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However, DPP nanoparticles were found to present multiple emission from pyrene at 385 nm, pyrazoline at 465 nm and an intermolecular pyrazoline-pyrene charge-transfer state at 570 nm, and each of them possesses individual optical channel.

在粒径确定时，用一确定波长激发时，发射光谱中不同发射的最大强度直接决定于对应激发光谱在该波长下的强度。另一方面，超微粒粒径的大小同样影响着三个部分的相对强度。随着粒径的增大，吡唑啉环-芘环之间电荷转移态570 nm的荧光发射逐渐消失。

Spatial holeburning caused by ununiform widening of erbiumdoped fiber barricades the fully gaincontrolled amplification of laser with single wavelength. A novel configuration of automatic gainclamped optical erbiumdoped fiber amplifier is presented, and a high-birefringence fiber Bragg grating is used to generate pumping lasers, peaks of which are written at 1549.3 nm and 1549.83 nm with a wavelength spacing of 0.53 nm.

掺铒光纤非均匀展宽引起的空间烧孔现象导致单波长激光并不能完全控制放大器增益，提出了一种新颖的自动增益控制掺铒光纤放大器的结构：即采用高双折射光纤布拉格光栅产生抽运光，其写制光栅的波峰对应的波长分别为1549.3 nm和1549.83 nm，波长间隔为0.53 nm。

The CoFe2O4/TiO2 magnetic nano-photocatalysts has fairly good magnetic property. The X-ray diffraction, transmission electron microscopy and ultraviolet-visible technique were used to analyze the phase structure, size and spectrum response scope of the samples. The XRD indicated the anatase TiO2 was formed when TCF modified by plasma. The size of CoFe2O4 particles was about 20 nm. The diameter of CoFe2O4/TiO2 particles is in the range of 30~40 nm. So the shell of TiO2 enwraps closely around the core and the thickness is in the range of 10~20 nm.

运用VSM技术对样品磁性能进行研究，结果表明：等离子体修饰后的复合材料仍具有较高的饱和磁化强度，可在外加磁场作用下实现催化剂在水中的分离与回收；样品的XRD、TEM和UV-Vis分析测试结果表明：等离子体修饰后的复合材料有锐钛矿型TiO2存在；TEM谱图显示磁核CoFe2O4的平均粒径约为20 nm，TCF复合粒子的粒径约为30~40 nm，TiO2包覆层的厚度为10~20 nm。

It was concluded that no aging time was the most beneficial to form colloid, when molar ratio of phosphoric acid to antimony was in the range from 0.8 to 1.0 and 1.0 to 1.3, the particle sizes of sol with the concentration of 10 % and 15 % antimony pentoxide by weight are both smaller, and with the molar ratio of 1.0, the average particle sizes are (36±5.6)nm nm and (164±32)nm respectively.

结果表明：氧化锑混合物不进行陈化对胶体五氧化二锑的形成最有利；磷酸与锑的摩尔比分别为0.8～1.0和1.0～1.3时，10%和15%的胶体五氧化二锑胶粒粒径较小，当摩尔比为1.0时，粒径分别为(36±5.6)nm和(164±32)nm。

The change of apple florescence spectral features and the target information of apple flower/leaf and apple flower/tree present a good correlation, and it indicates that the sensitive wave band range is 400-530 nm cyan light, 570-700 nm orange-red light, and the 760-1350 nm nearly infrared of medium flower/tree of apple trees.

其光谱特征变化与花叶比和花树比指标呈现较好的相关性，敏感波段范围为400~530 nm的蓝青光和570~700 nm的橙红光，以及中等花树比果树760~1 350 nm的近红外。

Under stimulation of glutamic acid, [Ca2+]i in soma increased from 100 nM to 1 μM, and [Ca2+]i in spines increased from 50 nM to 300 nM. These results prove that monitoring calcium concentration in spine with Cameleon is feasible.

吹加谷氨酸来研究了神经元的胞体和树突棘的钙动力学，在100 μM 的谷氨酸的刺激下胞体内钙离子浓度从100 nM 上升到1 μM 左右，而树突棘内钙离子浓度从50 nM 上升达到500 nM。

ASpheric FeNi nanoparticles with average diameter of about 70 nm were obtained in the system of cetyltrimethyl ammonium bromide/H_2O,while most of the products were nanofilms/rods with the addition of cyclohexane; nearly monodisperse FeNi nanoparticles with average diameter of about 25 nm were prepared in the system of PEG/cyclohexane/H_2O.With the assistance of ultrasonic,a no-surfactant method to 8.5 nm FeCo nanocrystals with high Ms(＞200.5 emu/g)has been developed with economical FeCl_3·6H_2O as iron sources.

a以水合肼为还原剂在十六烷基三甲基溴化铵/H_2O体系中得到了平均粒径约70 nm的FeNi合金球形颗粒，当在此体系中加入环己烷时样品主要形态为纳米膜/棒；于PEG/环己烷/H_2O体系中制备了单分散性较好的平均粒径约25 nm的FeNi合金纳米颗粒，合金纳米颗粒粒径随金属离子浓度减小而减小。

The crystal constant of α has a range from 0.932 nm to 0.933 nm with an average of 0.933 nm. Various replacement and remnant structures show that the phosphorates in submarine guyots are mainly of replacement origin.

各种交代残余结构（交代角砾状结构、交代生物结构、交代凝灰结构、交代生物假象结构、交代填间结构等）表明，太平洋水下海山上的磷酸盐主要属交代成因。

When the thickness of ITO was 210 nm, the Alq3 based TOLED exhibited a narrowed Electroluminescent peak at 536 nm with a full width at half maximum of 22 nm, of (0.229, 0.729) and an efficiency of 1.77cd/A. 2. With Alq:DCJTB/TBADN:TBPe/Alq:C545 as white light-emitting layer, RBG tricolor TOLEDS were achieved by adjusting the thickness of ITO. We obtained the peak wavelengths at 603nm, 475nm and 538nm, CIE coordinates of (x=0.513, y=0.360),(x=0.133, y=0.201) and (x=0.335, y=0.567), FWHMs of70nm, 30nm and 48nm for red, blue and green, respectively.

以多层结构Alq：DCJTB/TBADN：TBPe/Alq：C545为白光发光层，通过调节ITO的厚度，实现了红、蓝、绿三基色发光的顶发射微腔器件；当ITO的厚度分别为240nm、180nm、215nm时，器件发光峰值为603nm、475nm、538nm时，色坐标为(X=0.513，y=0.360)、(x=0.133，y=0.201)和(x=0.335，y=0.567)，半高宽为70nm、30nm、48nm。

Nanostructured ZnO films with grain size of 28～35 nm have been prepared on quartz glass substrates by pulse laser ablation of Zn target in oxygen atmosphere. The structural and optical properties of the films were studied. ZnO thin films with typical c-axis (002) orientation were successfully deposited at a range of 100～250 ℃. The results obtained by X-ray diffraction and photoluminescence measurements show that the strong UV emission centering is about 378～385 nm and deep-level emission centering about 518～558 nm in the room temperature PL spectra of the ZnO films.

利用脉冲激光沉积法在氧气氛中烧蚀锌靶制备了纳米晶氧化锌薄膜，衬底为石英玻璃，晶粒尺寸约为28～35 nm.X射线衍射结果和光致发光光谱的测量表明，当衬底温度在100～250 ℃范围内时，所获得的ZnO薄膜具有c轴的择优取向，所有样品的强紫外发射中心均在378～385 nm范围内，深能级发射中心约518～558 nm，衬底温度为200 ℃时，得到了单一的紫外光发射。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"