Results 41 to 50 of about 144 (108)
A Study on Investment and Financing Model of Urban Rail ——With Case Study on Metro Rail Transit in city A, China [PDF]
: As an alternative to the traditional public transportation system, (urban) rail transit has many advantages such as large capacity, fast speed, tight schedule, safety and comfort, and punctuality, , and has gradually become a top choice of many cities ...
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Handbook on cross-border transport and ancillary facilities along the Asian highway network routes 3 and 4 [PDF]
On 8 December 2016, the Governments of China, Mongolia and the Russian Federation signed an Intergovernmental Agreement on International Road Transport along the Asian Highway Network.
UN.ESCAP
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为对比研究植物根际促生菌(枯草芽孢杆菌、胶质芽孢杆菌)和苹果树枝生物炭的施加对黄土丘陵区山地苹果园粉质壤土团聚体含量、稳定性以及土壤水分的影响,采用田间定位试验,设置4个处理:施加65 t/hm2生物炭(BC)、20 t/hm2枯草芽孢杆菌(PGBS)、20 t/hm2胶质芽孢杆菌(PGBM)和对照(CK)。湿筛法获得土壤各粒径团聚体含量,并计算水稳性团聚体的平均重量直径(MWD)、几何平均直径(GMD)和分形维数(D)。结果表明:BC、PGBS和PGBM处理有机碳含量(SOC)较CK提升18.04 ...
刘帅 +5 more
doaj
Semantic violation in sentence reading and incongruence in chord sequence comprehension: An ERP study. [PDF]
Wang X, Li D, Li Y, Zhu L, Song D, Ma W.
europepmc +1 more source
通过向25年老龄苹果园土壤中施入不同浓度(T1,0.02‰;T2,0.1‰;T3,0.5‰)的棉隆,利用微生物平板培养、荧光定量PCR(qPCR)、微生物碳源利用(biolog-ECO)、末端限制性片段长度多态性(T-RFLP)、生物多样性指数Biodap等方法研究不同浓度棉隆熏蒸下土壤可培养微生物(细菌、真菌)数量、群落结构及其多样性指数随时间变化的演变趋势,并进行平邑甜茶盆栽验证,以期为减轻苹果连作障碍筛选棉隆浓度提供理论依据。结果表明:0.1 ...
徐少卓 +6 more
doaj
以矮化苹果砧木M9T337幼苗为试材,设置4个氮水平(N 0,150,300,450 mg/kg,分别以N0、N1、N2、N3表示)和2个磷水平(P2O5 100,200 mg/kg,分别以P1、P2表示),研究了氮磷配施对苹果砧木幼苗生长、土壤无机磷形态转化和磷素吸收利用的影响,以期为果园磷肥高效利用提供参考依据。结果表明,不同氮磷配施显著影响M9T337幼苗生物量及根系形态,以N2P2处理效果最佳,其次为N1P2处理。植株磷素积累量及磷肥利用率分别在N2P2、N2P1处理下达到最大值 ...
张鑫 +6 more
doaj
Self-aware cycle curriculum learning for multiple-choice reading comprehension. [PDF]
Chen H, Li Y.
europepmc +1 more source
Faith, Hope & the Global Economy : A Power for Good [PDF]
Translation of:Faith, Hope & the Global Economy, first published 2012 by Intervarsity-Press, Nottingham, England一种为善的力量 对于受债务与危机困扰的全球经济,信仰能提供什么希望吗? 理查德·希金森指出,如果我们正确地理解基督教信仰,它会成为全球经济 中一种巨大的为善的力量。它激励企业,减轻贫困,促进正直,鼓励持续, 造就门徒 ...
Higginson, Richard
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以富士/平邑甜茶(M. hupehensis)二年生幼树为试材,研究盆栽条件下土壤中施加不同剂量的维生素B6(VB6)和复合维生素B(COB)对苹果幼树生物学性状和理化性质的影响。于2016年在山东农业大学园艺科学与工程学院果树根系实验室进行富士苹果盆栽试验。5月26对富士苹果土施VB6、COB,剂量分别为0,0.02,0.03,0.04 g/株。6—10月测定外源维生素条件下苹果幼树株高、径粗,叶面积,叶片抗氧化酶活性,叶绿素含量,光合荧光参数以及根系的生长分布状况。研究表明 ...
高付凤 +8 more
doaj
[Systemic light chain amyloidosis with the manifestation of recurrent spontaneous liver rupture: a case report]. [PDF]
Zhi F +9 more
europepmc +1 more source

