一酸的

Soil drenching with 0.5% potassium permanganate or 0.4% sulfuric acid at the rate of 6-12 liters per square meter of seed-bed applied one week before planting in combination with foliage-spraying with 0.4—0.8% Dithane Z-78 or 0.6—1.0% Bordeaux mixture results a satisfactory control of the disease.

在播种前一周用0.5％高？酸？或0.4％硫酸作土壤消毒和在苗期用0.4—0.8％的代森？或0.6—1.0％波尔多液药剂？？雾有一定防治效果。

Objective: To develop a method for the determination of trace bromate in drinking water by high performance ion chromatography with large volumn direct injection.

目的：建立一种简单快速，采用直接大体积进样，电导检测饮用水中痕量溴酸盐的高效离子色谱法。

A method for analysis ofγ-aminobutyric acid in germinated brown rice by high performance liquid chromatography was developed.

建立一种发芽糙米中γ-氨基丁酸含量的高效液相色谱测定法。

Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated.

研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应。

Any of three glycerides of butyric acid .

异氰酸形成的一种盐或酯。

3The adsorption of carboxylate on oil sand increases to maximum and then decreases with the increasing of surfactant concentration.

改性植物羧酸盐SNHD吸附量随着活性剂浓度的增加出现一最大值，然后下降。

A clear liquid carboxylic acid used in perfumes and drugs.

一种清亮的液体羧基酸，用于香水和药物中。

Any of various enzymes that catalyze the hydrolysis of ATP, causing the release of phosphate and energy.

一种酸，因其形成的盐和酯而为人所知。

Made of a colloid of cellulose nitrate plasticized with camphor, it is tough, cheap to produce, and resistant to water, oils, and dilute acids.

它是一种坚韧材料，具有很大的抗张强度，耐水、耐油、耐稀酸。

A thick, golden-brown viscous solution of cellulose xanthate, used in the manufacture of rayon and ''.

粘胶液一种粘胶性的金棕色溶液，含有黄原酸纤维素，用于制造人造纤维和''。

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。