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When the time for transformation has come, a larva wraps itself in a cocoon and becomes a chrysalis.

当蜕变的时机到来时,一只幼虫把自己裹进茧中变成了一只

The ovum, the larva ,pupa and development starting point temperature of the whole generation respectively are 8.5℃, 9.8℃, 10.2℃, 10.4℃ in cineraria, effective accumulated temperature 52.7、 75.8、 158.5、

在瓜叶菊上采集的美洲斑潜蝇卵、幼虫、和全世代的发育起点温度分别为8.5℃、9.8℃、10.2℃、10.4℃,有效积温分别为52.7、75.8、158.5、262.2日·度。

Methods:In the Cordyceps militaris strains growth test in culture medium,the growth rate of hyphae and the amount of conidiophore s were studied.

通过虫草菌株在培养基上的生长试验,观察其菌丝生长速度及产分生孢子的数量等生长情况。

A growth curve of C.militaris and the effective treating time of some fungal elicitors have been determined and set up.

建立和测定了虫草生长曲线及真菌激发子处理的有效时间。

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、和成虫一个世代大约经历60-66天。

Another,for GRISELESF,10 ml/m2,after 3rd day,the density degression rate of mosquito larvae was 96%,and the rate of pupae was only 20%.

生物蛙在10ml/m2的剂量下,第3d蚊幼密度出现96%的下降率,而的下降率较低,仅为20%。

Itimes of that of controlled larvae. The mortal peaks of larvae wasl-7d and 29-35 d, in which most of treated larvae was killed. The transgenic Betula platyphylla could reduce the ecdysis index of larvae.

转基因植株能够延迟幼虫蜕皮,降低幼虫蜕皮指数,实验30天时对照幼虫蜕皮指数是3.323;处理幼虫蜕皮指数在2.933~3.038之间,并且处理幼虫无一能够完成幼虫期达到化

The results showed that the eclosion time of most of the pupae (90%) is from early June to the end of July.

结果表明:约90%的在6月初到7月末之间羽化,而7月份羽化的数量占总数的一半之多。

The influence of light-dark cycles in the pupal stage was greater than that in the larval stage on daily eclosion time.

oceana雌会因活雄蚊的存在而更容易羽化。P。 oceana雄蚊活动时间的长短会受到羽化后温度会影响。

MethodsThe rat chronic renal failure model induced by feeding adenine was used to investigate rat blood urea nitrogen, creatinine, amount of emiction within 24 h, urinary protein and pathological reaction of nephridial tissue by means of comparing the blank control, negative control, positive control with the Cordyceps minlitaris stroma of CRF rats.

方法采用饲喂腺嘌呤诱导大鼠慢性肾衰模型,观察比较了空白组、阴性对照组、阳性对照组和虫草子实体组CRF模型大鼠血尿素氮、肌酐、24 h尿量、尿蛋白

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力