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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-氯始原料,用苄基三乙基氯化铵作催化剂,经过相转移催化合成对氟苯氧

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

合成出的丙醇铝催化剂,无水氯化锌助催化剂,用丙醛一步合成了,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,六氢吡啶催化剂,无水碳氢钠剂合成了α呋喃甲醇

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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,一些有机也与口臭有关,如丁及吲哚、甲基吲哚和尸胺等化合物。

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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.

研究了氯化铁催化合成甲异戊、乙异戊异戊、丁异戊、异丁异戊和异戊异戊

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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,已经与杆菌联系在了一起。

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十万个为

For Swiss, cheese makers used propionibacterium freudenreichii.

于瑞士奶酪而言,奶酪制造商使用的是杆菌。

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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,杆菌在皮肤上繁殖也不是坏事。

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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“盐”的脂肪酸。

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Osmosis-血液肿瘤

This results in the buildup of porphobilinogen and aminolevulinic acid.

这会造成量卟胆原和氨基乙酰累积。

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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.

韦荣氏球菌属产生盐,这在某种程度上提升了耐力,至少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,它就成了细菌繁殖的温床——尤其是杆菌。

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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-氨基乙酰转化为卟胆原,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合成途径,结合甘氨酸以制造δ-氨基乙酰(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.

这会进一步导致量生成早期代谢产物,比如卟胆原、氨基乙酰机体有害。

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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,一种名为谢氏杆菌的细菌会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卟啉病,他们能抑制氨基乙酰的合成,即影响参与血红素合成的第一种酶。

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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会使血红素合成中重要的酶变性,如Delta-氨基乙酰脱水酶与亚铁螯合酶这一类血红素合成至关重要的酶。

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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,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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