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     Study on Trackside Works of CTCS 2 for 200km/h Section of Jing-Qin Line
     京秦线提速200km/h 区段CTCS2地面配套工程研究
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     Discussion on ZPW-2000A Closed-loop Coding on Existing CTCS-2 Section Stations
     浅议既有线CTCS2区段车站ZPW-2000A闭环电码化
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     Control on existing cursive status of 160/km/h section on Jing Jiu Line
     京九线160km/h区段既有曲线状态的控制
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     Control of Existing Curve State on the 160km/h Section of Beijing-Kowloon Railway
     京九线160km/h区段既有曲线状态控制
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     In actual project it is difficult to select proper formula for the distinguished property of each section.
     实际工程中很难区分各区段的给水性质,从而很难选择各区段的计算公式。
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     Establishment of an Oil Body-based Expression System and Deletion Analysis of a Vascular-specific Profilin2 Promoter
     植物油体表达体系的建立及Profilin2维管束特异表达启动子的区段缺失分析
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     Study on Models and Algorithms of Automatically Making Stage Plan for Railroad Locomotive Depot Station
     区段站阶段计划自动编制模型和算法研究
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     Study on Developing Vaccines Against Saliva Binding Region of the Surface Protein Antigen from Streptococcus Mutans Aiming to Prevent Dental Caries
     抗变形链球菌表面蛋白抗原唾液结合区段防龋疫苗实验研究
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     Study of T and B Cell Epitopes on Partial Protein of Hepatitis C Virus
     丙型肝炎病毒部分蛋白区段T、B淋巴细胞抗原表位的研究
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     Constrcution of Xinjiang Military Reclamation of Wastel and Type Fine-Fleece Sheep Genome BAC Library and Study on Loci Were Related to MHC Gene of Chromosome 20 Near Region
     新疆军垦型细毛羊基因组BAC文库的构建及20号染色体MHC基因邻近区段相关位1点的研究
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     The PDEs for Mixed Energy Representation
     区段混合能的偏微分方程
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     Allocation and Isolation Technique for Faulty Section
     故障区段判断和隔离方法
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In the final section the theorem is applied to gradient actions on other homogeneous spaces and we show, that Hilgert's Convexity Theorem for moment maps can be derived from the results.
      
The last section is devoted to a result about the cohomology of a Lie superalgebra with reductive even part with coefficients in a finite dimensional moduleM.
      
In the last section we give an exposition of results, communicated to us by J.-P.
      
Similar to Steinberg's connected and simply connected case [22] and under additional assumptions on the fundamental group of G, a global section to this quotient map exists.
      
The automorphism group ${\rm Aut}\,(X)$ is determined in the last section.
      
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现有的实验准则式存在着分岐。但由于采用的整理方案不同,难于直接比较。文章探讨了比较现有实验准则式的最便利的整理方案;重新整理了不同介质、不同温压及热流方向的实验数据。在流动层流的区段内,获得下列准则式:沿横园柱放热,N(?)w=0.50(Gr·Pr)_w~(1/4)沿平坚壁放热,N(?)w=0.57(Gr·Pr)_w~(1/4)这种准则式概括了现有实验范围的各种数据,并且仍保待了不加修正系数的简单形式。文章根据新整理方案获得的结果,肯定了沿横园柱放热与沿平坚壁放热二种准则式的实用差别,并进一步讨论了沿平坚壁放热与沿坚园柱放热的差别及准则式的适用范围。

The action spectra of K_3Fe(CN)_6 photoreduction by chloropksts in the presence or absence of 2, 6-dichlorophenol indophenol (DOPIP) were found to be fundamentally similar (Fig.1). Their relative photochemical efficiencies vary only slightly between 620-685 mμ, but drop sharply beyond 705 mμ The result supports our previous contention that the same photoreactions were involved in the above mentioned systems and K_3Fe(0N)_6 is primarilly reduced irrespective of the presence of DCPIP.The action spectra of NADP...

The action spectra of K_3Fe(CN)_6 photoreduction by chloropksts in the presence or absence of 2, 6-dichlorophenol indophenol (DOPIP) were found to be fundamentally similar (Fig.1). Their relative photochemical efficiencies vary only slightly between 620-685 mμ, but drop sharply beyond 705 mμ The result supports our previous contention that the same photoreactions were involved in the above mentioned systems and K_3Fe(0N)_6 is primarilly reduced irrespective of the presence of DCPIP.The action spectra of NADP photoreduction with reduced DCPIP as electron donor to exclude the oxygen evolution steps(±CMU), were also studied (Fig. 26, c).Contrary to Arnon's result, their action spectra are also essentially similar to that of the K_3Fe(CN)_6+DCPIP system between 620-685mμ. The only difference observed is the relatively higher efficiency in the utilization of the longer wavelength light(>705mμ). The result again suggests the hypothesis that long-wave light alone suffices to induce photoreduction, but short-wave light is necessary for oxygen evolution.

