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forms     
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  形式
     Some Results on Geometry of Submanifolds in Space Forms
     关于空间形式中子流形几何的某些结果
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     The Narration Forms Evolution of China's Contemporary Drama Stage
     中国当代话剧舞台叙事形式的演变
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     A Study of the Restrictions on Constructions of Negative Forms
     否定形式的格式制约研究
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     Reputation, Commitment and Organizational Forms
     声誉、承诺与组织形式
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     Research on Applicator Forms and Thermal-field Distributions for Microwave Hyperthermia
     微波热疗中辐射器形式和热场分布的研究
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  形态
     The Study of Nonlinear Forms of Architecture in the Era of Information
     信息时代建筑非线性三维形态研究
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     STUDIES ON OXIDATION-REDUCTION PROCESSES IN PADDY SOILS ⅤⅡ. FORMS OF THE FERROUS IRON
     水稻土中氧化还原过程的研究 ⅤⅡ.亚铁的存在形态
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     STUDY ON THE POTASSIUM BEARING MINERALS IN SOIL (1) THE FORMS AND RELEASE OF POTASSIUM
     土壤中含钾矿物的研究——Ⅰ.含钾矿物中钾的形态及其释放
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     STUDY ON CADMIUM FORMS IN WASTEW ATER-IRRIGATED SOIL WITH ~(115+115m)Cd
     利用放射性同位素~(115+115m)Cd对两种污灌土壤中不同形态镉的研究
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     Morphology & Degeneration of Exoerythrocytic Forms of Plasmodium y. yoelii & Reactions of Host Cells in Rats & Mice
     约氏疟原虫外期在大鼠及小鼠肝内的形态、退变及宿主细胞反应
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  形成
     Study on the Characteristics and Mechanisms about Plant Life Cycle Forms of Acanthopanax Senticosus
     刺五加生活史型特征及其形成机制的研究
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     The Characters and Forming Mechanism of Life Cycle Forms Diversity of Catharanthus Roseus
     长春花[Catharanthus roseus(L.)G.Don]生活史型多样性的特征及其形成机制的研究
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     FeI λ 5324.19(?) LINE FORMS IN THE SOLAR MAGNETIC FIELD AND THE THEORETICAL CALIBRATION OF THE SOLAR MAGNETIC FIELD TELESCOPE
     FeIλ5324.19在太阳磁场中的形成和太阳磁场望远镜的理论定标
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     Formation Mechanism of the Growth Forms of SiO_2 and SnO_2 under Hydrothermal Conditions
     热液条件下SiO_2和SnO_2生长形态的形成机制
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     Cu(L)2 forms a classical complex with N2O2 donor, it is in monoclinic system with space group C2 and cell dimensions: a=3.699 6 nm, b=1.083 5 nm, c=1.285 6 nm, α=90 °, β=103.36 °,γ=90 °. The effects of organic solvents of various polarities on the UV-vis spectrometric spectra of ligand and complexes were investigated.
     Cu(L)2形成经典的N2O2配体配合物,属于单斜晶系,C2空间群,晶胞参数为:a=3.6996nm,b=1.0835nm,c=1.2856nm,α=90°,β=103.36°,γ=90°。
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  形态的
     The contents of these phosphorus forms were1.59%,3.51%,30.99%,2.43%, 20.27%,18.25%,22.96% respectively.
     分析得出上述各种磷的赋存形态的百分比分别为1.59%,3.51%,30.99%,2.43%,20.27%,18.25%,22.96%。
短句来源
     Formation Mechanism of the Growth Forms of SiO_2 and SnO_2 under Hydrothermal Conditions
     热液条件下SiO_2和SnO_2生长形态的形成机制
短句来源
     Among the four existing forms of Cr (Ⅵ) in Cr-containing wastewater, HCrO_4~- is considered as the principal one, while Cr_2O_7~(2-) as the secondary by calculating their distribution.
     本文通过计算电镀含铬废水中Cr(Ⅵ)的四种存在形态的分布情况,认为主要存在形式是HCrO_4~-,其次是Cr_2O_7~(2-)。
短句来源
     (2)the function resulting in the disease of fluorine in different forms is: a F - >F total , a NaF 0 > a CaF + > a MgF + and β NaF 0 > β CaF + > β MgF + ;
     (2 )氟的不同存在形态的致病作用是aF- >F总 ,aNaF0 >aCaF+>aMgF+,βNaF0 >βCaF+>βMgF+;
短句来源
     Significant correlations were obtained between ferrous concentration and the number of algae in Xanthophyta(r=0.858,P=0.000 4,N=20),and significant correlations were also found between different iron forms and chlorophyll a except for ferrous(r=0.630,P=0.003,N=20).
     亚铁与黄藻门细胞数存在显著正相关(r=0.858P=0.0004,N=20),其他形态的铁都与叶绿素a存在显著正相关(r=0.630,P=0.003,N=20);
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      forms
    Finally the cubic surfaces of each component ofQ are studied in details by determining their stabilizers, their rational representations and whether they can be expressed as the determinant of a 3×3 matrix of linear forms.
          
