草酸

Effect of the concentration of oxalic acid on the hydrogen evolution rate follows Langmuir-Hinshelwood expression.

3草酸浓度对放氢反应速率的影响符合Langmuir-Hinshelwood关系式。

Just as expected, large amount of oxalic acid are found in the reaction system and its concentration increases as the reaction time increases.

正如预期的那样，反应体系中大量草酸被检测到，并且随着反应时间的增加，其浓度不断升高。

The color, size, season, and oxalic acid content of rhubarb can vary.

颜色 ，大小，季节，与草酸含量大黄可以有所不同。

If it is a peach juice usable soap or oxalic acid, then wash detergent to.

如果是桃子汁可用草酸，再用肥皂或洗衣粉来洗。

Geochemical analyses include 'total'(concentrated HNO3 -HCl digestion) and chemical forms (three step sequential digestion, reducible, oxidizable and residual forms) of heavy metals Cu, Zn, Pb, Cr,Fe and Mn, iron oxides dithionite-citrate-bicarbonate (DCB and ammonium in the dark extraction as the estimation of total and amorphous iron oxides, respectively, total sulfur and organic matter.

化学分析包括重金属（Cu、Zn、Pb、Cr和Fe、Mn）"总量"（浓HNO3、HCl提取，非严格的总量）、形态（三步提取法，可还原态、可氧化态和残渣态）、氧化铁（连二亚硫酸钠－柠檬酸钠－重碳酸钠提取和草酸铵提取分别估计总氧化铁和无定形氧化铁）、总硫和有机质，并比较了DCB提取前后样品磁性特征的变化。

It was identified as Penicillium oxalicum by the morphological observation and analysis of DNA sequences.

经过形态观察和核糖体间隔区ITS扩增序列分析，确定该菌株为草酸青霉菌属。

Major procurement of goods: a three-chlorosilanes, dichloromethane, AE activity ester, 3-iodine Silane, special acid, pentyl chloride, triethylamine, thiadiazole, tetrazolylazo acid, 2 - Acetamide, tetrahydrofuran, the four-guanidine, isopropanol, five phosphorus trichloride, sodium vary bitter, acid, sodium phenylacetate, 6-2 silicon n-amine, Ethylacetoacetate , Methyl isobutyl ketone, potassium dihydrogen phosphate, aluminium oxide, DL methionine, N, N-dimethylaniline, NN-diethyl aniline, 4 sodium EDTA, Anhydrous sodium sulfate, ammonium sulfate, potassium sulfate, sodium acetate, sodium carbonate, DMC, formic acid, sodium chloride medicinal, oxalate, protopine, acetone, alcohol, acetic acid, vinegar Ethyl, butyl acetate, methanol, ethanol (anhydrous, industrial, medicinal), formaldehyde, Ye Jian (30%), hydrochloride (industrial-grade, refined grade, reagent level), sulfate (98%), Ammonia, calcium carbonate, chlorine dioxide, 6 - APA ,7-ACA ,7-ADCA ,7-ANCA, sulbactam, ceftazidime activity ester, Deng salt (hydroxymethyl-K, acid precursors Potassium, sodium dihydrogen methyl), resin, the enzyme, water treatment agent, Xiao Mo agent, demulsifier, flocculants, activated carbon, all kinds of medicinal materials, All kinds of additives

三甲基一氯硅烷、二氯甲烷、AE活性酯、三甲基碘硅烷、特戊酸、特戊酰氯、三乙胺、噻二唑、四氮唑乙酸、二甲基乙酰胺、四氢呋喃、四甲基胍、异丙醇、五氯化磷、异辛酸钠、苯乙酸、苯乙酸钠、六甲基二硅胺烷、乙酰乙酸乙酯、甲基异丁酮、磷酸二氢钾、三氧化二铝、DL蛋氨酸、N，N-二甲基苯胺、NN-二乙基苯胺、乙二胺四乙酸四钠、无水硫酸钠、硫酸铵、硫酸钾、醋酸钠、碳酸钠、碳酸二甲酯、甲酸、药用氯化钠、草酸、片碱、丙酮、正丁醇、冰醋酸、醋酸乙酯、醋酸丁酯、甲醇、乙醇、甲醛、液碱（30％）、盐酸（工业级、精制级、试剂级）、硫酸（98％）、氨水、碳酸钙、二氧化氯、6－APA、7－ACA、7－ADCA 、7－ANCA、舒巴坦、头孢他啶活性酯、邓盐(羟甲基钾、前体酸钾、二氢甲基钠)、树脂、生物酶、水处理剂、消沫剂、破乳剂、絮凝剂、活性碳、各种药用辅料、各种添加剂

The content of cordyceps acid was determined with the sodium periodate method.

方法用微波法提取人工蝉花和野生蝉花的活性成分，用高效液相色谱法测定虫草素和腺苷含量，用高碘酸钠法测定虫草酸含量，用苯酚-硫酸法测定虫草多糖含量。

As the plants grew for a longer time the cells in the phellem of the taproots become smaller in size and closer in arrangement and calcium oxalate crystal declined in quantity in the phelloderm of the taproots all the taproots had three secretory canals but on average the calibers of the canals gradually become smaller the parenchyma cracks in outer phloem and the xylem part near the root center gradually increased in size ,and the area ratios of phloem to xylem continuously decreased the vessel and vessel-layer numbers in secondary xylem of the transplanted .

不同生长年份的移山参主根结构具有一定差异：随生长年份的增长，木栓层细胞体积变小，排列趋于紧密；栓内层草酸钙结晶越来越少；分泌道均为3轮，但平均口径逐渐减小；韧皮部外侧和木质部靠近根中央处的薄壁组织的裂隙逐渐增大；韧皮部与木质部的面积比则不断下降；12年，16年生移山参主根次生木质部中导管数量和层数明显多于8年生。

Single phase La2Zr2O7 powders were synthesized by co-precipitation method using ammonia and oxalate ammonium as precipitant agent, respectively.

分别采用氨水和草酸铵作沉淀剂，通过化学共沉淀法制备了单相La2Zr2O7粉末。

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。