please describe your concept for prefabrication of structural steel and piping.

prefabrication, each cement factory guanjie he slipped end-over-end numbers to assembling, lest make a mistake.

预制时，对每道水泥涵管机械厂管节进行编号，以免装配时搞错。

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this paper presents the prefabrication techniques and quality control measures for accoropode in north low temperature area.

本文主要介绍了在北方地区低温条件下扭王字块预制工艺及质量控制措施。

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prefabrication of dental crowns for primary dentition and permanent young molars.

制造主要齿列和臼齿牙冠。

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how the zed approach takes advantage of prefabrication and off-site manufacturing (section4. 3).

ZED方法如何充分利用组合房屋配件制造和非现场制造（4.3节）。

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is mainly engaged, the heavy steel products and the special steel products' prefabrication, welds and the installation work.

主要从事中，重型钢材和特种钢材的预制，焊接和安装工程。

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the utility model relates to a prefabrication of solid super-high pressure bursting sheet.

本实用新型属于整体式超高压爆破片的预制件。

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the basic transformation of piping prefabrication from factory-fixed to field mobile can be realized by developing and using the equipment.

通过研制并使用该装置，可实现管道预制由工厂固定式向现场移动式的根本转变。

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the method of prefabrication, assembling, installation and examination on site for large scale catalytic fractional column was introduced.

介绍了炼油厂大型催化分馏塔在施工现场组对、安装及检验的方法，对施工工序要点及各项要求进行了详细论述。

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prefabrication requires the cooperation of architects, suppliers, and builders regarding the size of basic modular units.

预制要求建筑师、厂商和施工人员之间按照模型的单位合作来完成。

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be responsible for the inspection of piping cutting, prefabrication, trays production, valve installation and section installation.

负责船舶管系下料、预制、托架制作、阀门安装、分段安装的检验、报验。

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the stroppiana brothers' intuition that prefabrication would produce better tracks was the starting-point.

斯多皮亚纳兄弟直觉告诉他们，人工合成材料能制造出高质量的跑道，这是一个触点。

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resonance light scattering ( rls) probe technique was applied in the quantitative determination of proteins in the binding media of different dyes in dunhuang wall painting via the interaction between ( bromophenol) blue ( bpb) and the proteins.

用酸性三苯甲烷染料溴酚蓝（BPB）作为共振光散射探针，对敦煌壁画含不同颜料的胶结材料中的蛋白质含量进行了定量测定。

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extractive spectrophotometric determination of metals with isochromatic dye ion-pairs ⅰ. bromophenol blue-methylene blue system

等色染料离子对萃取光度法研究&Ⅰ.溴酚蓝·亚甲蓝体系

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the title compound was prepared in the solvent octadecanol with bromophenol blue ( bpb) and alkali earth metal ions as raw materials. the reaction time was 2 h, the reaction temperature was 115 ℃, and yield of the product was about 87%.

以溴酚蓝（BPB）、碱土金属离子为原料，十八醇为溶剂制备了标题复配物，反应时间为2h，反应温度为115℃，产率约为87%。

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a new catalytic method is for determination of trace nitrite. it is based on the catalytic action of nitrite on a new indicative reaction the oxidation deceleration of bromophenol blue by potassium bromate in dilute phosphoric acid.

以磷酸介质中亚硝酸根催化溴酸钾氧化溴酚蓝为指示反应，通过条件选择，建立了催化光度法测定痕量亚硝酸根的新方法。

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this paper presented the theory, operational procedure and testing results of bromophenol blue test by which the organic cation and polymer containing organic cation groups can be measured qualitatively and quantitatively.

介绍了用溴酚蓝法定性、定量测定有机阳离子及带有阳离子基团聚合物的原理、操作程序及结果。

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the extractive spectrophotometric determination of silver, mercury and copper with isochromatic dye ion-pairs formed by bromophenol blue and methylene blue is described.

研究了溴酚蓝（BPB）·亚甲蓝（MB）等色染料离子对萃取光度测定银、汞和铜的方法。

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determination of the dissociation constant of bromophenol blue in pure water and mixed solvents& ii the system of bromophenol blue+ etoh+ h_2o

用分光光度法测定弱电解质的解离常数&Ⅱ溴酚蓝+氯化钠+乙醇+水体系

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content of the products were quantitatively determined by two-phase chemical titration using bromophenol blue as the indicator and dichloroethane as the phase splitting agent.

以溴酚蓝为指示剂、二氯乙烷为分散相两相化学滴定法测定产物的含量。

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bromophenol blue is indicator.

溴酚蓝为指示剂。

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