幼鱼
- 与 幼鱼 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The results suggest that all of the oxygen consumption rates and ammonion exretion rates of juvinile turbots of the 6 groups have a slowly increasing trend, and the bigger extent salinity changed, the more distinct trend appeared.
结果表明:盐度改变后,各突变组大菱鲆幼鱼的耗氧率和排氨率都呈现出不同程度的逐渐升高的趋势,随着盐度突变范围的增大变化趋势更为明显。
-
After salinity changing, it was about at the 24h of the experiment that the peak level of oxygen consumption rate was saw, however the highest ammonion exretion rate was seen only at 9~15h after the experiment began.
在突变后24h左右各突变组大菱鲆幼鱼耗氧率出现高峰值,48h后恢复到突变前的水平,此时各实验组大菱鲆的耗氧率没有显著的差异性(P>0.05)。
-
The results showed that the juvenile A. sinensis mainly fed on demersal fish, polychaeta and amphipoda, as well as some small-sized benthic invertebrates including shrimp, crab and bivalve.
结果表明:长江口中华鲟幼鱼以底栖小型鱼类、多毛类和端足类为主要食物,兼食虾类、蟹类及瓣鳃类等小型底栖动物。
-
The effects of four different feeding frequencies (1, 2, 3 or 4 times per day) on the feeding rate and growth of juvenile Elopichthys bambusa were studied in a 30 days trial.
研究了不同投喂频率(1次/d,2次/d,3次/d,4次/d)对鳡幼鱼摄食及生长的影响,试验持续30 d。
-
In the diet, the proportion of Platycephalidae, an important prey of juvenile A. sinensis in the past, was very low, only accounting for 1.81% of the total food by mass, while that of Gobiidae and Isopoda, which had not been recorded in the diet, was higher, accounting for 50.54% and 10.07% of the total, respectively.
与历史资料进行比较发现,曾是幼鱼重要饵料的鲬类所占比例极小,其质量百分比仅占1.81%;而以前未曾记录的虾虎鱼类在食物中所占比例较高,其质量百分比达50.54%;等足类以前也未曾记录,其出现频率达10.07%。
-
Thee isoenergetic diets containing 0%, 15% and 30% gelatinized corn starch were formulated as control, middle level and high level carbohydrate diets, respectively. The juvenile southern catfish, Silurus meridionalis Chen (50.5±0.6g) were acclimated with control diet for l5d at 27.5±0.5t. Activities of glycolytic key enzymes (HK, GK and PFK-l) and the serum glucose concentrations in the southern catfish respectively fed with the three diets were examined, at 3, 6, 12, 24 and 48h after feeding.
配制含0%、15%和30%糊化玉米淀粉的等能饲料分别作为对照、中水平和高水平碳水化合物饲料,以体重为50.5±0.6g的南方姑幼鱼为实验对象,在水温27.5±0.5℃的条件下以对照饲料驯化15d后,分别测定了以三种饲料投喂的南方鲇在餐后3、6、12、24和48h的己糖激酶、葡萄糖激酶和磷酸果糖激酶(PFK-1)的活性和血糖水平。
-
Filamentous primordial gonad formed gradually in 15-30 mm-TL juveniles (40-60 DAH), which was located in the posterior end of the abdominal cavity just beneath the mesonephric ducts closing to the body wall.
原始性腺在全长15~30mm(孵化40~60d)的幼鱼中逐渐发育完善,呈细线状,位于腹腔后部中肾管下方紧贴体壁。
-
Berger and other biologists with the Puyallup Tribe of Indians hope the delicate operation on this and dozens of other young fish will yield answers to some pressing questions: Where, exactly, do steelhead go when they leave the rivers that flow to Puget Sound?
Berger和其他生物学家,以及印地安Puyallup部落希望这种在十几条幼鱼身上做的小手术,帮助解答一些迫在眉睫的问题:虹鳟鱼究竟要游向何方?何时离开流向Puget Sound的河流?
-
However, the reproductive conditions of gyrodactylids surviving to cessation of an aluminium exposure is unknown. Therefore, Atlantic salmon (Salmo salar L.) parr infected with G. salaris was experimentally exposed to elevated concentrations of aqueous aluminium for more than 1 month.
但停止用药后存活的三代虫恢复繁殖的情况仍未知,因此,将感染三代虫的大西洋鲑幼鱼浸泡于更高浓度的铝溶液1个月以上。
-
Howeer, the reproductie conditions of gyrodactylids suriing to cessation of an aluminium exposure is unknown. Therefore, Atlantic salmon (Salmo salar L.) parr infected with G. salaris was experimentally exposed to eleated concentrations of aqueous aluminium for more than 1 month.
但停止用药后存活的三代虫恢复繁殖的情况仍未知,因此,将感染三代虫的大西洋鲑幼鱼浸泡于更高浓度的铝溶液1个月以上。
- 推荐网络例句
-
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
-
The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。