查询词典 ka

Over the past two decades, there have been several approximate methods that adopt different mutation models and used for estimating nonsynonymous and synonymous substitution rates based on protein-coding sequences across species or even different evolutionary lineages.

近日，中国科学院北京基因组研究所基因组科学及信息重点实验室通过引入新的参数构造模型，发展了一个新的ka/ks算法，该研究成果在近期出版的 Biology Direct 杂志上发表。比较基因组分析是研究生物进化关系的基本工具，非同义替换率和同义替换率的计算是研究分子进化动力学的重要内容。

Direct: High-bao, an Argentine, iron, such as the Nuba omnipotent rocker milling machine; Ka wild, high-bao, the Hang Seng and other precision molding surface grinder; sparks high-line cutting machine and Afghanistan.

直销：高宝、阿一、铁努巴等万能摇臂铣床；嘉野、高宝、恒生等精密成型平面磨床；高宝火花机及阿一线切割。

The relative ratio of 〓 over 〓 diols , defined as the diol index, serves as a good indicator for changes in paleoceanography and paleoclimate in southern South China during the last 30.0 ka.

长链烷基二醇的稳定碳同位素值在-30.17～-38.98‰之间，反映出其先质为水生生物——海洋黄绿藻Eustigmatophytes。

Jianghan plain lies in Chinese east west and south-north natural transition area. The study of climate change in this area from 30 ka plays an important part in understanding global paleoclimatic events and has been given increasing attention.

江汉平原地处我国东西、南北自然环境的过渡地带，该地带距今30ka（大约相当于MIS3阶段）以来的气候变化是研究过去全球气候变化的重要时段之一，已越来越引起人们的关注。

Results］SVHRP could obviously delay forming a time of seizure susceptibility, and decrease the expression of PENK compared with KA leads to increase the expression of PENK.

结果］蝎毒耐热蛋白干预组的大鼠较单独给予红藻氨酸组的大鼠癫痫敏感性形成率明显降低（P＜0.05），而且前脑啡肽原的表达也明显下降（P＜0.05）。

Methods］Systemic injection of KA results in forming animal model of epileptic susceptibility, at the same time, treated them with SVHRP,observed the epileptic behavioral processes according Racine seizure stage, and investigated the expression of PENK mRNA by means of RT-PCR.

方法］大鼠颈部皮下注射红藻氨酸，制备癫痫敏感性动物模型后，给予蝎毒耐热蛋白（scorpion venom heat resistant protein，SVHRP）进行干预。通过观察癫痫行为学表现检测SVHRP对癫痫敏感性形成的影响，同时应用RT-PCR技术检测不同处理组大鼠海马内前脑啡肽原表达的变化。

Beidasiman still has a friend letting a book " sad " litre demote system, the platinic card member in its book friend if in those days accumulative total shops not full 299 yuan can fall for Jin Ka member.

贝塔斯曼还有一个让书友&伤心&的升降级制度，其书友中的白金卡会员假如当年累计购物未满299元就会降为金卡会员。

9 Output DC 2-pole pyromagnetic circuit breaker, 20 kA.

6.3.4.9 输出直流两极热磁断路器，20kA。

An abrupt increase of seasonal inflow occurred at about 10.2 ka BP, as suggested by a layer rich in Ruppia L.

正是由于湖区夏季风降雨增大，湖水位迅速升高到4米以上，沉水植物川蔓藻从此未能在湖中央生长。

University of button Ka Sier has England the lawful charter of embryo of mankind of the first piece of clone.

纽卡斯尔大学拥有英国第一张克隆人类胚胎的合法执照。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。