    Coordinates on Schubert cells, Kostant's harmonic forms, and the Bruhat Poisson structure onG/B
          
    For the flag manifoldX=G/B of a complex semi-simple Lie groupG, we make connections between the Kostant harmonic forms onG/B and the geometry of the Bruhat Poisson structure.
          
    For example, if our groupG isSn, these objects are field extensions; ifG=On, they are quadratic forms; ifG=PGLn, they are division algebras (all of degreen); ifG=G2, they are octonion algebras; ifG=F4, they are exceptional Jordan algebras.
          
    In this paper we investigate the ring of Siegel modular forms of genus two and level 3.
          
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    In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state into...

    In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state into the given final region of states. Some conclusions are obtained from the maximum principle by using transversal conditions of optimal trajectories in terminal points, and the particular properties of the stated problem are pointed out. The case of linear dif-ferential equations with integral quadratic functional criterion is investigated in detail.Further, in the second part the fundamental properties of isoloss regions, the rela-tions between the isoloss region and optimal control functions are indicated. As a direct result a partial differential equation determining the optimal loss-function J (x) is found and the connection between function J (x)and optimal vector control function u (x) is also stated. The methods proposed are practically the extension of the me-thods used by us for designing time optimal control systems as seen in [5, 6 ,7].Finally, an example is illustrated with optimal trajectories shown in phase plane.The necessary numerical data is calculated by an analog computer with high accuracy.

    文中研究了具有公式(3)表示的一般正积分泛函的最优控制系统的综合问题.在第一部分中研究了具有控制参数的一阶微分方程组.控制系统的终点状态为n维相空间内的某一逐段光滑边界的闭性区域Ω.文中指出了根据极大值原理和轨道终点的横截条件寻找引到Ω的所有最优轨迹的方法.这里详细地研究了具有二次泛函和被积函数中不明显含有控制参数的质量指标泛函的线性方程情况.在文中第二部分研究了等损耗区的主要特性.指出了等损耗区与最优控制函数之间的关系.导出了求算最优损耗函数J(x)的偏微分方程,以及这一函数与最优控制函数u(x)的关系.上述方法是我们曾在文献[5,6,7]中用过的最优快速系统的综合方法的推广.文章最后举有例证.

    This paper describes the dynamic behaviors of a selfbiased bistable multivibrator by the use of waveform analysis with special attention to the switching action of the isolation diodes and the effect of the symmetrical triggering pulse. Seven typical forms of transi-tion and four typical forms of failure are introduced in which the monotonic transition case with the grid voltage intersection point at the leading edge of the triggering pulse gives the highest dynamic stability. Experimental results...

