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材料     
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  material
    Study and Application of Prediction Control Theory for Construction of Steel-concrete Composite Material Structures
    钢混异种材料组合结构施工预测控制理论的研究与应用
短句来源
    Design on Limit Equilibrium of Foundation Reinforced with Geosynthetics and Research of Material in Reinforcements
    土工合成材料加筋地基的极限平衡设计与加筋材料的研究
短句来源
    A Study on Practical Applications of Composite Ground Theory of Granular Material Pile in Power Engineering
    散体材料桩复合地基理论在电力工程中的应用研究
短句来源
    A Study of Optimization of the Ecological Building Material System of Traditional Rammed Earth Dwellings
    传统夯土民居生态建筑材料体系的优化研究
短句来源
    Experimental Research on Material Characteristic and Life Pre-Estamate and Repairing of Reinforceing Concrete Structure after Fire
    火灾后钢筋混凝土结构的材料特性、寿命预估和加固研究
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  materials
    A Visco-Elastoplastic Damage Constitutive Model of Rock and Rock-Like Materials and Applications
    岩石类材料粘弹塑性损伤本构模型及其应用
短句来源
    Study on Deterioration Mechanism of Concrete and Development of Mending Materials in the Metallurgy Environment
    冶金腐蚀环境下混凝土的劣化机理和修补材料开发研究
短句来源
    A Study of the Proportion of Mixture of Similar Materials
    相似材料配比研究
短句来源
    The Influence of 《P--Delta》Effect on Nonlinear Dynamic Earthquake Responses——An Analysis of Stiffness of Bar Members in Consideration to the Nonlinearity and the Geornetrical Nonlinearity of Materials under Conditions of a Large Deflection
    《P—Delta》效应在非线性地震动态反应中的影响 大变形条件下考虑材料非线性和几何非线性的杆件单元刚度分析
短句来源
    A YIELD THEORY FOR MOHR-COULOMB MATERIALS
    摩尔-库伦材料的屈服理论
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  stuff
    new stuff and newtechnology enrich the design approach greatly.
    新材料、新技术的广泛应用,也使得设计手段日趋丰富。
短句来源
    Lightweight aggregate concrete, weighting from 850kg/m3 to 1950kg/m3, is one of the extensively used concretes in the world. It is made of sand, cement and lightweight aggregate, etc. Some of the lightweight aggregates include pumice, stuff, expanded clays(haydite), etc.
    轻骨料混凝土是一种用量较大的新型混凝土,其密度在850kg/m~3至1950kg/m~3之间,由粘土陶粒,粉煤灰陶粒等粗骨料以及常用的砂,水泥,水等材料制作而成。
短句来源
    Some problems, such as unreasonable ratio of granules-class, difficulty of solidification reaction, strong shrinkage of stuff, bad attachment of gooey and gangue, led to low speed of solidification, weak initial intensity, and crackles, would frequently take place in the process of producing building materials by using the gangue.
    尾矿在制作砖等建筑材料时,常会出现粒级配比不合理,固化反应困难,胶浆与尾矿握裹力差,材料收缩性强等问题,导致制品固化速度慢,初始强度低,且在硬化过程中易出现微裂纹等。
短句来源
    As a mature large span space structure type, the space truss has the advantages of nicer structural capability and the saving of the stuff which are widely accepted by civil engineers.
    网架结构作为成熟的大跨度空间结构型式,其受力性能良好,节省材料等优点已为工程界所公认。
短句来源
    The typical brace styles are X braces, "a" braces and continuous braces, and concrete brace and steel set according to stuff.
    常用的支撑型式有X支撑、“人”字支撑及连续支撑,按材料不同分为混凝土支撑和钢支撑。
短句来源
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  “材料”译为未确定词的双语例句
    Study on the Consolidation Theory of Composite Ground with Granular Columns
    散体材料桩复合地基固结理论研究
短句来源
    Effect of Nano-Materials on Durability of Concrete
    纳米材料对混凝土耐久性的影响
短句来源
    The Strength of a Steel Column Segment When Fully Plastified under Thrust and Biaxial Bending
    钢压杆双向受弯时由其材料强度所决定的承载力
短句来源
    THE USE OF PC-1500 COMPUTER IN TEST OF CHEMICAL GROUT AND GROUTING CONSOLIDATION
    PC-1500计算机在化学注浆材料试验及注浆加固中的应用
短句来源
    METHODS FOR MEASURING MECHANICAL PARAMETERS OF POLYURETHANE FOAM
    聚氨酯材料力学参数测定方法
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  material
The material presented here is a synopsis of the Ph.D thesis of the author, cf.
      
Compound 4, 5, 6, 7, and 8 were synthesized from 4-benzoyl-1,5-diphenyl-1H-pyrazole-3-carboxylic acid 1 as a starting material.
      
