首蟲科 的英文怎麼說
中文拼音 [shǒuchóngkē]
首蟲科
英文
ancyrocephalidae-
Of the 16 families studied, 5 families are first recorded from china. 6 families were oldest in geological history in the world. the results demonstrated that the east asian, especially northeast china, is one of the original places of snake - flies and lacewings
共有6個科級單元在世界上是最低層位， 5個科級單元化石在我國是首次發現，研究結果表明我國北方在中生代是昆蟲的重要起源與演化中心之一。Based on the quantitative studies of siliceous microorganisms and terrestrial detritus in 12 surface sediment samples, which were recovered by the first chinese national arctic expedition team, in the bering sea, it goes without saying that diatom abundance is dominant within the microorganisms which consists of diatoms, radiolarians and sponge spicules
摘要中國首次北極科學考察在白令海?取了12個表層沉積物樣品，其中對矽質生物和陸源碎屑的詳細研究發現，它們主要由矽藻、放射蟲和海綿骨針組成。It was the first trial to employ the newly equipped migration data acquisition and analysis system for the scanning entomological radar and, a twin light - trap developed in china for, systematic long - term observations of migration of the beet armyworm spodoptera exigua, beet webworm loxostege sticticalis and cotton bollworm helicoverpa armigera in northern china the study provided direct evidence for the migration of 5 ". exigua in china, many parameters of migratory behaviour of the three species of insects, a better understanding of the relationship between migratory behaviour and wind or temperature field. the results enriched the theory of migration and provided new scientific knowledge for pest management in china
本研究初步闡明了我國華北地區空中昆蟲群落結構，首次使用我國自行研製的掃描昆蟲雷達的數字化數據採集及分析系統，及價廉、高效的姊妹燈誘蟲法對華北地區甜菜夜蛾spodopteraexigua 、草地螟loxostegesticticalis和棉鈴蟲helicoverpaarmigera的遷飛進行了長期系統地觀測，得到了甜菜夜蛾在我國北方遷飛的直接證據，三種害蟲遷飛行為的若干參數，認識了昆蟲遷飛行為與風溫場的關系，豐富了昆蟲遷飛理論，為我國害蟲的治理提供了科學依據。In china, there is only a few scholars have been involved in this field and no systematic taxonomy on this group, this study is to clarify the exact number of the species in china, to describe them, and to revise the current taxonomic system of the subfamily. this study is major in taxonomy of the subfamily hecalinae from china, including its taxonomic resume, zoogeography and taxonomic status. as a result, a revised taxonomic system of hecalinae is proposed, 2 new genera, 10 new species and 2 new subspecies are described, and 3 cinese new records are reported
文中簡要闡述了鏟頭葉蟬的寄主范圍和為害，本研究的目的和意義，詳細闡述了該亞科的國內外分類概況，簡單介紹了該亞科的研究方法，重點進行了鏟頭葉蟬亞科的分類，提出中國鏟頭葉蟬族的屬級分類系統，共記錄和描述中國鏟頭葉蟬亞科2族7屬26種，其中新屬2個，新種10個，新亞種2個，中國新記錄種3個，首次描述了黃綠六室葉蟬thomsoniellanitobei的雄蟲特徵。If the parasite can alter rat behavior, does it have any effect on humans ? dr. e. fuller torrey associate director for laboratory research at the stanley medical research institute noticed links between toxoplasma and schizophrenia in human beings, approximately three billion of whom are infected with t. gondii : toxoplasma infection is associated with damage to astrocytes, glial cells which surround and support neurons. schizophrenia is also associated with damage to astrocytes
雖然那是科幻故事，但就寄生蟲到底能否改變人類行為這一說法，目前科學界還真掌握了不少論據：首先，世界上約有300萬精神分裂癥患者同時感染了弓漿蟲病感染弓漿蟲與大腦內星形膠質細胞受損有關星形膠質細胞是一種圍繞和支持神經元的神經膠質細胞，而神經分裂癥同樣與星形膠質細胞受損有關本身具有高水平弓漿蟲The average transition : transversion ratio was 1. 0 which indicated the genetic differentiation was great. the ration was 2 in nuclear dna gene. as a rule the ts : tv ratio decreased with the increasing genetic distance
1數據分析軟體，構建蚜總科蚜蟲分子系統樹，探討這些類群這間的分類地位和親緣關系，這在國內外尚屬首次。( d ) it is strongly suggested that subfamily mirinae should be revised because its remarkable heterogeneity. 3. for the first time, cyt b gene 432bp sequences of species belonging to genera of 5 subfamilies and 2 outgroup species are obtained in this research which is more than 50 % of 64 species involved in the experiments
3 、首次在盲峙科昆蟲中通過特異引物擴增和基因測序的研究方法獲得了盲峙科5個亞科門個屬34種盲峙和2個外群種類的cytb基因433hp序列，占被試23個屬64種盲峙的50以上。分享友人