试验设计

An orthoganal design with four terrain factors under two levels was carried out to systematically analyze the law of variation on diameter, height and trunk's basic volume weight of 13-year-old Alnus cremastogyne from plantation.

摘 要：本文应用四个地形因子在两个水平下的正交试验设计方法，系统分析了13年生桤木人工林胸径和树高生长以及树干公定容重的变化规律。

According to the design of part 2 above,antioxygen ability and ATPase activity of larval fish in each treatment were analyzed after feeding.

试验设计与第2部分相同，饲养结束后，测定各试验组黄颡鱼鱼体中抗氧化酶活性及ATP酶活性。

In this paper, the optimization of chemical composition of austenitic cast iron with D-type graphite was introduced.

对 D型石墨奥氏体基体铸铁的化学成分进行了试验设计，研究了高温不同温度下它的抗氧化性能，探讨了抗氧化机理。

A systematic literature search of PubMed, MEDLINE, BIOSIS, EMBASE, and Cochrane EBM databases during the period of 1990–2007 was made, objective being the randomised controlled trials in patients with AMI who underwent primary percutaneous coronary intervention and received intracoronary BMSC transfer, and were followed up for at least 3 months.

目前，冠脉内自体骨髓干细胞移植在AMI的临床应用仍存在较大争议。研究者检索了1990年至2007年间PubMed、MEDLINE、BIOSIS、EMBASE和Cochrane EBM等数据库收录的文献，根据以下标准纳入临床研究：以AMI症状出现24小时内接受PCI治疗者为研究对象；试验设计体现随机对照原则；移植细胞种类为非动员的自体骨髓干细胞；具有3个月以上的随访资料。

Eight buffalograss Buchloe dactyloides (Nutt. Engelmplants of stable shape and properties were selected to prepare 16 hydridized combinations by incomplete diallel crossing.

选用8个性状稳定的野牛草材料，采用不完全双列杂交试验设计，配制了16个杂交组合，分析了叶片枯黄程度、枯黄过程中叶片颜色遗传力及配合力。

The mathematical models of the days of preserving Castanea blume with the temperature of thermal process, the time of heating treatment and the pH of C.

采用二次正交旋转组合试验设计方案，建立了板栗的保存天数与热处理温度、时间及板栗pH值的数学模型。

In this work, the effects of culture factors ( MET, IBA, culture medium and culturing in dark) on root formation were studied in tissue culture of Celastrus angulatus. The results showed that the root induction was significantly affected by duration of culture in dark, while other factors were least effective.

探讨了培养因子对诱导苦皮藤试管苗生根的作用，采用正交试验设计法测试了苦皮藤生根关键因素多效唑、吲哚丁酸、暗培养及培养基中盐浓度的效应。

Effect of feeding Chamaecrista rotundifolia seed powder on the cholesterol metabolism of native chicken and its mechanism were investigated in Fuzhou area. 240 healthy 8 week-old chickens were randomly divided into two groups by using single factor design, each group has tree replications.

选取8周龄健康土杂鸡240羽，采用单因子试验设计，随机分为2组，每组3个重复，每个重复40羽，对照组饲喂基础日粮，试验组日粮为每羽基础日粮添加3g圆叶决明种子粉（120目），试验期30d。

Response surface methodology based on a three-level three-factor Box-Behnken design of experiment was used to optimize the exopolysaccharide content and the mycelium biomass in submerged cultivation by Clitocybe sp.

在Plackett-Burman试验设计结果基础上，采用Box-Behnken响应曲面法(response surface methodology， RSM)对影响杯伞Clitocybe sp。

Through fertilizing organic fertilizer and growth regulators to Dendrocalamus latiflorus shoot-used forest planted on hills with quadratic regression orthogonal test design,the shoots output and economic benefit were analyzed.

对山地麻竹笋用林采用回归正交试验设计，施用有机肥和生长调节剂，分析研究了笋林的出笋量和经济效益。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。