英语释义

• a colorless poisonous gas; made by the oxidation of methanol

片语

urea methanal preparation尿甲醛制备

hypothermia methanal steam低温蒸汽甲醛

methanal preparation甲醛制备

urea methanal尿甲醛

methanal sodium bisulfite甲醛次硫酸氢钠

methanal absorbent solution甲醛吸收液

Tetramethyl-p-methanal对二甲氨基甲醛

methanal plus potassium permanganate fumigating甲醛熏蒸法

formaldehyde蚁醛，[有化] 甲醛

英汉例句

• create the model with sick sinus syndrome by external application of 20% methanal on the sino-atrial node. observe the changes of heart rate and electro-physiological index of sinoatrial node.

  用20％甲醛液外敷窦房结区制作病态窦房结综合征（病窦）模型，观察参仙升脉液十二指肠给药对家兔病窦模型的心率和窦房结电生理指标的变化。

• the results show that compared with gasoline engine oil, the degree of oxidation and nitration of gasoline engine oil by adding methanol, methanal and methane acid is increased.

  结果表明，加入甲醇、甲醛和甲酸后的油样和汽油机油相比，氧化和硝化程度都增大了；

• the excess of methanal in food will harm the human body. there're many methods of detecting methanal in food. a quick detection reagent for methanal is described in the paper.

  食品中甲醛的含量超过标準，有碍人体健康，对食品中甲醛的检测有多种方法，这里介绍了一种快速检测甲醛的试剂。

• the detection rate of methanal sodium bisulfite was the lowest in steamed bun (0.0%) and the highest in vermicelli (22.9%).

  甲醛次硫酸氢钠检出（超标）率，馒头最低（0.0%），粉丝最高（22.9%）。

• for the sake of contrast, the atmospheric so_2 over leshan urban area was determined by two analytical methods, methanal absorption and tcm absorption.

  本文探讨了大气中二氧化硫监测方法，采用甲醛法和四氯汞钾法对乐山城区大气中二氧化硫进行对照分析。

• for group b, the vitalight lamp radiation and steaming of methanal plus pp were used in combined air sterilization.

  紫外线灯照射与甲醛加pp熏蒸联合空气消毒为b组。

• methanol is used as a solvent and in methanal production.

  甲醇用作溶剂，以及用于甲醛生产。

• their sampling, specimen preservation as well as analysis are discussed. and the characteristics, applied range and shortcomings of methanal absorbent method are pointed out.

  从采样、样品保存和分析方面等几个方面进行了探讨，并指出了甲醛法的特点、适用范围和存在的问题。

• conclusion either 1% methanal or 0.5% hydrochloric acid abdominal cavity injection method was very simple and easy and economy in establishment of syrain hamster intestinal adhesions model.

  结论1%甲醛、0.5 %盐酸腹腔注射法在金黄地鼠肠粘连模型的建立中均是经济、简便易行的方法。

• observing and comparing the detection results between which were spiked with methanal and no spiked one were performed.

  结果甲醛对加热法、氢氧化钠法、氯化钯法、分光光度法等检测方法均可产生不同程度的干扰。

• methanal and ethanol fuel is of strategic significance from the standpoint of our energy multiple and energy security.

  甲醇和乙醇燃料从我国能源多元化和能源安全角度出发，有重大的战略意义。

• method applied the mkj air disinfecting machine and methanal plus potassium permanganate fumigating to disinfect the air in emergency room, and then compared the disinfecting effect among them.

  方法在急诊治疗室应用mkj除菌消毒空气洁凈器和甲醛加高锰酸钾熏蒸法对空气消毒效果进行比较。