“pearl hardening”的概念、定义、翻译、参考文献-科学参考

单词	pearl hardening
释义	pearl hardening [`pǝrl ¦härd·ǝn·iŋ] ^{INORGANIC CHEMISTRY} Commerical name for a crystallized grade of calcium sulfate; used as a paper filler.
随便看	ammonia alum ammonia-beam maser ammoniac ammoniacal ammonia clock ammonia compressor ammonia condenser ammonia dynamite ammonia gelatin ammonia liquor ammonia maser clock ammonia meter ammonia oil ammonia permissible ammonia synthesis ammoniated mercuric chloride ammoniated mercury ammoniated superphosphate ammoniation ammonia valve ammonia water ammonification ammonifiers ammonioborite ammoniojarosite

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。