chalcedony

英 [kælˈsɛdəni]

美 [ˈtʃælsəˌdoʊni]

n.  玉髓

复数：chalcedonies　

化学

COCA.45631

英英释义

noun

• a milky or greyish translucent to transparent quartz
  Synonym:calcedony

双语例句

• The experiment indicates that the basalts containing chalcedony and microcrystalline quartz possess potential alkali reactivity and belong to typical alkali-silica reaction.
  结果表明，由含有玉髓、微晶石英等矿物的玄武岩骨料具有潜在碱活性，且属典型的碱-硅反应。
• Wood fossil can be divided into Protein wood fossil, chalcedony wood fossil, agate wood fossil, common wood fossil and many other kinds.
  木化石文化价值-木化石可分为蛋白木化石、玉髓木化石、玛瑙木化石和普通木化石等许多品种。
• Pro-environment& The chalcedony is the spirit of address, it records the circle of life on the earth.
  环保&玉髓是地址的精灵，记录着地球的生生不息。
• The red-yellow jade produced in Longling which species are cryptocrystalline quartz quality jade, according to the local standard of Yunnan Longling concluded that it was chalcedony.
  龙陵地区产的红色&黄色的这类玉石属于隐晶质石英质玉石，根据云南龙陵的地方标准确定其为玉髓，但是黄龙玉也有类似玛瑙条带状构造的结构特征。
• A chalcedony with alternating black and white bands; used in making cameos. I now know that wars do not end wars
  黑白带纹相交的玉髓，用作浮雕宝石。如今我才弄明白，干戈不能化玉帛
• Remove Doubts by Madam Yan Haemachates Mean the Red Chalcedony too?
  阎女士释疑&血玉髓就是红玉髓吗？
• Other kind of Taiwan Blue Chalcedony imitation
  台湾蓝玉髓的另类模仿品
• A hard kind of stone; a form of silica more opaque than chalcedony.
  一种硬石，硅石的一种形式，透明度不如玉髓。
• A deep orange-red variety of chalcedony.
  一种深橙红色的玉髓。
• The results show that groundwater was oversaturated with respect to calcite, dolomite and quartz, undersaturated to gypsum and in equilibrium with chalcedony at study area respectively.
  结果表明：随机水文地球化学模拟方法具有很好的实用性和应用前景；在模拟研究区内地下水相对于方解石、白云石、石英过饱和，相对于石膏未饱和，而与玉髓处于平衡状态。