查询词典 Trifolium L.

Improved the soil physical prosperity effectively by the intercropping of Trifolium repens L.

三叶草和银杏间作初期对土壤物理性质改良的研究表明，三叶草的播植

Methods:Select the extract technology of Trifolium pretense L by Orthogonal Test techniques,the isoflavone Component is target.

以红车轴草中异黄酮成分为指标，用正交试验方法对提取工艺进行筛选。

Through the analysis of four indexes of N、S、T、H,the insect community of Trifolium repens L.

其中蚜虫、叶螨是春季昆虫群落的优势种。

The planting experiment of Trifolium repens L.

三叶草的播种实验表明，适宜的播种时期：春播为4月下旬，秋播为9月上中旬。

The experiments were carried out to study the efficiency of sod-culture and AMF infecting to early pear, the results indicated as follows: Experiment 1 Study on the effects of sod-culture on the environments of early pear orchard By field experiment, the effects of seeding Trifolium repen L.

本论文从生草栽培和菌根效应对早熟梨生长的影响入手，作了以下研究：试验1 生草对早熟梨果园微环境的影响通过田间试验研究了单独播种白三叶草、黑麦草和混播白三叶草与黑麦草对早熟梨园微生态环境的影响。

Prain, Trifolium repens Lam, Aeachynomene Mica L, Indigofera bungeana Steud.The same strains used in numerical taxonomy were analysed by BOXAIR-PCR fingerprinting. All tested strains were clustered into 47 groups at the similarity level of 50%. Compared with the result of numerical taxonomy, strains belonged to one phenon in numerical taxonomy always distributed into several BOXAIR-PCR groups, most of reference strains come from one recognized rhizobial species were not grouped together.

B(来源：dd9dAB94C论文网www.abclunwen.com)OXAIR-PCR指纹图谱的聚类结果显示：全部供试菌株在50％的相似性水平上分为47群，与数值分类的结果相比较，其分群的结果更分散，在数值分类80％相似性水平上位于同一表观群的供试未知菌株大多分布于几个综合的BOXAIR-PCR群内；另外在数值分类中来自同一个种的已知根瘤菌参比菌株几乎都聚在同一个表观群，而在BOXAIR-PCR分析中，已知参比根瘤菌的同一个种内的大部分菌株都单独成群。

Furthermore, there is a great phenotypic diversity among the new strains isolated from the same host. Different groups consisted of the new strains from the same host, some were Rhizobium, some were Bradyrhizobium, such as the new strains isolated from leguminous plants of AMkora Prain, Trifolium repens Lam, Aeachynomene Mica L, Indigofera bungeana Steud.

同时，攀西地区豆科植物根瘤菌的多样性还表现在某些来自同一种寄主植物根瘤菌的多样性方面，如分离自山槐、白车轴草、合萌、铁扫帚上的同一种寄主植物内的根瘤菌分别聚在不同的表观群；且来自山槐、合萌、铁扫帚上的根瘤菌既有快生型，又有慢生型。

As an important legume forage plant, white clover possesses fine quality of nutrition and easily to be planted.

白三叶(Trifolium repens L。)是品质优良、易于栽培的一种重要豆科牧草。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。