The sub pg/mg detection of endogenous steroid hormones and ECs in keratinized matrices is possible when using a washing ...

ACQUITY UPLC HSS C18色谱柱,waters公司生产的UPLC超高压液相色谱柱，采用1.8um的高强度硅胶颗粒为填料能耐受15000psi的超高压力。其中Z常用规格：2.1*100mm*1.8um,产品订货186003533.2.1*150mm*1.8um,产品订货号：186003534. 详细介绍 ACQUITY UPLC HSS C18色谱柱，为液相色谱技术和应用 ...

An identity column is a special column that is generated automatically from an implicit sequence. It can be used to generate key values. Similarly, the keyword DEFAULT can be used in UPDATE commands.

An index can be defined on more than one column of a table. For example, if you have a table of this form: A multicolumn GiST index can be used with query conditions that involve any subset of the ...

There's much to enjoy about the retirement years - and you don't need a million dollars to do so. Photo / 123rf Q: I quit my job to look after my terminally ill husband. I am 62 years old. We have ...

Drugs that induce reversible slowing of metabolic and physiological processes would have great value for organ preservation, especially for organs with high susceptibility to hypoxia-reperfusion ...

本应用介绍了在 USP 条件下对阿司匹林（乙酰水杨酸）及其相关杂质进行可靠分离的方法。本应用 根据 USP 通则第621>章中规定的允许调整范围，提供了相对于药典中的初始色谱柱和条件所可 以实现的潜在方法改进。 USP 药典：阿司匹林片，游离水杨酸限定量分析 ...