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The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

对氟苯酚和3-氯丙酸起始原料,用苄基三乙基氯铵作剂,经过相转移对氟苯氧丙酸

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Aluminum propoxide for the Tishchenko condensation of propanal to propyl propionate is prepared from aluminum powder and propanol.

出的丙醇剂,无水氯剂,用丙醛一步丙酸丙酯,收率可达92%,选择性可达93%。

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Furfuryl propionate was synthesized from furfuryl alcohol and propionyl chloride using hexahydropyridine as catalyst and anhydrous sodium bicarbonate as acid-caputor.

α呋喃甲醇和丙酰氯原料,六氢吡啶剂,无水碳酸氢钠缚酸剂了α呋喃甲醇丙酸酯。

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In addition, some organic acids with the bad breath, such as butyric acid and propionic acid, and indole, methyl indole compounds and cadaverine.

此外,一些有机酸也与口臭有关,如丁酸和丙酸及吲哚、甲基吲哚和尸胺等物。

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Synthesis of isoamyl formate, isoamyl acetate, isoamyl propionate, isoamyl butyrate, isoamyl isobutyrate and isoamyl isovalerate by catalysis of hydrated ferric chloride are reported.

研究了氯甲酸异戊酯、乙酸异戊酯、丙酸异戊酯、丁酸异戊酯、异丁酸异戊酯和异戊酸异戊酯。

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科学60秒 2017年10月合集

For example, acne has been linked with Propionibacterium acne.

“例如,痤疮已经与痤疮丙酸杆菌联系在了一起。

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十万个为什么

For Swiss, cheese makers used propionibacterium freudenreichii.

对于瑞士奶酪而言,奶酪制商使用的是丙酸杆菌。

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Scishow 精选系列

So having colonies of Propionibacterium acnes living on you isn't a bad thing.

这样看来,痤疮丙酸杆菌在皮肤上繁殖也不是什么坏事。

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科学60秒-科学美国人 2020年4月合集

The bacteria consume lactate and convert it into a fatty acid called propionate.

韦荣氏球菌属消耗乳酸,并将其转化为名为“丙酸盐”的脂肪酸。

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Osmosis-血液肿瘤

This results in the buildup of porphobilinogen and aminolevulinic acid.

原和氨基乙酰丙酸累积。

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科学60秒-科学美国人 2020年4月合集

Veillonella produces propionate, which somehow promotes endurance, at least in treadmill-trotting mice.

韦荣氏球菌属产生丙酸盐,这在某种程度上提升了耐力,至少对在跑步机上跑步的老鼠来说如此。

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Scishow 精选系列

Once the pore is officially clogged, it becomes a breeding ground for colonies of bacteria — especially Propionibacterium acnes.

一旦毛孔被完全堵住,它就了细菌繁殖的温床——尤其是痤疮丙酸杆菌。

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Osmosis-血液肿瘤

Then, in the cytosol, delta-aminolevulinic acid is converted to porphobilinogen, or PBG, via delta-ALA dehydratase.

随后,在细胞质中,δ-氨基乙酰丙酸转化为原,即PBG通过δ-ALA脱氢酶催化。

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Osmosis-血液肿瘤

It begins in the mitochondria where succinyl CoA binds to glycine via delta-ALA synthase to produce delta-aminolevulinic acid, or ALA.

反应开始于线粒体,琥珀酰CoA通过δ-ALA合途径,结合甘氨酸以制δ-氨基乙酰丙酸(ALA)。

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科学60秒-科学美国人 2019年6月合集

The bacteria consume lactate and convert it into a fatty acid called proprionate.

细菌消耗乳酸并将其转化为称为丙酸的脂肪酸。

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Osmosis-血液肿瘤

Furthermore, it causes the buildup of the earlier metabolites like porphobilinogen and aminolevulinic acid, which can be toxic to the body.

进一步导致早期代谢产物,比如原、氨基乙酰丙酸,对机体有害。

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透视百科美食类

After one month of storage, a strain of bacteria, Propionibacterium shermanii, consumes lactic acid and releases carbon dioxide.

储存一个月后,一种名为谢氏丙酸杆菌的细菌消耗乳酸并释放二氧化碳。

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Osmosis-血液肿瘤

Glucose and heme are the treatments for acute intermittent porphyria as they inhibit aminolevulinic acid synthase, the first enzyme involved in heme synthesis.

葡萄糖和血红素用于治疗急性间歇性啉病,他们能抑制氨基乙酰丙酸的合,即影响参与血红素合的第一种酶。

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Osmosis-血液肿瘤

Lead poisoning has also been shown to denature enzymes important in heme synthesis, like Delta aminolevulinate dehydratase and ferrochelatase, which are important for heme synthesis.

铅中毒同样也被证明使血红素合中重要的酶变性,如Delta-氨基乙酰丙酸脱水酶与亚铁螯合酶这一类对血红素合至关重要的酶。

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Osmosis-血液肿瘤

Aminolevulinic acid, in particular, is the most likely culprit since it could cross the blood brain barrier and affect the central, autonomic, and peripheral nervous systems.

特别是氨基乙酰丙酸,是最可能的“嫌疑犯”,因为它可以跨越血脑屏障,影响中枢、自主和外周神经系统。

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科学60秒-科学美国人 2019年6月合集

And mice that were treated to proprionate, which was delivered via teeny tiny enemas to mimic its release by gut bacteria, similarly extended their treadmill time.

接受丙酸处理的老鼠,通过极小的灌肠来模仿肠道细菌的释放, 同样延长了它们在跑步机上的时间。

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