四组

Group 3 did not take any hypotensive drugs.

此外，第四组选取10只年龄相当的雄性Sprague-Dawley大白鼠， 8周中正常饮水且不给予任何药物，来做为对照组。

Chapter 3 is arranged in the following sequence to acquire the refractive index of the Iceland crystal for different values of the wavelength and the temperature.

在可见光区将四组不同的波长和对应的折射率代入常数表达式中，然后通过重复的迭代得到最佳的常数值；使用线形插值的办法得到了不同波长的折射率温度系数，从而可得出不同温度的 S el line i e r方程常数值，这样可以很容易求出各个温度下各波长所对应的折射率值。

Water-soluble fire retardants, including AP, Bio-fax, Dricon and FR, were impregnated into plywood with vacuum pressure treatment to increase its incombustibility.

本试验调配四组水溶性防火药剂，以眞空加压方式注入合板，期能制造符合国家标准CNS-6532规定之室内装饰用耐燃合板。

Group 4 was given 30 mg/kg methylprednisolone sodium succinate intraperitoneally immediately after trauma.

第四组在创伤后在腹膜内注射了30 mg/kg甲基泼尼龙琥珀酸钠。

Since respiratory tract infections, including IB, are critical in the poultry industry, a multiplex reverse transcription-polymerase chain reaction assay that detects avian viral respiratory pathogens in the same reaction was developed for the economic and clinical needs. Four sets of specific oligonucleotide primers for infectious laryngotracheitis virus, IBV, Newcastle disease virus, and avian influenza virus were used in this study.

由於呼吸道疾病对於家禽产业有很大的影响，因此基於经济与应用在临床上区别诊断的考量，本实验室发展多引子反转录聚合酶链锁反应，一共使用四组针对传染性喉头气管炎病毒、传染性支气管炎病毒、新城病病毒、以及家禽流行性感冒病毒的特异性引子来进行测试。

20 healthy leghorn chickens of 1.year old were divided randomly into 4 group.

选用 1 岁龄健康leghorn鸡 20 只，随机分四组。

Four groups of experiments with different level--indoor simulation experiments, lysimeter experiments, pot culture experiments and field plot experiments-- were carried out to systematically study the environmental effects following the application of fermentation sludge to farmland in Tianjin area, which include soil salinity and potential contamination on ground water, and to primarily investigate the fertility of NovoGro in agricultural soil.

本论文通过四组不同层次的实验—室内模拟实验、渗滤实验、盆栽实验和小区实验，首次对酿造污泥农业利用可能产生的环境影响：1NovoGro对土壤的盐分效应；2NovoGro对地下水的潜在污染，进行了比较系统的研究，同时对NovoGro的肥效特性也做了初步的探讨。成功地解决了制约酿造残渣在天津地区农业利用的关键问题，为酿造污泥的综合利用提供了科学的依据。

First, four groups of filter coefficients matrix for DCT domain deblocking are deduced. Then frequency characteristic parameters are extracted to instruct the selection of the filter coefficients matrix. The selected filter coefficients matrix multiplied with the DCT coefficients and the blocking artifacts is alleviated in the filtered DCT blocks.

在DCT-AFBAR算法中，首先推导出四组用于DCT域滤波的系数矩阵，然后根据解码块的频率特征参数来选取当前DCT块滤波所使用系数矩阵，最后将相应的DCT系数块与选好的系数矩阵进行相乘，即得到消除了块效应的DCT系数块。

Three different concentrations of NGF, 1 microgram/ml, 2.5 micrograms/ml, 5 micrograms/ml were topically applied after thermal injury, and saline solution used as control group.

分为四组，分别为创面局部应用1、2.5和5μg/ml的NGF实验组和不含NGF的生理盐水对照组。

Chronologically, the prophets may be divided into four groups:(1) Amos, Hosea, Micah, and Isaiah, active in the 8th century BC;(2) Nahum, Zephaniah, Habakkuk, and Jeremiah, immediately preexilic (late 7th to early 6th century);(3) Ezekiel and Second Isaiah, exilic period;(4) the postexilic prophets.

按时间顺序，先知可分为四组：（ 1 ）阿摩司，何西阿，弥迦，和以赛亚，活跃於公元前8世纪；（ 2 ）那鸿，西番雅书，哈巴谷，并耶利米，立即preexilic （ 7月底至6月初世纪）；（ 3 ）基尔和第二以赛亚，放逐期；（ 4 ） postexilic先知。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。