下旬

There were three peaks of the apothecium number appeared in the last ten days of June, in the middle and the last ten days of July. If the rainfall is sufficient enough, the apothecium would keep high level.

寒地春油菜菌核病菌子囊盘于六月中旬在田间始见，其数量在6月下旬、7月中上旬和下旬出现三次高峰，当雨量充足时可持续保持较高水平。

In low age larva is filled period the effect of prevention and cure to garlic root maggot undertakes different drug experiment and be investigated, the result makes clear: 27 years garlic root maggot produces 3 generation in Jiangsu, generation of live through the winter is imaginal in March the last ten-day of a month fills hair; the middle ten days of a month on April fills generation larva hair, the middle ten days of a month saw in May aurelian, the last ten-day of a month was; of fastigium of generation imago ascend to heaven and become immortal in May the 2nd generation is larval the first ten days of a month was filled to the middle ten days of a month in June hair, the last ten-day of a month came in June in September the last ten-day of a month with aurelian more summer, 2 generation are imaginal at; of the ascend to heaven and become immortal at the beginning of October coming by September the 3rd acting larval fastigium is on October the middle ten days of a month, the first ten days of a month is larval in November in succession pupate live through the winter, immediately following in time year of spring (the middle ten days of a month on April) begin emergence.

在低龄幼虫盛期就不同药剂对大蒜根蛆的防治效果进行试验和调查，结果表明：2007年大蒜根蛆在江苏发生3代，越冬代成虫于3月下旬盛发；第一代幼虫4月上中旬盛发，5月中旬见蛹，5月下旬为一代成虫羽化高峰期；第二代幼虫6月上旬至中旬盛发，6月下旬至9月下旬以蛹越夏，二代成虫于9月底至10月初羽化；第三代幼虫高峰期在10月上中旬，11月上旬幼虫陆续化蛹越冬，翌年春季(4月上中旬)开始羽化。

Combination of indoor rearing and field observations, in 2008 the overwintering codling moth adult emergence is not concentrated, it began in mid-April. The overwintering generation to reach the peak of adult emergence in mid-May, in early June to late June codling moth adult emergence did not intermittent. In early July being the first generation of adult was eclosion, the emergence period long duration and the peak appeared in late-July.

通过室内饲养和田间观察发现，2008年苹果蠹蛾越冬代成虫羽化不集中，4月中旬成虫开始羽化，5月中旬越冬代成虫羽化达到高峰期，6月上旬到6月下旬苹果蠹蛾成虫羽化没有间断。7月上旬第一代成虫陆续羽化，羽化期较长，在(来源：A904040BC论文网www.abclunwen.com)7月下旬达到高峰。8月上中旬诱捕雄成虫数量逐渐减少。

The major onseting period of blank cutworm is between middle and later of April and May in Dewu region. Often it would take 60 to 66 days of one generation from egg to larva, pupa, and imago in Dewu region.

2小地老虎在德坞地区对玉米的为害盛期主要在4月中下旬至5月中下旬；一代小地老虎在德坞地区完成从卵、幼虫、蛹和成虫一个世代大约经历60-66天。

In the late of April of the second year, male inflorescences unbound and pollinated. When female inflorescences accepted the pollen grains, ovary development was increased in early May. With the development of either of the two ovule, funiculus, integument and nucellus were differentiated. Embryo sac mother cell came into being and the meiosis begins. Then fuctional megaspore developed into matured embryo sac that contain eight nucleuses. In the end of May, double fertilization generated.

次年，4月下旬，雄花序解螺旋散粉，雌花序开花授粉；5月上旬，雌花序授粉后，迅速增长，子房膨大，两个胚珠分化出珠柄、珠被和珠心，珠心中产生孢原细胞；5月中下旬，大孢子母细胞形成并减数分裂，功能性大孢子形成成熟的八核胚囊；5月底，发生双受精。

It will take 51 to 63 days for second generetion of armyworm to develop from egg to larva, pupa, and imago in Dewu region. 5. There is evidently difference of armyworm imperilment degree in different altitude.

幼虫发生期在6月中下旬至7月中下旬，乐民发生期比德坞早3-5天；第二代粘虫在德坞地区完成从卵、幼虫、蛹和成虫一个世代需经历47至59天。

Year period of natural snow skiing in late November to late March next year, up to 120 days.

天然雪滑雪期常年在11月下旬至次年3月下旬，可达120天。

For the noctuid larvae, big and moderately sized individuals had higher Cu concentrations in late September than in late August, but small ones had similar concentrations between the two times.

对夜蛾幼虫，个体中等或较大者9月下旬Cu含量显著高于8月下旬，但个体较小者Cu含量在两采集时间之间无显著差异。

In the second cycle (late July-late September), precipitation and west wind extend northeastward, precipitation become strong and this time is the most prosperous period of WNPSM.

到了第二循环(7月下旬—9月下旬)季风降水和西风都明显向东向北推进，降水强度增大，是西北太平洋夏季风的强盛时期。

It overwinters as mature larvae in its host gall, pupates in late next March, and the adults get out of their host gall between early April and late May.

该小蜂在北京1年发生1代，11月下旬以老熟幼虫在寄主虫瘿内过冬，翌年3月下旬起化蛹，4月初为化蛹高峰期。4月中旬开始羽化，5月初盛发，5月下旬终止。

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。