查询词典 oxalic acid

The amount of bacteria in cuhure was detected, the concentration of ammonium oxalate was detected through photometric determination of oxalic acid by its catalytic reaction of methyl red by potassium chromate.

经过72h培养，所有培养基中的草酸浓度都有不同程度的下降，但乳酸菌组的降幅明显大于对照组，其中嗜酸乳杆菌组的降幅最大。

Capillary electrophoresis ; interaction analysis ; magnesium ion ; oxalic acid ; stability constant

毛细管电泳；相互作用分析；镁；草酸；稳定常数

The amount of Na(superscript +), NH4(superscript +), K(superscript +), Mg(superscript 2+), Ca(superscript 2+), Zn(superscript 2+) in fruits and juice (sports water, green tea , pear juice, carrot juice and carrot and orange juice) were respectively separated and detected by non-suppressed ion chromatography. And pyridine-2, 6-dicarbexylic was used as mobile phase to separated monovalent cations and pyridine-2, 6-dicarbexylic-ethylenedi-amine-oxalic acid was used as mobile phase to separated divalent cations.

采用非抑制型离子色谱法测定了水果以及饮料（运动型饮料、绿茶、水蜜桃汁、胡萝卜汁和胡萝卜橙汁）中Na、NH4、K、Mg(上标 2+)、Ca(上标 2+)、Zn(上标 2+)的含量，其中一价阳离子以吡啶－2，6-二羧酸为淋洗液测定，二价阳离子以吡啶－2，6-二羧酸+乙二胺+草酸为淋洗液测定。

BaiSeMian and cotton blended knitting fabric with rust, a grain of oxalic acid in pharmacy, besmirch place some of wen shui, gently rub it, then rinse clean plug.

旧茶及咖啡迹，可用甘油和蛋黄混合溶液擦拭，稍干后用清水漂净。或在污渍处涂上甘油，再撒上几粒硼砂，用开水浸洗。

The accumulation of pathogenesis-related proteins and disease resistance against downy mildew in cucumber plants were analyzed using BTH and oxalic acid.

本文研究了草酸和BTH溶液对黄瓜幼苗霜霉病的抗性诱导及病程相关蛋白的积累。

Ascospores require free moisture plus a food base such as senescent flower petals or damaged tissue to produce a small colony that can then infect the plant. The pathogen produces oxalic acid and numerous enzymes that break down and degrade plant tissue.

在自然湿度和衰老的花瓣、损坏的组织等良好的营养基础上，子蘘孢子产生小菌落，这些小菌落接着就能够浸染植株，病菌产生草酸和大量的能够分解和降解植物组织的酶。

It was proved that the sensitivity of analytes could be significantly enhanced by adding small amounts of oxalic acid medium with adjusted nebulizer flow-rate gas, especially for the dements with ionization potential between 9 and 11 eV.

结果表明，随着雾化气流速的调节，低浓度乙二酸介质对所分析元素具有增敏效应，尤其是对电离电位在9～11eV的Be、Zn、Se、As、Sb、Hg等高电离电位元素。

The phosphate adsorbed by soil in the presence of oxalic acid was easy to be desorbed by neutral salt, and the organic acids could obviously strengthen the desorption of phosphate.

作者在已有研究的基础上，模拟缺磷条件下根系分泌的有机酸种类和数

The advantages of catalytic synthesis of oxalate ester in gaseous phase by carbon monoxide are summarized. The five important characterization of our patent technology invented for the use of industrial raw material and the potential good economic value of the process are presented. It indicates that study and development of catalytic synthesis of oxalate ester .oxalic acid as well as glycols by natural gas in gaseous phase have a great advantage for full utilization of natural gas....

概述了&CO气相催化合成草酸酯&技术的先进性，介绍用工业性原料为主要内容的专利技术：&气相催化合成草酸酯连续工艺&的五个主要特点及其潜在的经济效益，并指出，用天然气经合成气进行气相催化合成草酸酯和草酸、乙二醇的研究与开发，可使天然气得到充分的利用，具有很好的经济效益，是天然气化工综合利用的一条有效途经，也是当代C1化学的重要发展方向。

According to the specification, the corrosion resistance of black oxide coating on iron and steel surface should be tested by oxalic acid spot test.

发黑时间约4 到5分钟，至形成均匀细密的黑色氧化膜。用自来水洗去工件表面的残留发黑液，用热风将其吹干待测。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。