造纸用英文怎么写

1.造纸术的英语怎么说

造纸术

1.paper-making

2.papermaking

3.paper-making techniques

4.paper making

造纸术起源于中国

1.the invention of the papermaking is referred to china

造纸术的发展

1.the spread of papermaking

蔡伦和造纸术

1.cai lun and papermaking technology

2.造纸专业英文单词

Chemically, a polymer composed of glucose monomers. It is the main constituent of plant fibres. Chelating :鳌合 Chemically combining with a metallic ion into a "coordination complex". Common chemicals used for chelation are EDTA ( acid) and DTPA ( acid). Chemical pulp :化学浆 Pulp obtained by digestion of wood with solutions of various chemicals. Chemical recovery cycle :化学回收循环 Part of the pulp mill, in which the spent cooking chemicals are recycled and reconverted into active cooking chemicals. Chemimechanical pulp :化学机械浆 1. Pulp produced with a combination of a gentle chemical treatment stage and mechanical defibration, such as disc refining. The yield range is 80 to 95 %. 2. Subgroup of chemimechanical pulps (also called CMP), produced with relative severe chemical treartment combined with atmospheric refining. The yield is typically below 90 %. Chemithermomechanical pulp, CTMP :化学热机械浆 Chemimechanical pulp produced with relatively low chemical doses combined with pressurized refining. The yield is typically above 90 %. Chlorine number :氯价 Test method for determining the bleach requirement of a pulp. It indicates the number of grams of chlorine consumed by 100 g of pulp under specified conditions. Chips :木片 Chopped wood prepared for coking to produce chemical pulp or refining to produce refiner mechanical pulp. Chip chute :木片斜槽 Vertical conduit through which chips fall from the steaming vessel into the high pressure feeder, a component of continuous digester systems. Chip meter :木片装锅计量器 Device used with the continuous digester feed system to control the chip feed rate. Chlorination :氯化(作用) A bleaching stage (denoted C) using elemental chlorine as bleaching agent. Chlorine :氯气 Greenish-yellow gas used as a bleaching agent. Also known as gas chlorine or elemental chlorine. Chlorine dioxide :二氧化氯 Yellow gas in solution as a bleaching agent. Chop :碎片 Short, chunky bundle of unseparated fibres occurring in mechanical pulps. Chromophor :发色团 Chemical group responsible for colour in (wood and pulp). Classifier :分离器 Term with wide applications. Usually refers to laboratory devices for separating aqueous suspension of pulp fibres into various-size fractions. Cleaning :净化 Removal of dirt and foreign material from pulp by centrifugal action. Cleaners :净化器 Vessels which remove dirt and foreign material from pulp by centrifugal action. Closed system :封闭系统 System wherein white water or filtrate is mainly recirculated and not discharged to waste. COD :化学需氧量 (Chemical oxygen demand). Chemical oxygen-consuming substances. A measure of the amount of oxygen required for the total chemical breakdown of organic substances in water. Cold blow :冷法喷放 Pressure ejection of cooked pulp from a batch or continuous digester after the pulp has been cooled to below 100 oC. The cooling step reduces damage to the fibres. Cold soda pulp :冷碱浆 A semichemical pulp generally produced from hardwoods by room temperature treatment with sodium hydroxide followed by mechanical fiberizing. Condensate :冷凝水 Any material that has condensed from a gaseous phase into a liquid phase. Usually refers to water that has condensed from steam in a heat exchange process. Coniferous trees :松柏 Cone-bearing and evergreen trees, such as spruce, pine, hemlock, balsam. Also termed softwood trees. Consistency :浓度 Weight percentage of pulp in a pulp and water mixture. Continuous cooking :连续蒸煮 Chemical pulping operation in which wood chips and cooking liquor are fed at a constant rate into the digester and move in continuous fashion through successive zones or stages of equipment. Continuous digester :连续蒸煮器 Digester system for continuous cooking. Cooking :蒸煮 Treating fibrous materials with chemicals under heat and pressure to produce pulp for papermaking. Cooking zone :蒸煮区 Section within a continuous digester in which the major portion of the cooking reactions occur; the section in which the chip mass is at or near the maximum cooking temperature. Cord :量木材尺度单位 Usually a pile of pulpwood 8 feet long, 4 feet wide and 4 feet high, containing 128 cubic feet. Countercurrent cooking :对流蒸煮 Cooking technique for a kraft continuous digester wherein cooking liquor and heat are introduced at the point where pulp is removed; the liquor then moves countercurrently to the chip mass flow until it is extracted as 。

3.英语作文造纸术

I believe that everyone is all too familiar on paper, because the need to use every day. However, the one before us a clean slate, we all know, do and how is it made of? Today, when I was a little guide for everyone who introduced. According to legend, in BC 105 yuan, Cai Lun successfully invented papermaking, paper predecessors, he summed up the experience, through trial and error, with the bark, hemp, rags, old fishing nets and other materials through the down of ramming, copy, arch, etc. 72 craft, and finally made a practical fiber paper was called "Caihou paper." This kind of paper on the reform and promotion of papermaking have much to contribute. Later, the continuous development of papermaking, another left-Bo paper, rattan paper, through continuous improvement, and finally became the white we are now common. After the above introduction I papermaking, we all have a certain understanding on paper, right? During this presentation, I realized the wisdom of the ancients, papermaking is one of the crystallization of their labor; the same time, I would like to remind you, paper hard-won, and we have to cherish to use it.

汉译:我相信,大家对纸是再熟悉不过了,因为每天都需要用到。可是,摆在我们面前的一张张白纸,大家都知道它是怎样做成的吗?今天我就当个小解说员,给大家介绍介绍。

相传,在公元前105元,蔡伦成功地发明了造纸术,他总结了前人造纸的经验,经过反复试验,用树皮、麻绳、破布、旧鱼网等原料经过挫、捣、抄、拱等72道工艺,终于做出了实用的纤维纸,当时称做“蔡侯纸”。这种纸对改革和推广造纸术有很大贡献。

后来,造纸术不断发展,又有了左伯纸、藤纸,经过不断改良,终于成了我们现在常见的白纸。

经过以上我对造纸术的介绍,大家都对纸有一定的了解了吧?在这段介绍中,我体会到了古人的智慧,造纸术也是他们的劳动结晶之一;同时,我还要提醒大家,纸来之不易,我们大家要好好珍惜使用它。

造纸用英文怎么写

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