As part of a study of the flotation of soluble salts the surface tension of sodium octyl sulphate has been measured 1 in saturated solutions of lithium, sodium, potassium and ammonium chlorides at ...

《GB 5009.271-2016 食品安全国家标准 食品中邻苯二甲酸酯的测定》，于2017年6月23号开始实施。迪马科技根据此标准，推出了邻苯二甲酸酯混标： 依据此标准第二法定制了：邻苯二甲酸酯混标(17+1种化合物)、邻苯二甲酸酯混标(18种化合物)。 【1】邻苯二甲酸酯混标 ...

1、【食品行业】：用于乳制食品、肉制食品、烘焙食品、面制食品、各式饮料、糖果、调味食品等。 2、【医药制造】：保健食品 、基料、填充剂、生物药品、医药原料等。 3、【工业产品】：石油业 、制造业、农业产品、科技研发、蓄电池、精密铸件等。

Super glue, or cyanoacrylate as it is formally known, is one heck of a useful adhesive. Developed in the 20th century as a result of a program to create plastic gun sights, it is loved for its ...

Why do people have different reactions to the same food? One person may love chocolate while another may find it too sweet. Some people love cheese while others find its taste and smell unappealing.

离子交换层析（Ion Exchange Chromatography，IEC）是一类非常有效的生物分子分离纯化方法，该法主要依赖正负电荷间的相互作用，利用不同生物分子在特定条件下带有的电荷的性质和多少差异来进行分离，它具有载量高、分辨率好，条件可控、易于放大的特点，已 ...

The Environmental Working Group (EWG) is urging consumers to examine the sometimes complex ingredient list of sunscreen.

Membrane-associated RING-CH 8 (MARCH8) inhibits infection with both HIV-1 and vesicular stomatitis virus G-glycoprotein (VSV-G)-pseudotyped viruses by reducing virion incorporation of envelope ...

A while back I looked at lubricants for the home shop, with an eye to the physics and chemistry behind lubrication. Talking about how to keep parts moving got me thinking about the other side of ...