荷花的一种新害虫--茶黄蓟马及其防治对策

茶黄蓟马是荷花上一种新害虫,该蓟马在我国大陆过去尚无为害荷花的记录.近年,广东省佛山市三水区"荷花世界"园,受茶黄蓟马严重为害.为此,开展系统调查研究,明确该蓟马的主要寄主及转移动向,并提出防治对策.     

方正断陷的形成及其动力学机制

本通过对方正地区所发现的负花状构造及其有关构造运动形迹分析的基础上，进一步提出方正断陷是走滑－拉分形成的断陷盆地。并从动力学、构造学等方面对其形成机制进行了分析探讨。     

New method for monitoring of adsorption column saturation and regeneration I. Demonstration of the measurement principle

A new method suitable for the on-line monitoring of adsorption column saturation/regeneration cycles was developed based on the discovery that the electrical resistance of adsorbents changes dramatically upon adsorption and returns to its original value upon desorption, and that this change can be measured reliably. The phenomenon was demonstrated on four different adsorbent/adsorbate systems, on both single particles and in a packed bed between parallel plates. The observed phenomenon was studied on the carbon/CO2 system in more detail, because of the availability of extensive literature data. It was found that the resistance change in this system correlated with the amount of CO2 adsorbed. The correlation was used to construct an adsorption isotherm based on resistance change data.     

借古开新,洋为中用——杭州花港观鱼公园评析

杭州花港观鱼公园的规划设计、建设和管理立足人的求,在继承中国优秀园林艺术传统的基础上,吸收了西方特别是英国自然式园林的优点,具有重大的创新和突破,对西湖风景名胜区公园建设乃至中国风景园林建设产生了重大影响,是新中国园林规划设计和建设的优秀典范。到目前为止,参观游览花港观鱼公园的海内外游客已经超过1亿人次。设计者孙筱祥先生的设计理念是在创新中继承中国优秀的园林艺术传统和借鉴国外园林设计的精华,才能成功创作优秀的风景园林作品。     

梅品种国际登录的五年-写在《中国园林》系统刊登梅国际登录品种彩照专页之前

简单介绍了梅品种国际登录权威申请和批准经过以及近5年的品种登录成果.在此基础上,为了扩大影响和国内外交流,为了梅品名称标准化,以便加速促进梅花与梅果产业化进程,自本期起在<中国园林>陆续刊出梅国际登录品种.相信此举必将对梅业之快速发展,产生一定的推动作用.最后,提出了园艺植物品种国际登录工作展望.     

浅析花境在城市道路绿化设计中运用—以福州为例

本文分析花境在道路绿化运用中碰到的一些问题,针对这些问题如何设计好这种类型进行一些初步的探讨。     

机器人导航路径的动态细化分工花授粉算法规划

为了减少机器人点对点工作路径长度,提出了个体动态细化分工花授粉算法的路径规划方法。以花授粉算法为基础,将花粉按照适应度划分为精英个体、优等个体、差等个体,并对个体进行动态细化分工。精英个体引领进化方向,优等个体使用改进搜索方式进行寻优,差等个体使用柯西变异逃出局部最优,由此提出了个体动态细化分工花授粉算法。使用个体动态细化分工花授粉算法搜索最优路径结点,依据最优路径结点和三次样条插值法规划出最优路径。在简单环境和复杂环境下进行仿真验证,个体动态细化分工花授粉算法规划的路径长度、收敛速度和寻优稳定性均优于传统花授粉算法和改进蝙蝠算法。     

CORROSION INHIBITION OF CARBON STEEL IN LOW CHLORIDE MEDIA BY AN AQUEOUS EXTRACT OF HIBISCUS ROSA-SINENSIS LINN

The inhibition efficiency (IE) of an aqueous extract of white flower, namely, Hibiscus rosa-sinensis Linn., in controlling corrosion of carbon steel immersed in an aqueous solution containing 60 ppm of Cl^-has been evaluated by the mass loss method. The flower extract (FE) shows good IE. In the presence of Zn²⁺, excellent IE is shown by the flower extract. A synergistic effect exists between the flower extract and Zn²⁺. The mechanistic aspects of corrosion inhibition have been investigated by polarization study and AC impedance spectra. Polarization study reveals that the formulation consisting of flower extract and Zn²⁺ functions as a mixed inhibitor. AC impedance spectra reveal that a protective film is formed on the metal surface. The active principle in the flower extract is quercetin-3-O-glucoside. This has been confirmed by UV-visible absorption spectra. The protective film formed on the metal surface has been analyzed by FT-IR and AFM spectra. It is found that the protective film consists of Fe²⁺-quercetin-3-O-glucoside complex and Zn(OH)₂.     

早期耶稣会的建筑知识及其传播与内化——以明末利玛窦建筑活动的相关背景为中心

本文着重从早期耶稣会的建筑教育与书籍使用的角度出发,分析其至明末时期在华的建筑活动及其特征。据《北堂藏书》和费赖之所撰写的《在华耶稣会士列传》所罗列的会士名单与建造活动来看,西方古典建筑知识体系得以在华落地生根,不应仅归结于会士的个人艺术创造。建筑体系的在地化,需要依靠完整且具目的性的教学以及相当规模的建筑书籍的使用,两者能在遥远的东方以建造形式支持其宗教活动。本文以明末利玛窦在华建筑活动的开启出发,分析了耶稣会建筑在华传播与内化初始阶段的背景,并对其在肇庆所建的中国第一座耶稣会建筑"仙花寺"进行探讨。     

HYDRATION AND PHASE SEPARATION OF TEMPERATURE-SENSITIVE WATER-SOLUBLE POLYMERS

Collapse of a poly(N-isopropylacrylamide) (PNIPAM) chain upon heating and phase diagrams of aqueous PNIPAM solutions with very fiat LCST phase separation line are theoretically studied on the basis of cooperative dehydration (simultaneous dissociation of bound water molecules in a group of correlated sequence), and compared with the experimental observation of temperature-induced coil-globule transition by light scattering methods. The transition becomes methanol is also studied from the viewpoint of competitive hydrogen bonds between polymer-water and polymer-methanol.The downward shift of the cloud-point curves (LCST cononsolvency) with the mole fraction of methanol due to the competition is calculated and compared with the experimental data. Aqueous solutions of hydophobically-modified PNIPAM carrying short alkyl chains at both chain ends (telechelic PNIPAM) are theoretically and experimentally studied. The LCST of these solutions is found to shift downward along the sol-gel transition curve as a result of end-chain association (association-induced phase separation), and separate from the coil-globule transition line. Associated structures in the solution, such as flower micelles, mesoglobules and higher fractal assembly, are studied by USANS with theoretical modeling of the scattering function.