Inverse computation of optical-absorption coefficient in inhomogeneous material with varied thermal conductivity
      
It showed that the bromide in the rosin glycerin ester decomposed faster than the ester; hence it may be used as fire-resistant material.
      
The biomimetic three-dimensional porous composite can serve as a kind of excellent scaffold material for bone tissue engineering because of its microstructure and properties.
      
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  materials
At that time, the polymer and plastic industry was in its nascent stage but the industry quickly grew, providing the materials for a large portion of manufactured goods.
      
Structural and physicochemical descriptors derived by RP-HPLC are discussed in relation to retention factors with special accent on properties of reversed-phase materials.
      
We used different substituted isatins as starting materials.
      
In this paper, a method has been established and validated for screening and identification of individual as well as total BFA by high-performance liquid chromatography and liquid chromatography/electrospray mass spectrometry in fungal raw materials.
      
Column packing materials are always a key factor influencing the development of high-performance liquid chromatography (HPLC).
      
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  stuff
There is a stuff in the world, alongside other physical elements, that manifests mental functions.
      
Humans, and possibly other beings, show mental functions in so far as they have a portion of that stuff.
      
Moreover, Sextus Empiricus, supported by some other sources, provides us with an answer how portions of soul stuff are individuated into individual souls.
      
3 % of all incidents were detected by acute pain service stuff.
      
9 % of the incidents, most being associated with technical failure due to unskillfulness, poor communications between APS stuff and patients and lack of cooperation with surgeons and nurses.
      
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The purpose of this paper is to discuss Prof. method of analyzing two-way reinforced concrete slab. This method is based upon the equilibrium of forces under ultimate loading, and consequently the effect of plasticity of the material is included in consideration. If we use this method to design two way reinforced concrete slab, We should not only have much saving of steel, but also a saving of labour in computation. No matter that the slab is continuous over how many spans of unequal lengths, it can be easily...

The purpose of this paper is to discuss Prof. method of analyzing two-way reinforced concrete slab. This method is based upon the equilibrium of forces under ultimate loading, and consequently the effect of plasticity of the material is included in consideration. If we use this method to design two way reinforced concrete slab, We should not only have much saving of steel, but also a saving of labour in computation. No matter that the slab is continuous over how many spans of unequal lengths, it can be easily analyzed, one by one, as a single span slab.

本文的目的是介紹蘇聯格娃斯捷夫教授的計算双向板的公式。這個公式是考慮板在極限平衡狀態,考慮了材料的塑性。用此方法計算雙向板,不但鋼筋經济而計算簡便。無論是多跨的板或不等跨的板,都可以视為單跨板來考虑,本文討論了格娃斯捷夫公式的基本理論,並将此理論应用到不規则形狀板的计算方面。

Plasticizing agent is an organic surface-active admixture for cement mortar and concrete. It may be introduced also as an "addition" to the clinker during the grinding process in the manufacture of plasticizing Portland cement. In the USSR, the plasticizing agent under the name of "has been extensively and successfully used in construction works.The plasticizing agent is prepared by chemical treatment of the waste from the alcoholic fermentation of sulfite liquor in pulp manufacture. It contains calcium lignin...

Plasticizing agent is an organic surface-active admixture for cement mortar and concrete. It may be introduced also as an "addition" to the clinker during the grinding process in the manufacture of plasticizing Portland cement. In the USSR, the plasticizing agent under the name of "has been extensively and successfully used in construction works.The plasticizing agent is prepared by chemical treatment of the waste from the alcoholic fermentation of sulfite liquor in pulp manufacture. It contains calcium lignin sulphonate as an effective component and thus possesses hydrophilic property. Due to the adsorption of the agent, a colloidal layer is formed on the surface of the cement particle; hence the effective dispersion and the increase of lubricity between the particles.Following the Soviet experience of CCB, the Materials-Testing and Research Laboratory of Shanghai Civil Engineering Bureau successfully experimented with the preparation of thermal polymer of the plasticizing agent, and a series of tests on the characteristics of the agent were made. This paper attempts to describe the method of preparation and the main properties of the agent.The addition of the agent in an amount of 0.1—0.2% of cement (dry weight) markedly improves the workability and the texture of the mortar and concrete mixtures. It reduces the water requirement and the cement content. It improves the impermeability and durability of the hardened mortar and concrete.The agent has a retarding effect on the setting of cement. It lowers the early strength of mortar and concrete, while the strength of later age is higher than those without admixtures. The use of CaCl_2 accelerator in 0.5—1% of cement by weight speeds up the rate of development of the early strength.The proper dosage of the agent depends upon the properties of cement. Therefore, certain tests should be made with the specified cement and aggregates on the job before the adoption of the agent.