    This paper describes the dynamic behaviors of a selfbiased bistable multivibrator by the use of waveform analysis with special attention to the switching action of the isolation diodes and the effect of the symmetrical triggering pulse. Seven typical forms of transi-tion and four typical forms of failure are introduced in which the monotonic transition case with the grid voltage intersection point at the leading edge of the triggering pulse gives the highest dynamic stability. Experimental results are included to illustrate the main points.

    在研究触发器的动态过程中,我们考虑了隔离二极管的开关作用和触发脉冲的影响,介绍了一种简单直观的分析方法. 文中概括出触发器的七种典型翻转过程和四种破坏情况,指出“交点在前沿的单调翻转过程”的动态可靠性最高.文中主要论点都有实验验证.

    The absorption band of water vapor at 0.94 μ is studied photographically by means of a concave grating spectrometer. Twenty eight component lines are observed and measured on a comparator as well as on a Moll microphotometer. This band shows something of a doublet form which suggests that the H2O molecule has a triangular form with the oxygen atom at the vertex of an obtuse angle. The lines agree closely with some of the absorption lines in the solar spectrum as measured by Abney in 1880.

    前之研究红外光谱者类多依赖热电堆以测定光谱内光能之分布。吾人咸知红外带状光谱之接近可见部分者,其成分线排列甚密。若用热电堆万难分析而得其细微组织。作者所考察之光谱正在红外照相片感光范围之内,故得测定水汽带状光谱内各成分线之波长而具有1内之准确度。 作者所用分光仪器为一凹面光栅,其曲度半径为2公尺。该光栅面上每厘米划有线6000根,颇适合红外光谱之探讨。所用光源为一1000流明之电灯泡泡内有一一字形线圈灯丝,其所发之光穿过2公尺之105°—110℃水汽而交聚在分光仪之缝上。红外照相片经氨溶液之超度敏化后,即安置於已经配准之相片匣内,而使之感光。光之可见部分系用深红滤片割除。照光时间约 费四五十小时,然后除去滤片,照以水银光谱凡数秒,作为决定波长之标准。 用前法所摄得之光谱大都不十分清晰,其主要原因系由水汽管之太短。但用显微光度计量之,各成分线之波长不难准至1(?)范围以内。本实验所得各线若与五十年前Abney所测定太阳光谱中0.94μ附近之吸收线相比较,可见太阳红外光谱中许多吸收线系由大气中水汽所产生,而证实Abney最初之推想。惟本实验所测定之吸收线与Abney所测定太阳光谱中之对应黑线具有一等差数约合1.5...

    前之研究红外光谱者类多依赖热电堆以测定光谱内光能之分布。吾人咸知红外带状光谱之接近可见部分者,其成分线排列甚密。若用热电堆万难分析而得其细微组织。作者所考察之光谱正在红外照相片感光范围之内,故得测定水汽带状光谱内各成分线之波长而具有1内之准确度。 作者所用分光仪器为一凹面光栅,其曲度半径为2公尺。该光栅面上每厘米划有线6000根,颇适合红外光谱之探讨。所用光源为一1000流明之电灯泡泡内有一一字形线圈灯丝,其所发之光穿过2公尺之105°—110℃水汽而交聚在分光仪之缝上。红外照相片经氨溶液之超度敏化后,即安置於已经配准之相片匣内,而使之感光。光之可见部分系用深红滤片割除。照光时间约 费四五十小时,然后除去滤片,照以水银光谱凡数秒,作为决定波长之标准。 用前法所摄得之光谱大都不十分清晰,其主要原因系由水汽管之太短。但用显微光度计量之,各成分线之波长不难准至1(?)范围以内。本实验所得各线若与五十年前Abney所测定太阳光谱中0.94μ附近之吸收线相比较,可见太阳红外光谱中许多吸收线系由大气中水汽所产生,而证实Abney最初之推想。惟本实验所测定之吸收线与Abney所测定太阳光谱中之对应黑线具有一等差数约合1.5(?)_0此等差数之产生想系由於波长单位之不同以及个别仪器误差所

     
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