In addition to the specimens mentioned above,Danser also listed Docters van Leeuwen 10834 as New Guinean material of what he identified as N. vieillardii.
在RobertHooks发现细胞的同时,LeeuwenHooks也开始用显微镜观察微小的物体。
At about the same time that Robert Hooke made his discovery,Anton van Leeuwenhoek also began to observe tiny objects with microscopes.
Following Ms. van Leeuwen' s presentation, one member reiterated in respect of octabromodiphenyl ether the comment she had made earlier concerning pentabromodiphenyl ether.
Casper van Leeuwen from the Utrecht University in the Netherlands and colleagues found that some adult aquatic snails were still alive after passing through mallards.
In addition, during the period between the seventh and eighth meetings of the Committee,the Netherlands designated Ms. Leonarda van Leeuwen to replace Mr. Jan B. H. J. Linders.
Michel van Leeuwen, Group Chief Executive of Hawksford, said,“Hawksford's acquisition of P&P fits our strategic aim of having a truly pan Asian services platform.
Also in 2003, PeCB was detected in 50% of the freshwater fish samples(eel and pike perch)in concentrations ranging between 1-10 ng/g wet weight(Van Leeuwen et al. 2004).
Casper van Leeuwen from the Utrecht University in the Netherlands and colleagues found that some adult aquatic snails were still alive after passing through mallards.
Ms. van Leeuwen subsequently presented a draft rationale prepared by the group for the conclusion that the notifications from Norway and Canada met the criteria of Annex II to the Convention.
Ms. van Leeuwen, co-coordinator of the intersessional task group that had undertaken a preliminary assessment of the notifications and their supporting documentation, reported on the work of the group.
From the Western European and others group: Mr. Jack Holland(Australia); Ms. Hang Tang(Canada);Ms. Leonarda Christina van Leeuwen(Netherlands); Mr. Juergen Helbig(Spain).
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