双

Solid mixtures comprising a variety of high melting bisphenols; 4,4'-biphenol; 3,3,3,3'tetramethylspirobiindanbisphenol, and 4,4'-sulfonydiphenol are converted to stable, homogeneousmelt solutions at 200 DEG C, a temperature substantially below the melting points of the high melting bisphenols in their pure states.

在200℃下，基本低于纯态高熔点双酚的熔点的温度，将含有各种高熔点双酚；4，4′-二酚；3，3，3，3′四甲基螺二茚满双酚，和4，4′-磺酰联苯酚的固体混合物转化为稳定、均质的熔体溶液。

The metal ions of the dinuclear copper complex of [Cu_2_2Cl_4] are linked by two N~1,N~2 1,2,4-triazole bridges,and the central Cu ions have distorted trigonal bipyramid geometries. The central Cu ion of [CuL22]·H2O has a centrosymmetric and distorted tetragonal-octahedral geometry. The metal ions of the dinuclear manganese complex of [Mn_2L_2_2Cl_2(H_2O)_2] are bridged by two chlorine atoms, and the central Mn ions have distorted tetragonal-octahedral geometries. Part III.

配合物[Cu_2_2Cl_4]是通过配体L的1，2，4-三唑环上两个氮原子(N~1，N~2)桥联形成的双桥双核配合物，每个中心铜离子都具有畸变的三角双锥构型；配合物[CuL22]·H_2O的中心铜离子具有中心对称的畸变八面体构型；配合物[Mn2L2_2Cl_2(H_2O)2]是通过两个氯原子桥联形成的双桥双核配合物，每个中心锰离子都具有畸变的八面体构型。

Applying mechanics of partitioning of matrix and special structure, we have given the sufficient and necessary conditions for the matrix if it has bisymmetric and anti-bisymmetric solutions.

对于广义双对称与广义双反对称矩阵，首先结合矩阵的结构特点，应用广义逆的相关知识，给出了有解的充要条件以及有解时解的表达式，最后在一种特定的分解条件下，考虑了它的广义双反对称最小二乘解。

Furthermore,the optimal approximation bisymmetric solution pair to a given bisymmetric matrix pair in Frobenius norm can be obtained by finding the least norm bisymmetric solution pair of new matrix equation ,where .

另外，给定双对称矩阵对，通过求矩阵方程的双对称解对，得到它的最佳逼近双对称解对。

Bonnethead shark Females of this small hammerhead shark species were thought to mate with several males and store their sperm for later use, so scientists assumed the resulting litter of baby sharks would have several different fathers.

窄头双髻鲨科学家曾认为，雌性窄头双髻鲨有不同的性伴侣并将不同的雄鲨*储存在体内供今后孕育幼鲨，于是雌性窄头双髻鲨产下的每胎小鲨鱼都可能有若干个父亲。

The equipments possessed by our company: 20 injection machines; 5 automatic single-mode hellow-forming machines; 6 automatic double-mode hollow-forming machines; 12 two layers double-mode computer-controlling hollow-forming machines imported form Italy; 7 360°bronzine machines of plastic bottles, and 2 four-colours printing machines imported from Italy, one of which can print 100 bottles per minute and the other 60 bottles.

公司拥有注塑机20台，单模自动中空成型机5台，双模自动中空成型机6台，意大利引进的双层双模双功位电脑全自动中空成型机12台，日本引进的360度烫金机7台，半自动塑瓶印刷机19台和意大利引进的每分钟100只和60只的四套色印刷机各一台，年生产塑盖、塑瓶3亿件。

The results indicate that, three-dimensional double-porphyrin derivatives with butadiyne linkages have very large TPA cross section, which is a promising direction for further development of novel TPA materials.

研究发现，以丁二烯为连接桥的三维双卟啉衍生物具有大的双光子吸收截面，是一类有应用前景的双光子吸收材料。

Then an in-depth analysis and comparison between anticipated hard handover and two network interfaces soft handover are performed. Based on that, we propose two paths IP soft handover and its algorithm. The entire algorithm includes second capsulation algorithm of train part and decapsulation and data recovery algorithm of railway and control center part.

通过分析和比较预扫描硬切换和双网络接口软切换，本文提出了双路径IP软切换方案并设计了双路径IP软切换算法，整个算法包括车载部分的二次封装算法和轨旁及控制中心部分的解封装和数据还原算法。

The preparation method is characterized in that:(1) at minus 10 DEG C to 10 DEG C, a chloroauric acid solution with a certain concentration is added into a nano-Pt/C catalyst by ultrasonic or stirring mixture and the atomic ratio of Pt to Au is controlled between 18:1 and 5:1;(2) a small amount of monohydric alcohol or dihydric alcohol or trihydric alcohol of C1-C3 is added and is stirred at minus 10 DEG C to 10 DEG C for 10 min to 5h, so as to prepare the carbon-loading Pt-Au bimetallic nano electro-catalyst;(3) if necessary, the catalyst obtained by the step (2) is treated for 0.5 to 4h at high temperature ranging from 100 DEG C to 700 DEG C in the inert or reducing atmosphere, so as to adjust and control the grain size of the Pt-Au bimetallic nano electro-catalyst.

本发明涉及了一种高稳定性碳载Pt-Au双金属纳米电催化剂的制备方法，其特征在于：(1)在-10～10℃中，将一定浓度氯金酸溶液加入到纳米Pt/C催化剂中经超声或搅拌混合，控制Pt∶Au的原子比为18∶1-5∶1；(2)添加少量C 1 -C 3 的一元、二元或三元醇类，在-10～10℃下搅拌10min-5h，制备了碳载铂金双金属纳米电催化剂；(3)视需要，可将步骤(2)得到的催化剂在惰性气氛或还原气氛中经100～700℃高温处理0.5-4h，可调控Pt-Au/C双金属纳米催化剂的粒径。

A new type of high-birefringence photonic crystal fiber is brought forward, and the method introducing circinal holes with different sizes or elliptical holes which is used to design high-birefringence photonic crystal fiber is replaced by introducing fluorine-doped solid circles.

提出了一种新结构的高双折射光子晶体光纤，通过引入掺氟实心圆的方式形成双折射，而不采用大多数高双折射光子晶体光纤中引入不同孔径空气孔或椭圆空气孔的结构。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。