The author believedthat the origin of ilvaite relate to the intermediate-basic igneous rocks and its disintergrate relateto the paticipate in of borium, through the comparison of geological features between theShangqing ilvaite-rich iron deposit,Qinghai,and the Makeng ilvaite-bearing iron deposit, Fu-jian.
黑柱石是一种少见的含钙铁硅酸盐矿物。
Hydrogen isotope fractionation between ilvaite and water has been studied experimen- tally at the temperature range 750-250℃.
在750-250℃温度范围内,对黑柱石-水之间的氢同位素平衡分馏进行了实验研究。
During wax-setting jewelry casting,the gems were prone to crack or darken since they had to withstand the high temperature roasting,the heat impact caused by molten metal during pouring,and the mechanical stress during solidification shrinkage,especially in multi-gems channel setting,which caused great loss to the jewelry company.
蜡镶铸造中,宝石要承受高温焙烧和浇注时高温金属液的热冲击,以及铸造收缩过程中产生的机械应力等影响,特别是在迫镶多粒宝石时,很容易发生烂石黑石问题,给企业造成很大经济损失。
A Preliminary Morphological Study of the Leaves of Coptis chinensis in Shizhu County;
重庆石柱黄连叶形态分析初探
Sedimentary facies in the Middle Triassic Badong Formation in Shizhu,Chongqing;
重庆石柱中三叠统巴东组沉积相研究
The two black stone walls are set into the earth.
这两堵黑石墙置入地下，
In its prospectus, Blackstone warns it will stick to a long-term focus.
黑石在他的预期中指出黑石将注重长期发展。
A black variety of garnet.
黑榴石一种黑色石榴石
A dark region or blemish, as on a polished stone.
黑斑，瑕疵黑块或黑斑，如磨光的石头上的黑斑
rendzina like brown soil
黑色石灰土状棕色土
a dark-colored spinel containing iron.
一种含铁的黑色尖晶石。
rtndzina, terra fusca and cerra rossa
黑色、棕色和红色石灰土
black lacquer jewellery box inlaid with carved soapstone
黑漆嵌青田石首饰盒
ON THE NEOLITHIC AXE OF LONGGUDIAN IN LUFENG,YUNNAN;
云南禄丰黑井龙骨甸新石器时代石斧
A dark soil that develops under grass on limestone and chalk.
黑色石灰土在石灰岩和石灰上生长的草下形成的黑色土壤
"Chromite:a widely distributed black to brownish-black chromium ore, FeCrO."
铬铁矿:一种广泛分布的铬矿石,黑色到黑褐色,FeCrO.
black lacquer jewellery box in painted designs and black lacquer jewelry box inlaid with carved soapstone
黑漆彩画首饰盒和黑漆嵌青田石首饰盒
A green to brown or black calcium-iron garnet, Ca3Fe2(SiO4)3.
钙铁榴石绿色到棕色或黑色的钙铁榴石Ca3Fe2（SiO4）3
Ash and bits of rock that were burnt black were falling onto the ship now .
烧黑色的火山灰和岩石落到船上。
slaty-black slow-flying birds somewhat resembling ducks.
慢速飞行的石板黑色鸟，有些象鸭子。
Gunpowder also sped up the slow process of digging up stones.
黑火药还加快了缓慢的采石进程。
It is two black stone walls that are built into the ground.
只是两堵黑色的镶在地上的石墙。
