yellow needle crystal 黄色针状晶体
needle crystal of calcium oxalate 草酸钙针晶
needle-shaped crystal structure 针状晶体结构
needle like crystal 针状晶体
needle-like crystal 针状晶体
Properties: color lobed or needle crystal, hexagonal columnar crystal obtained after distillation, easy deliquescence.
理化性质：色叶状或针状结晶，升华后得六角形柱状结晶，易潮解。
The results were as follows: the needle crystal of xonotlite was controlled by reaction temperature, pressure and time.
认为 ：硬硅钙石针状晶体是平衡反应的最终产物 ，在适当的温度、压力下 ，经过一定的反应时间就能生成。
The cembrene is a natural organic compound. A colowless needle crystal was obtained by extraction and separation, from red pine tree.
松柏烯是从红松树中提取和分离出来的一种天然有机物。
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