为了筛选适宜百合(Lilium brownii var. viridulum Baker)种球繁育的最佳栽培基质配方,在鳞片球到小子球阶段,以OT系列百合木门为材料,研究了草炭、蛭石、珍珠岩、河沙4种基质8种不同栽培基质配方对木门子球生长的影响。结果表明,不同...为了筛选适宜百合(Lilium brownii var. viridulum Baker)种球繁育的最佳栽培基质配方,在鳞片球到小子球阶段,以OT系列百合木门为材料,研究了草炭、蛭石、珍珠岩、河沙4种基质8种不同栽培基质配方对木门子球生长的影响。结果表明,不同栽培基质处理木门百合子球植株生长、增殖系数、子球大小都存在显著差异。栽培基质为蛭石、珍珠岩、河沙处理鳞片生成子球的数量较多,增殖系数较高,由于3种基质营养物质较少,子球的周径和重量都偏小,因此不适宜作栽培基质。综合考虑植株形态、子球大小、子球重量、生根等指标,栽培基质以草炭∶珍珠岩=3∶1最有利于木门百合子球的生长。展开更多
The characteristics of swells within the East China Sea have been reported by Tao et al.(2017),while the question of where the swells come from remains unanswered.By using the wave model WAVEWATCH III and the swell tr...The characteristics of swells within the East China Sea have been reported by Tao et al.(2017),while the question of where the swells come from remains unanswered.By using the wave model WAVEWATCH III and the swell tracking method proposed by Hanson(2001),the spatial sources of the swells are investigated during four typical typhoon scenarios,which usually affect the wave environment in the East China Sea,including the Recurving type,the Northward type,the Westward type(striking the East China Sea)and the Westward type(over the South China Sea).The numerical results show that parts of the swells are from the North West Pacific with a long-distance travelling.The moving paths of the swells are affected by the typhoon tracks,which result in various fetches.The Westward type(over the South China Sea)makes one peak in the evolution process.The landing process of the Westward type(striking the East China Sea)could result in swells with low energy.The swell energy depends on swell propagation distance,existence time and wind intensity of generation fetch.The consistent fetch and forceful wind intensity make swell carry more energy.展开更多
文摘为了筛选适宜百合(Lilium brownii var. viridulum Baker)种球繁育的最佳栽培基质配方,在鳞片球到小子球阶段,以OT系列百合木门为材料,研究了草炭、蛭石、珍珠岩、河沙4种基质8种不同栽培基质配方对木门子球生长的影响。结果表明,不同栽培基质处理木门百合子球植株生长、增殖系数、子球大小都存在显著差异。栽培基质为蛭石、珍珠岩、河沙处理鳞片生成子球的数量较多,增殖系数较高,由于3种基质营养物质较少,子球的周径和重量都偏小,因此不适宜作栽培基质。综合考虑植株形态、子球大小、子球重量、生根等指标,栽培基质以草炭∶珍珠岩=3∶1最有利于木门百合子球的生长。
文摘新年的钟声刚刚敲响,回首2021,持续的疫情、低靡的经济均不能阻挡研究者前进的脚步,肺癌领域不断公布令人欣喜的研究成果。1早期非小细胞肺癌(non-small-celllung cancer,NSCLC)治疗进展最新版美国综合癌症网络(National Comprehensive Cancer Network,NCCN)指南对于可手术的ⅠA期NSCLC患者,优先推荐外科手术切除+淋巴结清扫或取样活检[1]。
基金the National Natural Science Fundation of China(Grant Nos.51579091 and U1706230)the National Science Fund for Distinguished Young Scholars(Grant No.51425901)+1 种基金the Qing Lan Project of Jiangsu Provincethe Short-term Research Visits Project supported by Disaster Prevention Research Institute of Kyoto University(Grant No.27S-02)
文摘The characteristics of swells within the East China Sea have been reported by Tao et al.(2017),while the question of where the swells come from remains unanswered.By using the wave model WAVEWATCH III and the swell tracking method proposed by Hanson(2001),the spatial sources of the swells are investigated during four typical typhoon scenarios,which usually affect the wave environment in the East China Sea,including the Recurving type,the Northward type,the Westward type(striking the East China Sea)and the Westward type(over the South China Sea).The numerical results show that parts of the swells are from the North West Pacific with a long-distance travelling.The moving paths of the swells are affected by the typhoon tracks,which result in various fetches.The Westward type(over the South China Sea)makes one peak in the evolution process.The landing process of the Westward type(striking the East China Sea)could result in swells with low energy.The swell energy depends on swell propagation distance,existence time and wind intensity of generation fetch.The consistent fetch and forceful wind intensity make swell carry more energy.
