Home > Industry/Domain > Regulatory
Regulatory
Rules or methods used to keep in check commercial norms or standards of products or services.
0Categories 542Terms
Add a new termContributors in Regulatory
Regulatory > 
鈣
Chemistry; General chemistry
化學元素符號 Ca 和原子數 20。它有 40 的原子品質的 。078 amu。鈣是一種軟灰色的鹼土金屬,和是大眾在地殼中的第五最豐富的元素。