| 1. | Flett has examined a series of anthraquinones with various substituents on the ring . 福莱特测试了一系列环上具有不同取代基的蒽醌。 |
| 2. | In other words, replacement of the number 8 carbon by nitrogen in the purine ring does not eliminate activity . 换句话说,嘌呤环上第8位碳被氮所取代并不丧失活性。 |
| 3. | Modules with invariant factors over commutative rings 变换环上具有不变因子的模 |
| 4. | Characterization of graded prime radical of graded gamma ring 半环上的幂零理想 |
| 5. | The strength of the chain is in the weakest link 链条的力量在最薄弱的链环上。 |
| 6. | Congruences on some quasi - completely regular semirings 某些拟完全正则半环上的同余 |
| 7. | Wisdom in a poor man is a diamond set in lead 穷人的智慧是嵌在铅环上的钻石。 |
| 8. | On the matrices with entries in a pseudo - euclidean ring 关于伪欧氏环上的矩阵 |
| 9. | Diagonalization of infinite matrix on a division ring 除环上无限方阵的对角化 |