双峰

双峰双波长分光光度法测定Fe（Ⅲ）和Fe（Ⅱ）混合组分的研究

Determination of Fe (ⅲ) and Fe (ⅱ) in Mixture System by Doublet Peak and Dual-Wavelength Spectrophotometry

结果表明，在双能级系统中反旋项主要引起Bloch-Siegert频移，在V-型三能级系统中反旋项将导致Autler-Townes双峰的不对称。

We show that the counter-rotating component leads to the Bloch-Siegert shift in a two-level system while leads to an asymmetry of the Autler-Townes doublet in a three-level system . The above results are explained via the dressed-state theory .

PET及PA的模量&应变曲线都是明显的双峰曲线。

The modulus-strain curves of PET and PA have two peaks .

双峰海浪谱的SAR图像交叉谱仿真研究

Simulation of SAR Image Cross Spectra Simulation from Double - peaked Ocean Wave Spectra

RNA/DNA比值也呈双峰曲线，两个高峰出现的时间恰在DNA两次高峰出现之前；

The ratio of RNA / DNA took on double peak curve as well which occurred just before two DNA peaks appearing .

多云天气表现出不规则的双峰。比较而言，紫李、黑琥珀李比海湾红宝石李有较高Pn。

Purple plum and Black amber had higher Pn than Gulf ruby .

苏南晚二叠世末期双峰次火山岩的发现和单颗粒锆石U－Pb年代学意义

Newly discovered bimodal subvolcanic rocks in the Late Permian of Southern Jiangsu and single zircon U-Pb geochronology

国外单反应器生产双峰HDPE的工艺技术

Overseas Technologies for Producing Bimodal HDPE With Single Reactor

当主量子数n为奇数，赖曼线形不存在中央峰，而形成分裂的双峰。

As the principle quantum number n is odd , there is no central peak and two splitted peaks exhibit for the Lyman line profile .

X射线衍射双峰的Voigt峰形函数拟合

Double-peak Fitting of X-ray Diffraction by Voigt Profile Function

ern在中午H现下降，表现出双峰日变化曲线。

ETR showed one two-peak diurnal changes curve , falling at noon .

X射线连续谱的衍射峰晶体定向中发现（100）和（001）晶面的一级衍射出现双峰；

A Study on The Diffraction of Continuous X-Ray Speetrum In the experiment of crystal orientation , two peaks of X-ray diffraction were observed .

然后用次近邻效应和B位上阳离子二项式分布计算结果解释了出现3套或4套双峰的原因。

Then we explained the cause for three or four doublets with next nearest neighbor effect and the results calculated in terms of binomial distribution in B site cation .

提出AR模型谱估计与双峰谱线修正算法相结合的间谐波检测方法。

A method for interharmonic measurement is presented based on AR model spectral estimation and correction algorithm of double spectral lines .

该系统X射线和TeV伽玛射线能段的光变曲线的轮廓是类似的，均在近星点两侧呈双峰分布。

The X-ray and TeV light curves of this system are similar and display two-peak profiles .

各F2群体中的叶色呈现双峰连续分布，验证了叶色遗传的双基因模型；

The leaf color distribution in F2 populations showed two successive apices , approving the inheritance of rice leaf color accorded with two genes model .

第一部分，以玉米幼苗（大黄和晴三）为材料，测定了两个品种1℃冷胁迫下幼苗的存活曲线和内源H2O2含量变化的双峰曲线。

Firstly , the survival percentage curve and the dual-peak curve of H2O2 content of two kind of maize seedlings were investigated under chilling stress .

包气带中~（85）Sr迁移的浓度双峰分布数值模拟研究

Numerical modeling of ~ ( 85 ) Sr migration in aerated zone with the characteristic of double peak concentration distribu-tion

增生间皮细胞进行DNA倍体直方图在2c及3c处形成双峰值。

Meanwhile , the DNA histogram of hyperplastic mesothelial cells formed two peaks at 2c and 3c ~ 4c DNA .

日光合量（DPA）的季节消长成双峰形。

The seasonal fluctuation of DPA Presented a double-peak pattern .

温室葡萄和露地葡萄叶片Pn的年变化均为双峰型曲线。

The change of one year of Pn in different canopy structures both inside and outside the greenhouse appears in double-peak curve .

秋季净光合速率呈双峰曲线，影响光合速率的主要因子为光合有效辐射、蒸腾速率、胞间CO2浓度和大气水气压亏缺；

The photosynthetic rate showed a double-peak curve in autumn , the major factors affecting the photosynthetic rate were E , PAR , Ci and VPDL .

发育中稻胚ABA含量的双峰曲线与胚的两阶段发育模式一致。

The bimodal distribution curve of ABA contents in developing rice embryo was consistent with the biphasic pattern of the embryonal development .

扬子块体西缘新元古代双峰式火山岩的锆石U-Pb年龄和岩石化学特征

Zircon U-Pb age and petrochemical characteristics of the Neoproterozoic bimodal volcanics from western Yangtze block

在PEG胁迫下，6种促根处理蒙古栎苗木的净光合速率随时间变化趋势相似，均呈双峰曲线。

The trend of photosynthetic rate under six promoting seedlings root method on Q. mongolica is similar , which is showed a bimodal curve .

测定结果表明三者的光合速率、气孔导度、胞间CO2浓度、蒸腾速率日变化均为“双峰”曲线。

Results showed that diurnal courses of photosynthetic rates , stomatal conductance , intercellular CO2 concentration , and transpiration rate of the3 species were the double-peak type curves .

结果表明，使用ANSYS和使用双峰分布的热流来计算GMAW温度场均是可靠和可行的。

The result indicates that it is credible and feasible using ANSYS to calculate GMAW temperature field and introducing double-apex heat flux .

其共同的心电图特征为：QTc≥046s，T波宽大双峰，U波明显。

The common ECG characteristics were : QTc ≥ 0.46 s , broad and notched T wave and obvious U wave .

结果表明：PBT结晶熔化时的DSC双峰图为多重熔化行为而非多晶型的结果；

The experimental results show that the double-peaks in DSC plots are owing to mutiple-melting behavior but not to polymorphy in PBT crystals .

宽或双峰分子量分布HDPE的研制&Ⅰ.双金属复合催化剂的制备及其催化乙烯聚合反应动力学

Study on Wide or Bimodal Molecular Weight Distribution HDPE ⅰ . Preparation of Bimetallic Composite Catalyst and its Reaction Kinetics in Ethylene Catalytic Polymerization