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    • 11. 发明申请
    • INDUCING AGENT FOR PLANT ROOT
    • 植物根系诱导剂
    • US20120220462A1
    • 2012-08-30
    • US13467449
    • 2012-05-09
    • Mineyuki YokoyamaOsamu TanakaKentaro Nakamura
    • Mineyuki YokoyamaOsamu TanakaKentaro Nakamura
    • A01N37/06A01P21/00
    • A01N37/42A01N2300/00A01N25/00A01N43/38
    • An inducing agent for plant root including a ketol unsaturated fatty acid having 5 to 24 carbon atoms, 1 to 6 double bonds between carbon atoms and an α ketol structure or γ ketol structure (in particular 9-hydroxy-10-oxo-12(Z),15(Z)-octadecadienoic acid is preferable), which inducing agent for plant root may be used to promote or induce the root growth even when transplanting by cutting plants for which root generation is hard such as pine, cedar, tea, chestnut, may be used even for root growth of cuttings of Prunus×yedoensis (cherry trees) for which root growth is considered impossible, Hypericum chinense for which is transplantation by cutting is said to be difficult, and Paraserianthes falcataria Becker useful as a material for plywood, and may be used by a simple technique such as spraying.
    • 一种植物根系诱导剂,包括碳原子数5〜24的酮醇不饱和脂肪酸,碳原子数1〜6个的双键和α酮醇结构或γ酮醇结构(特别是9-羟基-10-氧代-12(Z ),15(Z) - 十八碳二烯酸是优选的),即使通过切割具有硬根的植物,例如松木,雪松,茶叶,栗子等植物,也可以将植物根的诱导剂用于促进或诱导根生长 ,甚至可以用于根长生根被认为是不可能的李子(樱桃树)的根的根生长,其中通过切割移植的金丝桃味被认为是困难的,并且Paraserianthes falcataria Becker可用作胶合板的材料 ,并且可以通过诸如喷雾的简单技术来使用。
    • 19. 发明授权
    • Wavelength division multiplexing optical transmission system, and wavelength division multiplexing optical transmission method
    • 波分复用光传输系统和波分复用光传输方法
    • US07796887B2
    • 2010-09-14
    • US10606935
    • 2003-06-27
    • Takafumi TeraharaKentaro Nakamura
    • Takafumi TeraharaKentaro Nakamura
    • H04J14/00H04B10/08
    • H04J14/02
    • The invention aims to provide an optical transmission system that specifies such a transmission condition so as to obtain high spectrum efficiency and a large transmission distance-capacity product at the same time, and uses low cost and small sized optical senders and optical receivers, to realize a high density wavelength multiplexing optical transmission. For this purpose, a WDM optical transmission system of the invention has a system structure that specifies by calculation the spectrum efficiency at which transmission distance-capacity product becomes a maximum value based on the determination of the type of signal light modulation and the assumption of an equation model expressing transmission characteristics of an optical multiplexer and an optical demultiplexer, and optimizes a bit rate and frequency spacing of signal light output from each optical sender, and the transmission characteristics of the optical multiplexer and the optical demultiplexer, so as to approach the spectrum efficiency.
    • 本发明旨在提供一种光传输系统,其规定了这样的传输条件,以便同时获得高频率效率和大的传输距离容量产品,并且使用低成本和小尺寸的光发送器和光接收机来实现 高密度波长复用光传输。 为此,本发明的WDM光传输系统具有系统结构,该系统结构根据信号光调制类型的确定,通过计算确定传输距离容量乘积成为最大值的频谱效率, 表示光复用器和光解复用器的传输特性的方程模型,并且优化从每个光发送器输出的信号光的比特率和频率间隔以及光复用器和光解复用器的传输特性,以便接近频谱 效率。
    • 20. 发明授权
    • Optical transmitter
    • 光发射机
    • US07778553B2
    • 2010-08-17
    • US11599277
    • 2006-11-15
    • Masahiro YukiKentaro NakamuraHiroki OoiMasato Nishihara
    • Masahiro YukiKentaro NakamuraHiroki OoiMasato Nishihara
    • H04B10/04
    • H04B10/5051H04B10/5057H04B10/50577H04B10/58
    • In an optical transmitter of the invention, continuous light from a light source is a (CS)RZ-D(Q)PSK modulated by two optical modulators connected in series, and a part of the optical signal output from a post-stage optical modulator is branched by an output monitor section, and the power of a preset frequency component, excluding a frequency component corresponding to a baud rate, included in an electrical spectrum acquired by photoelectrically converting the branched beams is measured. The relative phase of drive signals applied to the optical modulators is then feed-back controlled so that the power becomes a minimum. As a result, a delay shift due to a temperature change or the like between drive signals applied to respective optical modulators, can be reliably compensated.
    • 在本发明的光发射机中,来自光源的连续光是由串联连接的两个光调制器调制的(CS)RZ-D(Q)PSK,并且从后级光调制器输出的一部分光信号 由输出监视部分支,并且测量包括在通过光电转换分支光束获得的电谱中的除波特率对应的频率分量之外的预设频率分量的功率。 然后反馈控制施加到光学调制器的驱动信号的相对相位,使得功率变得最小。 结果,可以可靠地补偿由于施加到各个光学调制器的驱动信号之间的温度变化等引起的延迟偏移。