查询词典 nymphal

The result showed that there was obvious difference between nymphal density of Erythroneura apicalis Nawa and the leaf damage index of various grape varieties.

结果表明，不同葡萄品种之间葡萄斑叶蝉的虫口密度与叶片被害指数差异明显，经方差分析达极显著水平。

Fry feed on nymphal and larval insects while in fresh water, but once at sea may not feed at all until they become juveniles, when they eat copepods and other zooplankton.

在新鲜的水中，但一旦在海上可能不饲料，直至他们吃桡足类和其他浮游动物时，他们变得青少年，鱼苗喂若虫和幼虫昆虫。

There are three instars in the nymphal stages.The mean developmental period from egg to adult was 24.5 days.

从卵发育至成虫平均需24.5d，其中卵期平均9.0d、一龄若虫平均7.4d、二龄若虫平均3.8d、三龄若虫3.5d。

CO〓 and soil water affected aphid population indirectly through the direct effects on the wheat characteristics. The population increase was due to both high adult fecundity and shortened nymphal period.

3在700ppm范围内CO〓对禾谷缢管蚜的直接影响很小，CO〓和土壤水分对禾谷缢管蚜种群的影响主要来源于间接影响，即通过影响小麦的理化性质进而影响蚜虫的个体行为和种群大小。

Nymphal ticks are out now.

蛹现在钻了出来那可是群嗜血的小畜生。

There was a stable and relatively low expression level for Lbα1 and a progressive expression pattern for Lbα8 among the 1st,2nd,3rd,and 4th nymphal stages.5 Development and reproduction of L.decolor as a function of temperatureThe developmental rate,survival,intrinsic rate of increase,net reproductive rate(R_0),mean generation time,and population doubling time of L.decolor population were evaluated at eight constant temperatures.

Lb a1在1龄、2龄、3龄、4龄若虫及成虫中的表达水平分别是Lb a8的2.03、2.55、4.77、6.54、和5.28倍，且它们之间的差异均达到显著水平(P＜0.05)。5温度对无色书虱发育和繁殖的影响通过比较无色书虱在不同温度条件下的发育速率、存活率、内禀增长率等生命参数以明确无色书虱在不同温度条件下的发生发展规律。

Effects of photoperiod on nymphal development were investigated in two subtropical populations of Periplaneta japanna living on Naha, Okinawa Islands (26N) and Hachijo island (N33N), Japan.

为弄清光周期对一种亚热带蜚蠊若虫发育的控制机理，检测了光周期对冲绳(26°N)和八丈岛(33°N)两个地理种群若虫发育的影响。

Damselfly - an important stillwater aquatic insect most commonly imitated in the nymphal form; usually hatches in early to mid-summer.

通常在初夏以后到仲夏之间孵化，成虫象dragonfly，休息的时候翅膀叠于背部。

Impacts of transgenic rice lines on biological characteristics of Microvrlia horvathi Nymphal duration of Microvrlia horvathi fed with young instar of BPH nymphs feeding on Bt rice after hatching was not significantly different from that feeding on Xiushui 11 control.

七、转基因抗虫水稻对尖钩宽黾蝽生物学特性的影响饲喂转基因水稻或对照品种上饲养的褐飞虱，两种转基因水稻处理组的尖钩宽黾蝽各龄若虫历期和整个若虫期与它们各自的对照都无明显差异。

The contents of lysine, alanine and arginine among 17 kinds of amino acids had been identified to be opposite correlation with the leaf damage index (r=-0.9389, P.05; r=-0.8925, P.05; r=-0.8905, P.05) respectively. But nymphal density of Erythroneura apicalis Nawa had no significant relationship with 17 kinds of amino acids.

在17种氨基酸中，葡萄斑叶蝉的虫口密度与各氨基酸的含量无显著相关关系，但叶片被害指数与赖氨酸、丙氨酸、精氨酸的含量呈负相关关系(r=-0.9389， P.05； r=-0.8925， P.05； r=-0.8905， P.05)。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了