检索结果 - CNWS~

Teoría general de las obligaciones / por Manuel Borja Soriano profesor de la Facultad de Derecho y Ciencias Sociales de la Universidad Nacional de México 由 Borja Soriano, Manuel

Anales de la vida del Padre de la Patria Miguel Hidalgo y Costilla / escritos por Agustín Rivera para contribuir a la celebración del Centenario del Grito de Independencia 由 Rivera y Sanromán, Agustín, 1824-1916

Derecho fiscal : reproducción facsimilar de la edición de 1865 / Manuel Dublan 由 Dublan y Fernández Varela, Manuel, 1830?-1891

Una visión de 1890 hacia el futuro : El correo y Tomás A. Edison /

Cartilla para enseñar a leer /

Teotihuacanos, toltecas y tarascos : los indígenas de Mesoamérica I / 由 Pastrana Flores, Miguel

Olmecas, zapotecos y mixtecos : los indígenas de Mesoamérica IV / 由 Leyva, José Mariano

Ópatas, tarahumaras, yaquis y seris : los indígenas de Aridoamérica / 由 Gutiérrez Schott, Lorena

Njaua nt'ot'i ra hñähñu = Norma de escritura de la lengua hñähñu (Otomí); de los estados de Guanajuato, Hidalgo, Estado de México, Puebla, Querétaro, Tlaxcala, Michoacán y Veracruz...

[Cuentas y Gastos (Recibo de dinero)]

[Petición que presentan religiosas exclaustradas ante el gobernador del estado para que se les dispense de la falta de no haberse inscrito en el registro civil]

Libro 2º. De cordilleras del Sagrario de esta Santa Iglesia Catedral /

La advocación de la iglesia de los jesuitas en Oaxaca

Razón y sinrazón : temas de cultura venezolana / Luis Beltrán Guerrero 由 Beltrán Guerrero, Luis, 1914-1997

Guía del coleccionista de sellos : America's favorite family hobby / 由 Allen, Judy

The museum environment 由 Thomson, Garry

书本目录: “...Light Part I Surface deterioration -- Light and heat energy -- The spectrum --The basic light sources -- Colours and materials which change -- Damage caused by Uv and visible radiation -- UV radiation and how to deal with it -- Measuring UV and visible radiation -- The reciprocity law -- Controlling visible radiation -- Reducing illuminance -- 50 lux -- artificial light -- Diffusion of light -- 200 lux -- daylight and artificial light -- Conservation lighting specifications -- Treatment of windows -- Angle at which light falls on exhibits -- Reducing time of exposure -- A suite of exhibition rooms -- Heat -- Control of temperature -- Lighting for professional photography, television and restoration -- Electronic flash -- Colour rendering -- The measurement of color -- The lighting situation and the process of seeing -- Humidity Part I The importance of humidity -- Measuring the humidity in the air -- The wet-and-dry-bulb hygrometer -- Electronic hygrometers -- Non-mechanical hygrometers --Understanding the hygrometric chart -- Response of museum material to RH -- Best RH for moisture-containing absorbent materials -- Climate inside and outside the museum -- Condensation and the dew point -- Humidity control -- RH control in a room -- The humidistat -- Humidifying equipment -- Dehumidifying equipment -- Room RH control: maintenance and air circulation -- Packaged air-conditioning units -- Ducted air conditioning -- RH control in a closed case -- buffers -- Silica gel in packing cases -- Exhibition cases -- The buffered case: towards a practical solution -- RH control in a closed case -- use of salts -- Mechanical RH stabilisation in cases -- Future development of exhibition case stabilisation -- RH is often a matter of compromise -- Historic buildings closed in winter and churches -- Improvisation and RH control -- Humidity control in archaeology --Air Pollution Part I The problem -- Particulates -- Particulate concentrations today -- New concrete buildings -- Removal of particulates -- Electrostatic precipitators (electro-filters) -- Gaseous pollution -- Sulphur dioxide (SO2) -- Damage caused by sulphur dioxide -- Glass and sulphur dioxide -- Effects of sulphur dioxide on lichens and mosses -- Ozone -- Effects of ozone -- Nitrogen oxides -- Effects of nitrogen dioxide likely to be encountered -- Chlorides -- Pollution through storage conditions -- Removal of gaseous pollutants -- Fire extinguishers -- Sound and vibration -- Light Part II Spectral curves --Sun and sky -- Lamps and control equipment -- Measuring UV -- Luminous efficiency and the light meter -- Some basic light units -- Visual performance -- Luminance and subjective brightness -- The Blue Wool standards -- Damage versus wavelength -- Heat radiated from light sources -- Activation energy -- The primary photochemical reactions -- Placing a colour on the CIE Chromaticity Chart -- The colour rendering calculation -- Colour rendering and the black body convention -- Choosing a fluorescent lamp -- Dimming -- Humidity Part II The standard hygrometric (psychrometric) chart -- The classical air-conditioning operation -- A museum air-conditioning system -- Control -- Heating and cooling loads -- Sensors -- External design conditions -- Dimensional changes caused by RH variation -- Outdoor climate and response of objects indoors -- Does constant RH keep dimensions unchanged at all temperatures? ...”