... Detailed biological and chemical reports on tars used for road-surfacing
Ministry of Transport, Edwin Charles Jee, Great Britain. ... The main spawning season for ... Corked specimen tubes of 1 inch diameter were carefully cleaned and dried, after which 10 c.c. of hatchery water or the solution of tar substance to be tested, as the case might be, ... A sample of the milt used was received into a clean Petri-dish for examination of sperm vitality, for the tests previously described. 4.
| Title | : | ... Detailed biological and chemical reports on tars used for road-surfacing |
| Author | : | Great Britain. Ministry of Transport, Edwin Charles Jee, Great Britain. Ministry of Agriculture and Fisheries |
| Publisher | : | - 1930 |
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