1. The midgut gland cell differentiation occurs at Z2. There are 4 types of cells, i. e. , embryonic cell (E-cell), fibrillar cell (F-cell), blister cell (B-cell) and resorptive cell(R-cell). 中肠腺小管上皮在Z2期细胞已有了分化,由4类细胞组成,即胚细胞(E细胞)、纤维细胞(F细胞)、泡状细胞(B细胞)和吸收细胞(R细胞)。
2. The mature archegonia contained neck cell, ventralcanal cell and egg cell, but neck cell and ventralcanal cell has degenerated. 成熟的颈卵器含有颈细胞、腹沟细胞和卵细胞,但颈细胞和腹沟细胞已经退化。
3. The mature archegonia contained neck cell, ventralcanal cell and egg cell, but neck cell and ventralcanal cell has degenerated. 成熟的颈卵器含有颈细胞、腹沟细胞和卵细胞,但颈细胞和腹沟细胞已经退化。
4. Results:In the qualitative analysis, all qualitative methods but potassium bichromate method were satisfactory. 结果:定性分析中,除重铬酸钾显色法所得结果不十分理想外,其他各定性实验均令人满意。
5. The oxidation of isosafrole is reaction with chromic anhydride-acetone, chromic anhydride-acetic acid, sodium bichromate-sulfuric acid and so on. 用三氧化铬-丙酮、三氧化铬-乙酸、重铬酸钠-硫酸等氧化剂对异黄樟油素进行了氧化反应。
网络释义
bichromate of potash potassium bichromate potassium dichromate 重铬酸钾;
bichromate of potash potassium bichromate potassium dichromate 重铬酸钾;