selective fermentation

On the basis of the simplified models for excitation radiatfon,it is stud-ied that the selective excitation produced by controlling the electron energy can be used to realize vari-able color luminescence under the condition of suitable variable color luminescence media.

本文从发光动力学观点论述电离气体变色发光的机理，从激发辐射的简化模型着手，研究在合适的变色发光介质中，利用控制电子能量产生选择性激发来实现变色发光。

A new multiplexing technique for polymer optical fiber is proposed,which is based on the principle that selective excitation can effectively decrease the modal dispersion and increase the bandwidth.

根据选择性激发能够有效减少模式色散从而能提高带宽的原理,提出了一种针对塑料光纤通信的新复用技术。

Variable color luminescence in ionized gases can be obtained by controlling the electron energy to produce selective excitation in a suitable variable color luminescence medium.

在合适的变色发光介质中，通过控制电子能量产生选择性激发能获得电离气体变色发光。

The phenomenon is resulted from selective evaporation o.

抗氧化性下降的主要原因在于低压预处理过程中合金元素 (尤其是铝元素 )的选择性蒸发导致TiAl表面活化并形成Ti3Al相 ,而Ti3Al的抗氧化性较差 ,从而使TiAl整体氧化增重增加 。

Co depletion via selective evaporation and surface roughened by the energetic laser beam was confirmed and was proved to be effective on the improvement of the quality and adhesion of the diamond film.

证实准分子激光辐照可产生钴选择性蒸发和表面粗糙化；从而有效地降低表面钴含量，消除钴对金刚石膜沉积的有害影响。

Research on Screen Printed Selective Emitter Solar Cells;

丝网印刷制作选择性发射极太阳电池的研究

Selective Emitter Silicon Solar Cells with Silicon Nitride Mask

氮化硅掩膜法制备选择性发射极晶体硅太阳电池

optional passive reflector pods

选择性被动反射器吊舱

Maintainability's Parameters Selection and Indexes Determination for Ship-to-air Missile Launcher

舰空导弹发射装置维修性参数选择和指标确定

A LAYERED STRUCTURE OF THIN FILMS FOR SELECTIVELY IMPROVED ABSORPTIVITY/EMISSIVITY OF THERMAL RADIATION

一种选择性增强光谱吸收比/发射率的薄膜结构

Treatment of Primary Trigeminal Neuralgia by Selective Radiofrequency Thermocoagulation Guided with C-armed X-ray Fluoroscopy;

C型臂定位下选择性射频热凝术治疗原发性三叉神经痛

Effect of penile dorsal nerve electively neurotomy in patients with premature ejaculation

选择性阴茎背神经分支切断术治疗原发性射精过快

Performance Investigation of Antennas Selection Systems Using Maximum Ratio Transmission

采用最大比率发射技术的天线选择系统性能研究

Transmit Antenna Selection Algorithms in MIMO Systems;

MIMO系统中发射天线选择算法研究

Investigation into the selectivity of diffraction efficiency of Cu:KNSBN grating on recording angle

Cu∶KNSBN晶体衍射效率的角度选择性研究

Nanomagnetic Material Ferriferrous Oxide Separation/Enrichment and Inductively Coupled Plasma-Atomic Emission Spectrometry for Determination of Arsenic

磁性纳米四氧化三铁选择性富集-电感耦合等离子体原子发射光谱测定砷

Selection of Spectroscopic Buffers in Spectrochemical Analysis of Rare Earth (1)

稀土元素发射光谱分析中光谱缓冲剂的选择(一)

The choice of mapping in DAMB system development;

数字调幅广播系统开发中星座映射图的选择

Selection of Black Reactive Dyes and Level Dyeing Process with Jet Overflow Dyeing Machine

溢流喷射机染活性黑色染料的选择与匀染工艺

Research on selective optical amplification of Brillouin spectrum of weak scattering signals in water

水中微弱光散射布里渊频谱选择性光放大研究

Search for Selected Mapping to Reduce PAPR in MC-CDMA System;

选择性映射降低MC-CDMA系统峰均功率比的研究

Analysis of Electromagnetic Scattering Characteristics of Rotated Frequency Selective Structure;

单元可旋转的频率选择表面电磁散射特性研究

Using MoM to Analyze the Electromagnetic Scattering Characteristic of Frequency Selective Surfaces;

采用矩量法分析频率选择表面的电磁散射特性