本文介紹亞硫酸鹽酒精液滓塑化劑實驗室中的試製以及對於水泥膠砂及混凝土技術性能方面的作用。首先說明一些塑化劑的理論及亞硫酸鹽酒精液滓的技術規格,再簡要的介紹上海市政工程局材料試驗研究所試驗研究的經過和結果;最后综合蘇聯對於塑化劑和塑化水泥使用的先進經驗。塑化剂是一種有機的表面活動性物質,利用造紙工業发液進行酒精發酵所得的液滓。加入微量的塑化劑——約為水泥重量的0.1—0.25%,可以顯著的改善膠砂和混凝土的性質。在增加流動性、改善和易性和提高耐久性方面,有十分的效用,尤其是對節約水泥用量有极大的意義。祖國的建设事業正迫切需要這類新型的建築材料,因此提供一些试驗研究結果,以供国家主管機關和科技工作同志們深入研究和推廣使用時的參考。

In this paper, the author proposes a simplified method for designing concrete mix. In this method cement paste is considered as one ingredient instead of two separate ingredients——cement and water. The function of cement paste in fresh concrete is that a large portion of the paste fills the void space in the mixed fine and coarse aggregates, and only a small portion coats the surface of the aggregate particles. Therefore the required amount of cement paste is predominantly determined by the void space of the...

In this paper, the author proposes a simplified method for designing concrete mix. In this method cement paste is considered as one ingredient instead of two separate ingredients——cement and water. The function of cement paste in fresh concrete is that a large portion of the paste fills the void space in the mixed fine and coarse aggregates, and only a small portion coats the surface of the aggregate particles. Therefore the required amount of cement paste is predominantly determined by the void space of the mixed aggregates. The important problem is how to determine the relative amounts of fine and coarse aggregates and cement paste per unit volume of concrete so as to achieve the required strength, durability, workability and economy.

設計混擬土配合比的方法很多,有繁有簡,繁的需要很多試驗与計算,簡的編成配合此表,祇需按表試配。新的方法还在不断創造,趨向于簡化試驗与計算手續,但又要能切合实际,容易得到符合要求的配合比。早在1948~1949年,作者根据混凝土組成原理,——絕大部分水泥漿是用來填充砂石间空隙,很小部分用來包裹砂石粒面及超潤滑作用——先求得最小砂石混合空隙率,加一常数,就可定出最經济水泥漿量,經过試配,確定最終配合比。1951~1952年,幾处工地試用,当時祇能做出水灰此为0.7坍落度3—7厘米的混凝土。1953~1954年,通过学習苏联混凝土技術,將本法發展到適用於各种要求的混凝土,即灰水比坍落度可任意改变,形成目前較完善的形式,合於工地及試驗室採用。本法在选定灰水比及坍落度後,祇需2—3步即可求出配合此,並算出材料用量;本法計算簡便,祇用兩个簡單的表(表1和表3);本法在進行中有自己校核的作用,計算秤量中如有錯誤容易查出。本法祇需極簡單的設备,易於学習,在大同及大伙房水庫工地祇經一小時的講解,試驗員即会应用。本法通过試配,应用的理論和數据都有正確根据,所以結果能切合实际。希望大家試用研究,提出改進意見,使本法日趨...

設計混擬土配合比的方法很多,有繁有簡,繁的需要很多試驗与計算,簡的編成配合此表,祇需按表試配。新的方法还在不断創造,趨向于簡化試驗与計算手續,但又要能切合实际,容易得到符合要求的配合比。早在1948~1949年,作者根据混凝土組成原理,——絕大部分水泥漿是用來填充砂石间空隙,很小部分用來包裹砂石粒面及超潤滑作用——先求得最小砂石混合空隙率,加一常数,就可定出最經济水泥漿量,經过試配,確定最終配合比。1951~1952年,幾处工地試用,当時祇能做出水灰此为0.7坍落度3—7厘米的混凝土。1953~1954年,通过学習苏联混凝土技術,將本法發展到適用於各种要求的混凝土,即灰水比坍落度可任意改变,形成目前較完善的形式,合於工地及試驗室採用。本法在选定灰水比及坍落度後,祇需2—3步即可求出配合此,並算出材料用量;本法計算簡便,祇用兩个簡單的表(表1和表3);本法在進行中有自己校核的作用,計算秤量中如有錯誤容易查出。本法祇需極簡單的設备,易於学習,在大同及大伙房水庫工地祇經一小時的講解,試驗員即会应用。本法通过試配,应用的理論和數据都有正確根据,所以結果能切合实际。希望大家試用研究,提出改進意見,使本法日趨完善,並能逐漸推廣,在混凝土工程中發揮墳產節約与保證質量的作用。

 
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