻ��҇��Ў�ʮ��Ěvʷ��V��ʯ��H��c��ͨ��ʯ��Ƶ��W(xu��)��,��߀��^�õı,��졢��,��͟Ό?ji��)B��;��ܡ,��F(xi��n)�яV��ؑ�(y��ng)�õ�500̖��500̖��µĻ��䓽��A(y��)��(y��ng)��,��

��ڵػ��

��øߠt��ӹ�ܛ��ػ��Ƿǳ��Ч�ķ��,��ձ�һ��Ȟ�20mm��µ��صV��ˮ��ʯ��̎��ܛ��ػ��ļӹ̘��ϡ��(j��)�{(di��o)��,��҇��20��o(j��)30��ʹ�øߠt��ӹ̵ػ�,��ʹ�ø��ձ顣�H��h��F��˾һ��,��1964��,��ڵػ��ʹ�øߠt��_5.0 *105��`�C��,��øߠt��ܛ��ػ�̎��,��g(sh��)��ȫ�ɿ�,��ʩ��,��r��

��F·��

�ߠt�صV��õĈԹ��,��_��Լ��,��F·��ݿ��Ժ��Ȼ��ʯһ��ʹ�ã��m��(d��ng)?sh��)��܇�r�a(ch��n)��Ӻ��,��؏�(f��)��d��܏�,��҇��ɽ��F��˾��1953��_ʼ��F·��þ��ʹ�á�Ŀǰ��F��˾�׺��ʹ�øߠt��䌣��F·�ĵ��,��

�ڇ��һ��F·�ɾ�—��I��B��·��,��ð�ɽ��F��˾�A��صV��O(sh��)��һ��60m�L��ԇ�·,��1967��_ʼʹ�ã��ʮ��δ�l(f��)�F(xi��n)��,��F(xi��n)��,��

��p��

��Û�V��a(ch��n)��ˇ��ȡ��飬�|(zh��)�p,��,��Ȼ��á��ܺ�,��Ͽɹ�(ji��)�s20%��ҵ�ˮ��,��Û�V��Ƶ��p�|(zh��)��؞�1400- 2000kg/m³��Ȟ�9.8-29.4MPa,��(d��o)��ϵ��(sh��)��0.407-0.582W/(mK),��õ��W(xu��)��ܡ�

��a(ch��n)�V��

�V��Ըߠt��Ҫԭ��,��ʯ,��r��{(di��o)��ɷּ�ȼ�ϣ��ӟ��ۻ��ø��x�ķ��򇊴��Ƴ�,��һ�N�޽z��V��w�S��|(zh��)�p,��,��,��Լӹ��ɸ��N��,��֡��ܚ��Ʒ,��V��a(ch��n)��ˇ��D��ʾ,��

��ø�⁵V��o�t��

��⁵V��Ҫ�V��ɷ��}�F�V��Zʯ,��xʯ��,��Щ�V��c�O�ߣ��TiC��c��3I40,��TiN��c��2950,��ø��F�t��o��Ͼ��ÚJ�ĵ׃r��ߜ��y��Ժ͵ؕ͜r��c��(y��ng)�õ��ͨ��oұ��,��ʹ��F�m��(d��ng)“׃��”,��s��ȴ��g�^��(y��n)�ز�λ�Ԅӳ��e,��ʹ?f��n)t�נt�׽Y(ji��)��,��p��F��t�נt�׵��g��,��Ķ��_��o�t��L�ߠt��,��Ƹߠtָ��(bi��o)��Ŀ��,��

��Ҫ��;�⣬�ߠt��߀��Á��a(ch��n)�Tʯ,��΢��,��r(n��ng)�ʵȡ�

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e�`��ַ��ĺϷ��(qu��n)��,��Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ��҂��r��,��h��,��x�x��