利用菠菜叶绿体为材料,比较了K_3Fe(CN)_6和DOPIP+K_3Fe(CN)_6系统在620—705mμ光谱区段中的作用光谱。发现两者是完全一致的,在620—685mμ区段中量子效率相仿,当波长大于685mμ后则效率显著下降。同时还测定了不包括放氧步骤的NADP+DCPIPH_2+维生素C及NADP+DCPIPH_2+维生素C+CMU两系统的作用光谱,它们在620—685mμ范围内的相对量子效率与K_3Fe(CN)_6系统相仿,但对705mμ光的利用效率相对地要比K_3Fe(CN)_6系统高一些。在620—685mμ范围内,所有各系统的作用光谱中,均未见到Arnon所报告的显著的峰和谷,从而认为Arnon根据他所作的各系统的作用光谱的形状而作出的一些推论是有问题的。

Under weak illumination the photophosphorylation activity of sweet potato leaf cell preparation (LOP) was shown to be less influenced by the "light intensity effect" (Fig.1). It serves as an excellent experimental material in investigating the efficiency of photophosphorylation.The action spectra of both cyclic (endogenous cofactor and PMS) and non-cyclic (K_3Fe(CN)_6 and NADP) photophosphorylation catalyzed by sweet potato LCP within the orange-red region of the visible light were determined. In all the systems...

Under weak illumination the photophosphorylation activity of sweet potato leaf cell preparation (LOP) was shown to be less influenced by the "light intensity effect" (Fig.1). It serves as an excellent experimental material in investigating the efficiency of photophosphorylation.The action spectra of both cyclic (endogenous cofactor and PMS) and non-cyclic (K_3Fe(CN)_6 and NADP) photophosphorylation catalyzed by sweet potato LCP within the orange-red region of the visible light were determined. In all the systems studied,relatively uniform efficiencies were observed between 620-680 mμ (Table 1 and Fig. 2).But as the wave length of the activating light exceeded 680mμ, the relative efficiencies of the non-cyclic photophosphorylation systems decreased abruptly, exhibiting a "red drop" phenomenon similar to those observed in photosynthesis and Hill reaction (Fig.2). In the case of cyclic photophosphorylation, relative efficiency at 700mμ light was nearly the same or a little higher than those under shorter wave lengths. When the wave length of the activating light went farther into the far-red region, the relative efficiency of cyclic photophosphorylation also dropped rapidly (Fig. 2).Both cyclic and non-cyclic photophosphorylation showed two-lights(640 and 708mμ)enhancement effect under aerobic conditions (Table 2). In H_2 atmosphere the efficiency of cyclic photophosphorylation at 708mμ light was raised and the two-lights enhancement effect disappeared (Table 4). It was concluded that the appearance of the "red drop" phenomenon and the two-lights enhancement effect in the cyclic photophosphorylating systems under aerobic conditions was due to the autooxidation of a part of the reduced cyclic cofactors. A second light reaction activated by shorter wave length light thus became necessary in order to reduce the oxidized intermediate and to enable the electron transport chain in full operation.The results of the present investigation substantiates the contention that two separate photochemical reactions, activated by different pigment systems, are present in the photosynthetic machinery of the chloroplast.

我们利用光强效应较不显著的甘薯叶细胞制剂为材料,测定了循环(内源、PMS)及非循环光合磷酸化[K_3Fe(CN)_6,NADP~+]在橙—红光区段的作用光谱及双光增益效应,所得的主要结果如下: (1)在620—680mμ范围内,各系统作用光谱的起伏均很小,没有出现显著的高峰或低谷。(2)当波长超过680mμ时,非循环光合磷酸化系统的效率大降,出现与光合作用及希尔反应中相似的“红降”现象。以640mμ光与708mμ光同时照射,见到双光增益效应的存在。(3)循环光合磷酸化在700mμ光照下,相对效率与短波长光下相近或稍高。波长再向上移则效率也迅速降低。在有氧条件下,708mμ光下的效率也受同时加照的640mμ光的增益,但在无氧条件下则不显示增益效应。作者认为由于部分循环光合磷酸化辅助因子的自动氧化,远红光下放氧反应受阻,影响了光氧化物的还原及重复使用,因而使相对效率降低。本文结果从光合磷酸化的角度,支持叶绿体中存在着两个独立的、有不同色素参与的光化学反应。

 
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