1.
Production : monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid, Yean, ammonia water.
生产：单体硼，氮化硼，硼酐，无水硼砂；盐酸，液氨，氨水。
2.
Acetylacetone was synthesized by using boron trifluoride etherate as catalyst.
采用三氟化硼-乙醚络合物为催化剂,由丙酮和乙酸酐一步法反应合成乙酰丙酮。
3.
Of, relating to, derived from, or containing boron.
硼的硼的、与硼有关的、来源于硼的或含硼的
4.
sulphuric anhydride
三氧化硫, 硫(酸)酐
5.
sulphurous anhydride [ oxide ]
二氧化硫, 亚硫酐
6.
mixed or impregnated with borax.
与硼酸混合，或注入硼酸。
7.
PREPARATION OF 4-HYDROXYPHTHALIC ANHYDRIDE BY AN ALKALI MELT PROCESS FROM 4-CHLOROPHTHALIC ANHYDRIDE;
4-氯代苯酐碱熔融法制备4-羟基苯酐
8.
A salt or an ester of boric acid.
硼酸盐一种硼酸盐或硼酸酯
9.
Borax is the compound commonly applied to the soil to correct boron deficiency.
硼砂是矫正土壤缺硼的常用硼化合物。
10.
The effect of borax ordered in 0.2%>0.3%.
硼肥的效果是硼砂(0.2％)＞硼砂(0.3％)。
11.
Chemical reagent-Acetic anhydride
GB/T677-1992化学试剂乙酸酐
12.
polyvinyl methyl ethermaleic anhydride
聚乙烯甲基醚／马来酸酐
13.
determination of hydroxyl value-acetic anhydride method
羟值的测定-乙酐法
14.
ethoxylated sorbitan
羟乙基化山梨糖醇酐
15.
sorbitan fatty acid ester
山梨糖醇酐脂肪酸酯
16.
xylitan monostearate
木糖醇酐单硬脂酸酯
17.
sorbitan monostearate
山梨醇酐单硬脂酸酯
18.
production line and technology for manufacturing phthalic anhydride
苯酐生产技术及设备