查询词典 laboratory experiment

In the late 1990s Christopher Langdon, a marine biologist at the University of Miami, conducted an elegant experiment to test this surmise: he manipulated the water chemistry over an artificial coral reef that had been set up in a huge tank at Columbia University's Biosphere II laboratory (which, rather incongruously, is located in the middle of the Arizona desert).

令人惊讶的是，他发现即使海水对霰石还保持过饱和，珊瑚的碳酸钙产率却随 pH 值降低而下降。

Severe interspecific competition was founded in the experiment,and Aedes albopictus is more competitive in the laboratory.

白纹伊蚊和埃及伊蚊存在着激烈的种间竞争关系，并以白纹伊蚊优胜。

Correctly choice and use of standardized laboratory animal, and the principles and methods for scientific experiment.

如何正确选择和使用标准化实验动物，进行科学实验的原则和方法。

Brown soil and meadow soil from cultivated land were used in the laboratory and pot experiment to study the effects of applying humic acid and organic manure on potassium fixation and release in the soil,The result shown: Applying of humic acids could accelerate potassium releasing and decrease the fixation of added potassium.

以耕地棕壤和草甸土为供试土壤，研究了施用腐殖酸和有机肥对土壤固钾与释钾作用的影响，主要结果如下：施用腐殖酸能够促进土壤钾素的释放和降低土壤的固钾量。

Many at home and abroad to engage in laboratory work in practice, the researchers also proposed the concept of such: Digital Lab, MBL (Micro-computer Based Lab), although these terms are not uniform, but they practice at different levels from a virtual experiment Room.

许多国内外从事实验室工作的研究者们在实践中还提出这样一些概念：Digital Lab、MBL（Micro-computer Based Lab），尽管这些名词不统一，但他们的实践从不同的层面实现了虚拟实验室。

On studying the mechanism of geogas prospecting, the author used modern scanning microprobe technique and made simulated model experiment in laboratory.

在研究地气异常形成机理时，运用了现代扫描探针显微技术，同时在室内可控条件下作了模拟模型实验研究。

In view of the laboratory monochromatic offset printing press and the specific paper, the printing ink, we have carried on a printing experiment.

针对实验室的单色胶印机和特定的纸张、油墨，我们进行了一次印刷实验。

Cows in the perinatal period were used in the experiment.Through clinical symptom and laboratory examination, they were divided into five groups that were healthy multiparity cows,healthy primiparity cows,cows with fatty liver disease, cows with ketosis and cows with rtention fetal membrance. We experimented blood of antepartum 15,8,1 day and postnatal 1,8,15,22 day,then assayed Thyroid hormone, thyroid-stimulating hormone, Iodine ,Selenium, GSH-Px in blood-serum. At last,we analysed data by statistical way .

本实验以处于围产期的57头奶牛为研究对象，通过实验室检查结合临床症状查出其中健康的经产牛、健康的初产牛及患酮病、患脂肪肝、患胎衣不下的自然病例，在奶牛产前15天，产前8天，产前1天，产后1天，产后8天，产后15天和产后22天分别采颈静脉血，检测血清中甲状腺激素(T4和T3)、促甲状腺激素、碘、硒和谷胱甘肽过氧化物酶的含量、摸索出其动态变化并作了统计分析。

Cows in perinatal period were used in the experiment. Through clinical symptom and laboratory examination, they were divided into six groups that were healthy multiparity cows, healthy primiparity cows,cows with fatty liver disease, cows with ketosis and cows with retention of fetal membrance, mastitis in cows.

本实验以进入围产期的57头奶牛为研究对象，通过实验室检查结合临床症状找出其中健康的经产牛、健康的头胎牛及患酮病、脂肪肝、胎衣不下、乳房炎的自然病例。

On the basis of the orthogonal experiment, this paper has analyzed the influencing factors of the adsorption of clay via laboratory batch tests, which provides a base for the investigations on cation adsorption of clay.

在正交实验设计的基础上，通过大量的室内实验，对粘土吸附性的影响因素加以分析，为金属离子影响下的粘土土工性状研究奠定基础。

Life. But the intrinsic way of the Internet by wire confines accessing and using of the network information.

然而，Internet固有的有线连接方式大大限制了人们对网络信息的访问和使用。

I have a strong persuasion that this is true .

我坚信这是正确的。