查询词典 oxalic acid

Results: Reaction of apinene and anhydrous oxalic acid afforded bornyl oxalate smoothly and borneol was obtained from bornyl oxalate by saponification with NaOH solution.

结果：酯化反应能顺利进行生成草酸冰片酯，草酸冰片酯和NaOH发生皂化反应后得到冰片。

Under the catalysis of rare earth composite solid superacid SO42-/ZrO2-La2O3,reaction of a-pinene and anhydrous oxalic acid afforded bornyl oxalate smoothly. Followed by saponification reaction, borneol was obtained selectively.

在稀土复合固体超强酸SO42-/ZrO2-La2O3的催化下， a -蒎烯与无水草酸的反应能顺利生成草酸龙脑酯，经皂化反应后，能选择性地合成正龙脑。

Bornyl oxalate was formed smoothly by esterification of β-pinene with anhydrous oxalic acid using solid superacid as catalyst. Borneol was obtained by saponification of bornyl oxalate with NaOH solution.

在固体超强酸催化作用下β-蒎烯和无水草酸平稳地发生酯化反应，生成草酸龙脑酯；加入氢氧化钠溶液发生皂化反应得到龙脑。

But, Cinnamomum camphora had only oxalic acid and phosphate in the extractions.

樟树则是只有草酸和磷酸。

Dibenzyl oxalate was synthesized from oxalic acid, potassium hydroxide and benzyl bromide under microwave irradiation using tetrabutylammonium bromide as phase-transfer catalyst and polyethylene glycol-200 as solvent.

在微波辐射条件下，以草酸、氢氧化钾和溴化苄为原料，四丁基溴化铵为相转移催化剂，聚乙二醇200为溶剂合成了草酸二苄酯，并通过熔点和红外光谱对产物的结构进行了表征。

Oxalic acid, potassium chloride, ferrous sulfate (FeSO4) and dipotassium hydrogen phosphate (K2HPO4) were used to induce resistance in potato tubersSolarium tuberosum L.

以草酸，KCl，FeSO4，K2HPO4作为激发子，就诱导马铃薯块茎对早疫病的抗性及其机理进行了初步研究。

Oxalic acid, potassium chloride, ferrous sulfate (FeSO4) and dipotassium hydrogen phosphate (K2HPO4) were used to induce resistance in potato tubers Solanum tuberosum L.

以草酸，KCl，FeSO4，K2HPO4作为激发子，就诱导马铃薯块茎对早疫病的抗性及其机理进行了初步研究。

Considering the importance of oxalic acid in pathogenicity, germin, an oxolate oxidase, was used in S. sclerotiorum resistance of crops breeding study.

鉴于草酸在致病中的重要作用，我们试图利用具有草酸氧化酶活性的germin，从分解草酸入手进行抗菌核病的研究。

Diisopentyl oxalate was synthesized with oxalic acid and isoamyl alcohol as raw materials and sodium bisulfate as catalyst.

以草酸和异戊醇为原料，采用硫酸氢钠作催化剂合成草酸二异戊酯。

Influence of mashing water quality and processing methods on the oxalic acid in wort are discussed.

讨论了糖化用水的水质以及外加钙(Ca2+)、外加酸调节pH等水处理方式对麦汁中草酸含量的影响。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。