I need a large pumpkin, two rats, two mice and a frog.
我需要一个大南瓜，两只大鼠，两只小鼠和一只青蛙。
They housed eight adult rats with two types of robotic rat—one social and one asocial—for four days.
他们将8只成年老鼠和2种机器老鼠（一种是社会性的，一种是非社会性的）一起饲养了4天。
The performance was significantly different between the two shunt groups and not shunted congenitally hydrocephalic rats.
在两个分流组和未分流的先天性脑积水大鼠之间，其表现差异显着。
Two nutrients found in foods such as fish, walnuts, and beets worked as well as prescription antidepressants in preventing depression in rats.
在例如鱼胡桃和甜菜食物中发现的两种营养素能够像处方药一样预防老鼠患抑郁症。
This explains why levels of glucocorticoid-receptor protein are different in the two groups of rats.
这就可以解释为什么两组老鼠中的糖皮质激素受体蛋白水平会有差异。
Scientists conducted an experiment on two groups of rats during pregnancy and lactation.
科学家们利用两组正在怀孕和哺乳期的大鼠进行对比试验。
Two-year carcinogenicity studies in rats and mice have also been completed.
使用大小鼠进行的两年致癌性研究也已经完成。
Just then he heard two big rats fighting on top of the door sill. He looked up to watch the fight.
刚好他听到有两只老鼠在门梁上打架，于是他仰起头张着嘴观斗。
When they gave it to old rats for two months, the elderly rodents did far better than other old rats in learning their way around a water maze.
老年鼠用药两个月后，在学习如何在水迷宫中寻路时比起其他同龄鼠出色得多。
There were no adverse effects on the first two groups, but the rats who ate as much junk food as they wanted quickly became very fat and started bingeing.
前两组没有任何的反作用，而第三组使用大量垃圾食品的老鼠变得非常肥胖，并开始上瘾。
Kirby and Kaufer labeled hippocampal cells created over a three-day period in a group of rats, and then conditioned a fear response in these rats two weeks later.
科比和考芙首先对一群大鼠新生3天的神经元进行标记，接着在两周后让这些大鼠建立了一个恐惧性条件反射。
When Dr Szyf looked at the brains of the two sorts of rats, he found differences in their hippocampuses.
Szyf博士发现两种老鼠脑中的海马体存在差异。
The researchers actually tested each rat with two different doses: 0.3 milligrams for every kilogram of weight (the rats averaged about 250 milligrams), and 1 mg per kg.
研究人员以两种剂量的药物对每只小鼠进行测试：每公斤体重0.3毫克以及1毫克。
The team attached electrodes to the rats’ brains, connected to two areas in the hippocampus, called CA1 and CA3.
该团队将电极固定到大鼠的脑中，连接到海马中的两个被称作CA1和CA3的区域。
When scientists drugged the rats to halt neuron signals between the two regions, the rats forgot the long-term memory.
当科学家给实验鼠服药，以暂停两个区域间神经信号的传递时，实验鼠便忘掉了长期记忆。
It also tweaked the machines to produce less noise and keep rats out — two factors rural consumers said were important to them.
海尔还将洗衣机进行了改造，使洗衣机发出较少的噪音，并防止老鼠进入——两个农村消费者认为非常重要的条件。
The rats were placed into two different boxes.
老鼠们被分到不同的盒子里。
Giving the rats a brief, two-minute stress and training them30 minutes afterward again produced no long-term memory, indicatingthat they had moved into the second phase by the time trainingbegan.
给予老鼠短暂的、两分钟压力，30分钟后再训练他们，它们产生不了长期记忆。
Two animal models were established in this experiment to investigate the relationships between muscle damage and plasma activity of CK and its isoenzymes of rats after different modes of exercise.
为了探索大鼠完成不同方式的运动后骨骼肌损伤与血浆CK及其同工酶变化的关系，本研究采用了两种动物模型。
Methods Using two kinds of hypertension models, druggery one and nerve irritation in rats, the effect of Sanwei hypotensive tablet on depressing experimental rats blood pressure is observed.
方法利用大鼠药物性高血压模型和应激性高血压模型，观察三味降压片对大鼠血压的影响。
Changes of body mass, glucose infusion rate and serum FFA in rats were compared between the two groups.
比较两组大鼠体质量、葡萄糖输注率以及血清游离脂肪酸等的变化情况。
Methods 60 SD male rats were divided into two groups.
方法60只雄性SD大鼠，随机分为对照组和肝硬化组。
Method: making two types of whole animal models by causing rats' arteriovenous shunt thrombosis and giving electric stimulus to rats' common carotid artery to bring on thrombosis.
方法：采用大鼠动-静脉旁路血栓形成法和电刺激大鼠颈总动脉造成血栓形成两种整体动物血栓形成模型。
Methods Two kidney 1 clip (2K1C) rats were used to reestablish the model of renovascular hypertension.
方法：建立二肾一夹（2K1C）肾血管性高血压大鼠模型。
They trained rats to fear two different sounds by sending a mild electric shock through the rats' PAWS when they played the sounds.
他们训练老鼠害怕两种不同的声音，当播放声音时，会用轻微的电流电击老鼠的爪子。
For example, in experiments using rats, the two traditional tests can only detect kidney damage a week after it has begun to occur.
比如，在大鼠试验中，两个传统试验仅能测量已经发生一周肾损害。
Method: the "Two-hit" animal model of acute lung injury in rats was induced by oleic acid and lipopolysaccharide, to observe the protective effect of VOCM on acute lung injury in rats.
方法：采用油酸合并脂多糖“两次打击”致大鼠急性肺损伤模型，观察鹅不食草挥发油对大鼠急性肺损伤的保护作用。
The escape latencies of each rat in the two experiments were recorded and compared, and the effects of different drugs on the spatial working memory ability of the rats were assessed.
记录比较每只大鼠两次实验逃避潜伏期的时间，评估不同药物对大鼠空间工作记忆能力的影响。
Methods: The rats were fed for two weeks with Dihuangkangpitang extracted and properly concentrated, and then rotating-stick and loaded swimming experiment were performed.
方法地黄抗疲汤组方药材经提取、浓缩至适当浓度后，对小鼠进行转棒实验和负重游泳实验。
Methods: The rats were fed for two weeks with Dihuangkangpitang extracted and properly concentrated, and then rotating-stick and loaded swimming experiment were performed.
方法地黄抗疲汤组方药材经提取、浓缩至适当浓度后，对小鼠进行转棒实验和负重游泳实验。
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