The change of frequency, draws the conclusion through observing fish's respiratory rate and coughing: Luo is not the respiratory rate of fish and bright cloud porgy, drop with increase of Cu2+ density, cough frequency increases with increase of Cu2+density; Respiratory rate and frequency of coughing of black carp, appear downward trend after rising with Cu2+ increase of density first.

通過(guò)觀察魚(yú)呼吸頻率和咳嗽頻率的變化，得出結(jié)論：羅非魚(yú)和彩云鯛的呼吸頻率玖玖在线黄色视频，隨著Cu2+濃度的增加而下降欧美黄片视屏，咳嗽頻率隨著Cu2+濃度的增加而增加；鯽魚(yú)的呼吸頻率和咳嗽頻率亚洲日韩欧美综合制服丝袜，隨著Cu2+濃度的增加都呈現(xiàn)先上升后下降的趨勢(shì)。

Thus it appears that porgy was more sensitive to the WAF than scorpionfish at the low dose, but less tolerant at the high dose.

所以對(duì)于0#柴油認(rèn)叭F而言久久精品亚洲精品无码金，黃鰭綢比褐葛鰍更為敏感免费操逼漫画，但對(duì)誘導(dǎo)物的耐受性較低，EROD活性誘導(dǎo)范圍較狹窄污污网站十八禁在线观看。

In this study, the malondialdehyde content, the glutathione peroxidase activity, and the superoxide dismutase activity in black porgy Sparus macrocephalus were determined after the acute exposure to TBTCl at the concentration of 4 and 20 μg·L-1. Results showed that TBTClinhibited the SOD activity in S.macrocephalus gill slightly , but there was an obvious promotion on the SOD activity in S.macrocephalus liver.

摘 要：觀察和比較了黑鯛 Sparus macrocephalus 在不同濃度的氯化三丁基錫（tri-n-butyltin chloride男人的天堂国产精品，TBTCl）溶液中暴露后，其鰓和肝臟組織中超氧化物歧化酶（superoxide dismutaseAV国不卡wwww，SOD）活性色播播网免费播播、丙二醛（malondialdehydeA片强奸少妇毛片按摩，MDA）含量和谷胱甘肽過(guò)氧化物酶（glutathione peroxidase，GPx）活性的變化情況日韩黄色网站网址大全。

Besides, we firstly confirmed at the molecular level that P450arom may play an important role in the natural sex change of protandrous fish and revealed that up-regulation of the transcript levels of P450arom during the course of natural sex change of black porgy is not regulated via FTZ-F1.;sturgeon sex related and sex linkage genes by candidate gene approach and suppression subtractive hybridization technique and expression patterns of these genes were also studied.

首次直接在分子水平證明芳香化酶基因可能參與了雌雄同體魚(yú)類性別逆轉(zhuǎn)的調(diào)控国产又粗又黄录像，而黑鯛性別逆轉(zhuǎn)期卵巢中芳香化酶的表達(dá)量上調(diào)不是由FTZ-F1基因調(diào)控的；同時(shí)主要利用候選基因法和抑制差減雜交搜尋史氏鱘性別決定或性別特異性基因国产亚洲无码AV，并研究其表達(dá)情況男人操女人屄的视频。

The effect of pH on digestive enzyme activity of alimentary organs in yellowfin black porgy was studied in this paper.

摘 要：研究了pH值對(duì)黃鰭鯛肝、胃自拍高潮日韩在线观看网站大全视频、腸3個(gè)部分主要消化酶（蛋白酶国产精品电影久久久久电影院、脂肪酶和淀粉酶）比活的影響。