本试验采用聚丙烯酰胺凝胶垂直平板电泳，分析了黑杨派13个无性系。
Electrophoreses on vertical polyacrylamide plate were adopted to analyse 13 clones of Aigioros poplars.
通过现代光谱分析技术，对黑杨杨木及其APMP纸浆的木质素结构进行了研究。
The modern spectrum analytical technologies were applied to study the lignin structure of poplar wood and its APMP pulps.
本文详细介绍美洲黑杨无性系立地指数表的编制方法和步骤，为贵池市美洲黑杨无性系科学经营提供依据。
The method and procedures of compilation of site index table were introduced in detail for cottonwood clones in Guichi.
介绍了洞庭湖区引种的黑杨派南方型杨木的特性，根据原料特性设计了胶合板制造工艺并对工艺参数进行优选。
Based on the characteristic of Populus Trichocarpa CV. "Southern" planted in Dengting Hu area, a plywood manufacture technology was worked out, optimized and tested.
用五种遗传稳定型分析方法对四个区域化试验点的5个美洲黑杨无性系生长量的基因型与环境交互作用进行了分析。
The genotype-environment interaction of 4-year DBH growth was analyzed in 4 locations for 5 cottonwood clones by using 5 genetic stability analysis methods.
采用水蒸气蒸馏法提取黑杨萎蔫叶片具诱虫活性的气味物质，用气相色谱质谱联用技术分离和鉴定活性物质的化学成分。
A report is made of the study of chemical components of the odor with luring activity from withered black poplar leaves.
对引进的59个欧洲黑杨无性系苗木感染黑斑病和叶枯病进行了调查，应用统计分析的方法对这些无性系抗病性进行了分析。
Disease resistance of the seedlings of 59 introduced Populus nigra clones seedlings infected with Marssonina brunnea and Alternaria tenuis were investigated by applying statistical analysis.
这种登记本通常发给“黑孩子”，象大家都知道的杨先生的孩子，只能交巨额罚款(或者交一笔费用，官方称)。
Normally such papers are handed to "black children", as offsprings like Mr Yang's are commonly known, only on payment of a huge fine (or fee, as officials say).
通常这类文件是为像杨先生孩子这类“黑孩”准备的，需要支付巨额罚金(或收费，像官方所谓的)。
Normally such papers are handed to "black children", as offspring like Mr Yang's are commonly known, only on payment of a huge fine (or fee, as officials say).
对不同树龄窄冠杨黑11的纤维形态与制浆性能进行了研究。
The fiber morphology and pulping properties of narrow-crown Poplar Aigeiros 11 at different ages were studied.
对不同树龄窄冠杨黑11的纤维形态与制浆性能进行了研究。
The fiber morphology and pulping properties of narrow-crown Poplar Aigeiros 11 at different ages were studied.
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