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1.MULTIVARIATE QUANTITATIVE STUDY ON SINGLE TREE GROWTH STAGE OF NATURAL KOREAN PINE
天然红松单木生长阶段的多元定量化研究收藏指正
2.Physiological Moisture Characteristic of Yearling Tree Seedling in Seedling Stage of Four Broadleaf Tree Species
阔叶播种苗的苗期水分生理特性研究收藏指正
3.Infectious intensity of VA mycorrhiza increased gradually from seedling to adolescent stage,then decreased slowly as tree age increased.
在幼龄到壮龄期随龄增加VA菌根感染强度增强,而后逐渐减弱;收藏指正
4.He assumes the lotus position; She took her seat on the stage; We took our seats in the orchestra; She took up her position behind the tree.
他呈现莲花坐姿势;她在舞上就座了。收藏指正
5.The results show that obvious changes in species components of different gangue piles took place,from 4 species of 4 families at the initial stage of dumping gangue to 19 species of 6 families at the back stage,and from herb community to sparse elm tree community.
结果表明:在不同排矸年限地段,物种组成变化较大,由排矸初期的4科4种发展为后期的6科19种,并由草本群落逐渐演变为榆疏林。收藏指正
6.The results showed that obvious changes in species components of different gangue piles took place,from 5 species of 5 families at the initial stage of dumping gangue to 23 species of 7 families at the later stage,and from herb community to elm tree community.
结果表明:在不同排矸年限地段,物种组成变化较大,由排矸初期的5科5种发展为后期的7科23种,并由一年生草本群落逐渐演变为榆群落。收藏指正
7.The N2-fixation activity of the alder plantation in the hill and mountain region of Sichuan Basin was 3 - 6μmol/(g·h) generally. It was influenced by the developmental stage. tree age.
桤木人工林在山丘区的根瘤固氮活性3~6μmol/(g·h),活性受多种因素影响,变幅相当大,而变化规律仍明显.收藏指正
8.In the paper, the pulping properties have been researched, by a two-stage treatment APMP process, of the young tree of TriploidChinese Poplar that grow in saline soil. Comparisons respectively with the 5-year Triploid Chinese Poplar and the young tree of Populu Nigrain normal soil show that the saline soil environment has no obvious effects on APMP-pulping properties of Triploid Chinese Poplar.
对盐土三倍体毛白杨幼进行了两段处理的APMP制浆,通过与普通土壤生长的5年生三倍体毛白杨和黑杨幼分别进行的制浆性能的比较研究,未发现盐土生长环境对三倍体毛白杨的制浆应用造成明显影响。收藏指正
9.According to the assessment &acceptance management characteristics and demands of S&T Project in China,this paper discusses and builds the index system of S&T project assessment &acceptance,depicts the stage assessment &acceptance methods,and then constructs the decision model based on C4.5 decision tree method.
根据我国目前科技项目验收评估管理的特点和要求,讨论并建立了科技项目验收评估的指标体系,阐述了分阶段的科技项目验收评估方法,建立了基于C4.5决策科技项目验收评估决策模型。收藏指正
10.Control of Ceroplastes rubens could be made at the initial nymph stage by spraying tree crowns with 437 mg·L -1 and 267 mg·L -1 of omethoate 40 EC or 437 mg·L -1 and 267 mg·L -1 of omethoate buprosezin 35EC,resulting in more than 80% of the nymph being killed.
结果显示 ,不同处理之间其药效结果差异较大。 在若虫孵化盛期前用 4 0 %氧化乐果乳油 4 37mg·L-1,2 67mg·L-1及 35 %快克乳剂 4 37mg·L-1和 2 67mg·L-1喷雾 ,虫口减退率均达80 %以上 ,用 0 6%阿维菌素乳剂 2 4mg·L-1喷雾效果不理想。收藏指正
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