草酸

Oxalate stones have now become an increasingly common side effect of treatment for struvite crystals.

草酸盐结晶已成为治疗鸟粪石结晶时常发生的一个副作用。

Simultaneous determination of N, N-Dimethylaniline and phenol in wastewater by high-performance liquid chromatography with chemiluminescence detection; 2 rapid determination of rudimental trace aniline in indigotine by reverse phase HPLC; 3 determination of the levels of tetracycline and oxytetracycline residues in liver tissue by HPLC-CL; 4 rapid determination of Shikimic acid in taxodium distichum by ion-suppression reversed-phase HPLC.

第二节是高效液相色谱及其与化学发光柱后检测技术在药物分析中的应用，研究了四环素、土霉素的HPLC-CL方法，应用于动物肝组织中四环素、土霉素残留量的测定；并研究了用离子抑制-反相高效液相色谱法快速测定落羽杉中的莽草酸的新方法。

Barium titanate ; electronic ceramic ; barium titanyl oxalate tetrahydrate ; preparation technology.

钛酸钡；电子陶瓷；草酸氧钛钡；合成技术

In this paper, strontium lead titanate was prepared from strontium lead titanyl oxalate tetrohydrate by chemical coprecipitation .

采用化学共沉淀法经前驱体草酸氧钛锶铅制得钛酸锶铅粉末。

This paper discusses the reaction principle and titrimetric operation in defining consistency of potassium permanganate titrant which sodium oxalate is regarded as the basis material.

分析了以草酸钠为基准物标定高锰酸钾标准溶液浓度的反应原理，标定操作及温度、酸度、滴定速度等滴定条件对标定结果的影响。

CD was added into running buffer in above electrophoresis system, and the separation efficiency of polycarboxylic acids was improved further by the supramolecular interaction. Based on that, the method for separation and determination of several di- and tricarboxylic acids, including oxalic, malic, tartaric and citric acids, found in fruit juices was developed, which supplied a fast, convenient and sensitive method for the food analysis, the quality control of foods and various drinks.

果汁中多元有机酸的毛细管区带电泳/Cu电极安培检测在上述分析体系的电泳介质中添加β-CD，利用CPB与β-CD的协同超分子作用，进一步提高了多元有机酸的分离效率，成功实现了水果中四种常见多元有机酸草酸、柠檬酸、苹果酸、酒石酸的基线分离，建立了几种果汁中上述有机酸毛细管区带电泳/Cu电极安培检测定量测定方法，为食品分析、食品饮料质量控制以至辨别酒类商品真伪等提供了一种方便、快速、灵敏度高的分析方法。

Random complete block design was used to research the impact of spraying 41% Glyphosateisopropylammonium AS on physiological indexes of glyphosate-resistant soybean cultivars (RR2) and ordinary soybean cultivars (Jinda75) at different growth stages, one-trifoliolate, two-trifoliolate and three trifoliolate leaf stage.

采用随机区组的设计方法，分别在第一、二、三复叶期喷施不同剂量的41%草甘膦异丙胺盐水剂，研究了其对抗草甘膦大豆RR2和普通大豆晋大75叶片叶绿素含量指数、莽草酸质量分数和SOD活性等生理指标的影响。

Hydrogen peroxide(H_2O_2)was used as oxidant,oxalic acid as complexing agent and tungstic acid (H_2WO_4)as catalyst.

研究了以环戊烯为原料、草酸为有机络合剂、H2O2为氧化剂，在催化剂钨酸(H2WO4)的作用下一步合成戊二酸的绿色新过程，考察了氧化剂的含量、反应物配比、催化剂用量、反应温度、反应时间等对反应的影响。

The result showed that the inhibition efficiency of the degraded ESPS with a low-molecular-weight on the nucleation and growth of CaOxa crystal was obviously superior to that of the undegraded ESPS.

结果显示，具有小分子量的降解ESPS对草酸钙晶体成核与生长的抑制效果明显优于大分子量的未降解ESPS。

Compared with the undegraded ESPS, the size and number of calcium oxalatemonohydrate crystal induced by the degraded ESPS weremuch smaller.

扫描电子显微镜和X射线衍射结果表明，降解后ESPS能使一水草酸钙晶体数量进一步减少，晶粒尺寸进一步减小。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。