1.Nitric oxide synthase converts the amino acid arginine into citrulline and nitric oxide.

一氧合酶氨基酸中的氨酸转为瓜氨酸和一氧。

2.Carnitine's effect on nitric oxide can improve biomarkers that reduces tissue damage.

肉毒碱对一氧的作用可以改善生物指标，减少组织损伤。

3.Now those nitric oxide-myoglobin compounds just so happen to be pink.

那些一氧-肌红蛋白合物恰好是粉红色的。

4.For choice D, we found that information here, where it talks about nitric acid.

至于D选项，我们在这里发现了该信息，它谈论的是酸。

5.This paper refers to both nitrate and nitrite as nitric oxide therapeutics.

这篇论酸盐和亚酸盐作为一氧的治疗方法。

6.Your body converts nitroglycerin to nitric oxide, which relaxes blood vessels, and lowers blood pressure.

你的身体会酸甘油转为一氧，而放松血管并降低血压。

7.In nature, nitric oxide is a formidable toxin and a common component of air pollution.

在大自然中，一氧二是一种极为可怕的有毒气体，它是造成空气污染的罪魁之一。

8.In addition, poisonous gas from the mercury and nitric acid are released during unlicensed mine activities.

此外，未经许可的采矿活动还会释放汞和酸中的有毒气体。

9.The acetylcholine bind to muscarinic receptors on endothelial cells, which activates the enzyme nitric oxide synthase.

乙酰胆碱与内皮细胞上的毒蕈碱受体结合，激活一氧合酶。

10.Damaged parasympathetic nerve fibers can't release acetylcholine, so there's less nitric oxide synthase activation, and less nitric oxide is produced.

受损的副交感神经纤维不能释放乙酰胆碱，因此被激活的一氧合酶较少，产生的一氧也较少。

11.Other studies have found that sunlight alters the levels of nitric oxide in your blood and skin.

其他研究发现阳光会改变血液和皮肤中一氧的水平。

12.Well, BBQ smoke contains gases like carbon monoxide and nitric oxide, which is made by burning wood.

烧烤烟中含有一氧碳和一氧等气体，这些气体是燃烧木头产生的。

13.The reason behind this is unclear, but nitric oxide makes peripheral arteries dilate, so blood pressure drops.

其中的原因尚不明确，但是，一氧会导致外周动脉扩张，血压因而下降。

14.The ship had 25 tons of nitric acid and other chemicals on board, including tons of plastic pellets.

这艘船上有25吨的酸和其他学物质，其中包括数吨的塑料颗粒。

15.So the neuro science project I'm working on involves the cellular signaling pathway of neuronal nitric oxide synthase.

我在做的这个神经学科项目涉及神经元一氧合酶细胞信号传导通路。

16.Another consequence of portal hypertension is that the endothelial cells lining the blood vessels release more nitric oxide.

门静脉高压症的另一种后果是血管内皮细胞会释放更多的一氧。

17.Some people say it dates back to the use of nitric acid to determine the gold content of jewelry.

有些人说，这可以追溯到使用酸来测定珠宝的黄金含量。

18.There's Glycine Propionyl L-Carnitine, aka GPLC, suggested that, in high dosages, improves blood pressure via increased nitric oxide production.

甘氨酸丙酰左旋肉毒碱 (GPLC) 表明，高剂量可以通过增加一氧的产生来改善血压。

19.Hypertension causes wear and tear in the endothelial cells, and decrease their ability to produce nitric oxide.

高血压会导致内皮细胞的磨损，降低内皮细胞产生一氧的能力。

20.The nitric oxide diffuses into the nearby smooth muscle cells, and activates guanylate cyclase, which converts GTP molecules to cGMP.

一氧扩散到附近的平滑肌细胞，激活鸟苷酸环酶，GTP分子转为cGMP。