Alt键是在Windows操作系统上的一个按键。 Alt键按照最新的ISO/IEC 9995标准全称为Alternate，汉语意思为改变、交换，在计算机领域被称为交替换挡键。

Jan 29, 2025 · An alanine aminotransferase (ALT) test can show whether you have a liver disease or injury. Learn how this test works and how it can help your doctor diagnose you.

Nov 4, 2021 · Alanine transaminase (ALT) is an enzyme that’s mainly found in your liver. High levels of ALT in your blood may indicate damage or injury to your liver.

Your ALT is usually measured along with another liver enzyme called AST as part of a liver function panel. Since ALT is mostly found in the liver, an ALT test checks more specifically for …

ALT catalyzes the transfer of an amino group from L - alanine to α-ketoglutarate, the products of this reversible transamination reaction being pyruvate and L - glutamate.

Alt键是什么意思? Alt是Alternative的英文缩写，翻译中文为交换或者替换的意思，我们一般称Alt键为更改键或者替换件单独按alt键没有任何功能，一般都是用于与其他按键组合来使用，从而实 …

Dec 19, 2024 · Alt键（Alternate）又名交替换档键、更改键、替换键。 Alt键通常与其他键组合发挥作用，单独是没有作用的。 在计算机键盘中，Alt键在键盘上左右各一个。 在美国制造的键 …

Sep 25, 2025 · An alanine aminotransferase (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller amounts in the kidneys, heart, …

Jun 3, 2025 · An ALT blood test helps check for liver damage. Learn when the test is done, how to prepare and what the results mean.

谷丙转氨酶 （英文： Alanine transaminase，缩写 ALT）是一种 转氨酶 （EC 2.6.1.2，存在于 血浆 及多种身体 组织 中，但最常见与 肝脏 关联。