查询词典 Dermacentor

It is caused by Rickettsia rickettsii and spread by ticks of the genus Dermacentor.

该病由立克次氏体引起，由革蜱属的蜱类传播。

Dermacentor species predominate as a cause in North America, while Ixodes mainly causes the disease in Australia.

该疾病由某些种类的成年蜱的唾液中的神经毒素所引起。

Dermacentor species predominate as a cause in North America, while Ixodes mainly causes the disease in Australia.

在北美，该疾病主要由革蜱属的蜱引起，而在澳大利亚则主要由硬蜱属的蜱引起。

The results showed that H.wellingtoni,H.yeni,Dermacentor auratus and Rattus flavipectus were infected wit...

结果显示：宁化县的越原血蜱、微小血蜱、金泽革蜱和漳州市的黄胸鼠可能感染西伯利亚立克次体；NH－95株在蛋白多肽、抗原多肽和PCR／RFLP图谱上均与西伯利亚立克次体一致，在中国南方地区首次从病原学证明存在北亚蜱传斑点热的自然疫源地。

Of the free tick, Hyalomma asiaticum asiaticum was the dominant species in the southern part while Hyalomma asiaticum kozlovi was the dominant species in the eastern part.Both of them accounted for about 66.9% and about 25% was overlapped. Among the parasitic ticks, Rhipicephalus turanicus was the dominant species and its proportion was higher than that in the northwest.The proportion of Rhipicephalus sanguineus reached about 10%,which was identical to Dermacentor niveus .

游离蜱中亚洲璃眼蜱指名亚种在南部地区占主要地位，为72.6%，而在东部地区以亚东璃眼蜱为主，为66.9%，存在25%左右的交叉，寄生蜱中以图兰扇头蜱为主，并较西北部的比例偏高，血红扇头蜱的比例达10%左右，与银盾革蜱基本一致，较西北部高出20左右。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。