彼此相爱的自由歌者

未曾预料这间房子如此之小,却在打开门的一瞬间有种情投意合的奇妙感觉。像是Linda不无得意告诉我的,截至楼梯口为止,你不会想象到这里任何一处布置,因为每个角落都是我们费劲心思点缀出来的,是属于彼此两个人的家。 Linda和Frankie是一对自由歌者,喜欢随意走着四处去唱歌给别人听。见面的时候,他们刚刚结束一场遥远的演出飞回来,照理说这样的人本该将家     

葡萄美酒夜光杯

如果你力图营造一种朦胧的气氛,反而不容易达到理想的意境。你把灯光调暗了,老式唱机里Jazz在空气中弥漫,然而,似乎缺少了什么。不再需要憋脚的语音,此时无声胜有声,因为两颗心会在醉人的酒杯交错之间进发出浪漫的火花。     

Dynamical Properties of Potassium Ion Channels with a Hierarchical Model

It is well known that potassium ion channels have higher permeability than K ions, and the permeable rate of a single K ion channel is about 108 ions per second. We develop a hierarchical model of potassium ion channel permeation involving ab initio quantum calculations and Brownian dynamics simulations, which can consistently explain a range of channel dynamics. The results show that the average velocity of K ions, the mean permeable time of K ions and the permeable rate of single channel are about 0.92nm/ns, 4.35ns and 2.30 ×10^8 ions/s, respectively.     

蜡烛有心灯解语

精致的晚餐、醉人的醇酒、柔美的音乐、含苞的鲜花,倘若再配上摇曳的烛光,如此的夜晚实在令人沉醉。蜡烛不仅为人们带来了光明,也为今天的我们营造了浪漫。点一室温馨,燃一生缱绻。幽幽烛光印证了所有的幸福和甜蜜。     

低熔点焊膏的性能及应用

提出一种低熔点焊膏，其特点是焊料熔点为１３０￣１５３℃，适合于镀金表面的低温钎焊，其配用焊剂不含卤素，水溶性电阻高达２×１０＾５，所研制的焊膏可根据涂敷方式的不同适当调整其粘度，其钎焊接头具有良好的综合力学性能。     

ON THE STRUCTURE OF CONTINUA AND THE MATHEMATICAL PROPERTIES OF ALGEBRAIC ELASTODYNAMIC OF A TRICLINIC STRUCTURAL SYSTEM

This paper is neither laudatory nor derogatory but it simply contrasts with what mightbe called elastostatic(or static topology),a proposition of the famous six equations.Theextension strains and the shearing strainsfor all i,j,k=1,2,3.which were derived by A.L.Cauchy,are linearly expressed in terms of nine partialderivatives of the displacement function(u_i,u_j,u_k)(?)u(x~i,x~j,x~k)and it is impossiblefor the inverse proposition to sep up a system of the above six equations in expressing thenine components of matrix((?)(u_i,u_j,u_k)/(?)(x~i,x~j,x~k)).This is due to the fact that ourgeometrical representations of deformation at a given point are as yet incomplete .On theother hand,in more geometrical language this theorem is not true to any triangle,exceptorthogonal,for“squared length”in space.The purpose of this paper is to describe some mathematic laws of algebraicelastodynamics and the relationships between the above-mentioned important questions.     

水杨醛肟铜络合物中性载体高选择性水杨酸根电极的研究

采用合成的Schiff碱金属络合物水杨醛肟铜(Ⅱ)、锌(Ⅱ)、镍(Ⅱ)为中性载体制备阴离子选择性电极。结果表明水杨醛肟铜(Ⅱ)对水杨酸根(Sal-)具有高选择性及优良的电位响应性能,电极呈现反Hofmeister选择性行为,其选择性次序为Sal->ClO4->SCN->I->NO2->NO3->Br->Cl->OAc->SO42-。采用交流阻抗技术和紫外可见光谱技术研究了电极的响应机理。该电极具有响应快、重现性好、检出限低和制备简单等优点。将电极用于药品及人体尿液分析,结果令人满意。     

晶态氮化碳薄膜的低温合成

The synthesis of carbon nitride films at low temperature has been investigated using pulsed arc discharge from methanol solution with nitrogen atmosphere. Raman spectra and X-ray diffraction (XRD) analysis suggest that crystalline carbon nitride films may be prepared at low substrate temperature (220 ℃). At same time, the substrate temperature has a significantly effect on the nitrogen content and structure of the films. Increasing substrate temperature (300 ℃) would decrease the content of nitrogen in the films and result in a formation of carbon films.     

Highly Selective Salicylate Membrane Electrode Based on N,N＇- （Aminoethyl）ethylenediamide Bis（2-salicylideneimine） Binuclear Copper（Ⅱ） Complex as Neutral Carrier

A new ion selective electrode for salicylate based on N,N＇-（aminoethyl）ethylenediamide bis（2-salicylideneimine） binuclear copper（Ⅱ） complex [Cu（Ⅱ）2-AEBS] as an ionophore was developed. The electrode has a linear range from 1.0 × 10^-1 to 5.0 ×10^-7 mol·L^- 1 with a near-Nemstian slope of （ - 55 ±1 ） mV/decade and a detection limit of 2.0 × 10-7 mol·L^-1 in phosphorate buffer solution of pH 5.0 at 25 ℃. It shows good selectivity for Sal^- and displays anti-Hofmeister selectivity sequence： Sal^-〉SCN^-〉 ClO4^- 〉I^-〉 NO2^- 〉Br^-〉 NO3^- 〉Cl^-〉 SO3^2- 〉 SO4^2- The proposed sensor based on binuclear copper（Ⅱ）complex has a fast response time of 5-10 s and can be used for at least 2 months without any major deviation. The response mechanism is discussed in view of the alternating current （AC） impedance technique and the UV-vis spectroscopy technique. The effect of the electrode membrane compositions and the experimental conditions were studied. The electrode has been successfully used for the determination of salicylate ion in drug pharmaceutical preparations.     

矩形截面毛细管电泳和二维分离

在石英单晶表面制成矩矩截面毛细管柱中进行电泳实验。由于矩形柱比圆形柱有更大散热侧面积且石英单晶的导热性能远无于熔融石英，所以可施加较高的场强，不仅提高了柱效，而且缩矩了分离时间。两相交的通道之间形成自然连接，可实现二维分离，并消除死体积。