查询词典 phosphoric

The film formed during the first stage was differe nt from that formed either in phosphoric acid or sodium tungstate electrolyte.

第一阶段形成的氧化膜与在单独的磷酸或钨酸钠体系中形成的氧化膜有所不同。

The increase of phosphoric fertilizer could offset the harm of drought stress on plant upgrowth and metabolize active and enhance output and water use efficiency of plants.

施磷肥在一定程度上弥补了干旱胁迫对植株生长发育及代谢活性所造成的伤害，并最终表现在显著提高了产量和水分利用效率。

In order to study the effects of acid catalysts on wood liquefaction in phenol, the liquefaction of wood powder from Chinese fir and poplar in the presence of phenol using several relatively weak acids as catalysts, such as phosphoric acid (85%), sulfuric acid (36%), hydrochloric acid (37%) and oxalic acid (99%), were investigated.

为了探讨酸性催化剂对木材苯酚液化的影响，该研究采用磷酸(85%)、低浓硫酸(36%)、盐酸(37%)、草酸(99.5%)4种弱酸性无机酸，在不同温度下进行了木材的液化试验。

Brown-rotted wood can be more easily liquefied than normal wood. When the weightratio of wood and Phenol to phosphoric acid was 1:2:0.16, the residue content of liquefieddecayed wood was only 7.6％for 0.5h.

试验结果证明，当1％NaOH抽出物或结晶度变化至54％和28％左右时，木材的生物预降解程度即可达到缓和液化条件的目的。

Activated carbon was prepared from flax residue activated with zinc chloride and phosphoric acid.

以亚麻屑为原料，采用磷酸和氯化锌进行了对比活化实验，探讨了浸渍比、活化温度对活性炭的吸附性能、得率和比表面积的影响。

With 7-Al2O3 treated by the phosphoric acid as the carrier, CuO/NiO as the active components, a catalyst was prepared for the synthesis of cyclohexylamine by aminolysis of cyclohex-anol.

以磷酸预处理的γ-Al2O3为载体，二次浸渍CuO/NiO活性组分制备催化剂，用于环己醇合成环己胺的临氢氨解反应。

Experiments of ammoniated slurry concentrated process are described by using Yichang middle grade phosphate rock,including the technology of wet-process phosphoric acid,ammonization,concentration and drying of ammoniated slurry.

介绍宜昌中品位磷矿采用&料浆浓缩&工艺制取磷酸一铵的评价实验，对湿法磷酸工艺、磷酸氨化、磷铵料浆浓缩和干燥等过程进行了研究，测定了有关的物性数据和技术经济指标，为我国中品位磷矿采用料浆浓缩法制磷酸一铵工艺提供参考数据。

In medium of mixed sulphuric acid and phosphoric acid, with N-phenylated anthranilic acid as a tracer agent, the standard solution of ammonium ferrous sulphate is used to titrate chromium.

试样以硝酸、氢氟酸溶解，加高氯酸冒烟驱除硅和氟，并将铬氧化为六价，在硫磷混合酸介质中，以N-苯代邻氨基苯甲酸为指示剂，用硫酸亚铁铵标准溶液滴定铬。

B. Each kind of nucleic acid is composed of three parts: Molecular azotic basic group + member pentose + molecular phosphoric acid radical, DNA is by C, H, O, N, the P five kind of elemental compositions. c. The nucleic acid azotic basic group may divide into four kinds: Guanine, thymine, adenine, cytosine d.

b。 每一种核酸由三个部分所组成：一分子含氮碱基+一分子五碳糖+一分子磷酸根，DNA都是由C、H、O、N、P五种元素组成的。

Potassium, natrium determines it is good that use ion chooses electrode indirect method it is better also with indirect method to determine at calcium of direct way;, it is next occasionally phosphor of; of law of azotic arsenic Ⅲ determines use phosphor molybdic acid is ultraviolet law outcome is better it is better with result of law of personal candy kinase that; blood sugar determines; urea determines use Niao enzymatic ultraviolet anhydride of better; flesh uses rate law result enzymatic law outcome is better; albumin determines, it is vanadium acid next alkalescent phosphoric acid of oxidation law; is enzymatic determine outcome of fluid of use AMP amortize is better; amylase determines law of thing of enzymatic standard background and iodic colorimetric law coefficient of variation all bigger, former a bit small, latter of percent of pass is tallish, each lab can try to choose according to his condition.

结论钾、钠测定使用离子选择电极间接法好于直接法；钙测定用间接法也较好，其次是偶氮砷Ⅲ法；磷测定使用磷钼酸紫外法结果较好；血糖测定用己糖激酶法结果较好；尿素测定用脲酶紫外速率法结果较好；肌酐用酶法结果较好；白蛋白测定用溴甲酚绿法较好；胆红素测定用酶法结果好，其次是钒酸氧化法；碱性磷酸酶测定使用AMP缓冲液结果较好；淀粉酶测定酶法底物法和碘比色法变异系数均较大，前者稍小，合格率后者稍高，各实验室可根据自己的条件加以选用。

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。