1) hard crab
硬壳蟹
2) A hard-shell clam or crab.
一种硬壳的蛤或蟹
3) crab shell
蟹壳
1.
Study on the determination of Pb,Cd,Cr in shrimp and crab shell by AAS;
原子吸收光谱法测定虾、蟹壳中Pb、Cd、Cr的研究
2.
The principle and method of preparing O-carboxymethyl chitosan from crab shell was studied.
以蟹壳为原料,研究了O-羧甲基壳聚糖的制备原理和方法;研究了盐酸浓度以及甲壳素在脱乙酰反应时不同反应时间和反应温度对壳聚糖性能的影响。
3.
In this research work,Chitin was prepared from crab shell and D-(+)-glucosamine was obtained from the hydrolysis of chitin in the hydrochloric acid solution.
以蟹壳为原料制备甲壳素,经盐酸水解、纯化得到D-(+)-氨基葡萄糖盐酸盐。
4) shell of Charybdis japonica
日本蟹壳
1.
Studies on the technology of producing good quality chitin from the shell of Charybdis japonica;
用日本蟹壳生产优质甲壳素的工艺研究
5) outer cover of river crab
河蟹外壳
6) Softshall crab
软壳蟹
补充资料：一蟹不如一蟹
1.旧题宋苏轼《艾子杂说》:"艾子行于海上，见一物圆而褊，且多足，问居人曰:'此何物也?'曰:'蝤蛑也。'既又见一物，圆褊多足，问居人曰:'此何物也?'曰:'螃蟹也。'又于后得一物，状貌皆若前所见而极小，问居人曰:'此何物也?'曰:'彭越也。'艾子喟然叹曰:'何一蟹不如一蟹也!'"后因以比喻一个不如一个。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条