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hydrometer     
相关语句
  比重计
     The Principle of the Hydrometer Test and the Study of Its Accuracy of Manufacture
     比重计试验原理及其制造精度的探讨
短句来源
     Design and Implementation of Calibration Board Based on the Mud Hydrometer.
     基于泥浆比重计的刻度板的设计与实现
短句来源
     A SIMPLIFIED HYDROMETER METHOD FOR SOIL TEXTURE DETERMINATION IN FIELD
     土壤质地田间测定直读式比重计
短句来源
     HYDROMETER METHOD OF MECHANICAL ANALYSIS OF SOILS
     土壤机械分析比重计法的研究
短句来源
     We suggest that the geotechnical laboratories using hydrometers and the manufacturing factories co-operate closely to produce a unified and qualified type of hydrometer for mechanical analysis, So as to eliminate the work of corrections for hydrometer scale in our country and to improve the experimental quality and efficiency of our work.
     建议由使用部门和玻璃仪器工厂密切配合,迅速统一生产出合格的土颗粒分析比重计,从而改变我国各使用单位进行土颗粒分析比重计刻度校正工作的状况,以提高试验质量和工作效率。
短句来源
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  液体比重计
     The paper give a minute description in driving and discussingdesign principle and implement project of telemetering hydrometer.
     本文较为详尽地推导论证了遥测式液体比重计的设计原理和实施方案。
短句来源
  密度计
     FITTING AND REVISING OF GRAIN ANALYSIS CURVE OF HYDROMETER
     密度计法颗粒分析曲线的拟合及其修正
短句来源
     The Discussion about the Rule of the Dosage of Soil in Hydrometer Test
     密度计法试验土用量规定的讨论
短句来源
     Three conventional methods for measurement of petroleum density are described in thepresent paper. They are pycnometer method,hydrometer method and digital densimeter method.
     本文介绍了三种测定石油密度的方法,传统的密度计法和密度瓶法及现代的数字密度计法。
短句来源
     A curve fitting and revising methods to solve hydrometer grain analysis is presented, and proved good satisfactory.
     提出了密度计法颗粒分析试验的一种曲线拟合及修正方法 ,经验证效果较好。
短句来源
     Basing on contrastive test ahout the dosage of soil in grain-size analysis by hydrometer and comparing
     通过对密度计法颗粒分析用土量的对比试验及各国有关标准的比较,可以认为国标的有关规定有待修改、完善。
短句来源
  “hydrometer”译为未确定词的双语例句
     Application of Argonaut SL to the Hydrometer of Flow Section in a Certain Tunnel
     Argonaut SL在某隧洞过水断面水文测验中的应用
短句来源
     This method had superiorities of simple operation and rapid determination. Its application in the determination of alcohol content had almost the same results as hydrometer method.
     该方法操作简便、快速,将其应用于白酒中乙醇含量的测定,所得结果与比重法相近。
短句来源
     Ultra-fine Particle Size Measurement of Coal Water Slurry by Hydrometer Method
     水煤浆中超微细颗粒粒度的测定
短句来源
     Design of Thermometer and Hydrometer Based on CAN Bus
     基于CAN总线的温湿度计的研制
短句来源
     The width of main channel would influence the water level rising rate greatly in flood events. When the discharges in main channel increased to 8000 m'/s from 3000 m3/s the water rising amplitude at hydrometer stations in the Lower Yellow River was correlative well with the exponent (-0. 65) of main channel width and theexponent (-0.33 ) of river longitudinal slope.
     洪水期主槽宽度对水位涨率有较大影响,主槽流量从3000m~3/s增大到8000m~3/s时,下游各水文站断面水位的抬升幅度与主槽宽度的(-0.65)次方和河道纵比降的(-0.33)次方具有较好的相关关系。
短句来源
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  hydrometer
Quite different relationships betweenZH andZDR are induced by the different hydrometer characteristics in these cells.
      
A method is considered for checking a hydrometer by means of hydrostatic weighing in a single nontoxic liquid.
      
A unified microwave hydrometer with a microprocessor
      
Production of a reference frequency-operated digital hydrometer
      
Specific gravity values obtained by the potato hydrometer method were converted into dry matter (DM) and into starch content by standard formulae and a conversion table was prepared and is presented for reference.
      
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A definite type of hydrometer with linear and fine stem and parabolic bulb is suggested.Before measurement,the hydrometer should be well calibrated. The contents of soil particles of different size can be directly determined at different time after sedimentation of particles. Grinding the soil sample for five minutes is available for mechanical dis- persion of soil particles.60 ml of 0.5 N NAPO_3 for 50 grams of soils is suggested for calcareous soils and 60ml of 0.5 N NaOH for 50 grams of soils...

A definite type of hydrometer with linear and fine stem and parabolic bulb is suggested.Before measurement,the hydrometer should be well calibrated. The contents of soil particles of different size can be directly determined at different time after sedimentation of particles. Grinding the soil sample for five minutes is available for mechanical dis- persion of soil particles.60 ml of 0.5 N NAPO_3 for 50 grams of soils is suggested for calcareous soils and 60ml of 0.5 N NaOH for 50 grams of soils is suggested for lateritic soils.

本文对于土壤机械分析在比重计的校正、比重计速测和土粒分散措施进行了一些试验,现将结果摘要如下:1.土壤机械分析中所用的比重计式样和规格应当划一,校正应求精确,这对具体工作方便很多。最好的比重计式样是流线型的浮泡,内盛水银,柄桿应细长,刻度应精确校正。最好固定模型制造比重计以便式样划一。2.固定一个比重计按实际工作结果,假定一个土粒沉降深度,根据司马克公式计算出不同温度下各级土粒沉降一定深度所需时间,以后可按不同温度在不同时间直接测出某种粒径的土粒合量,方便很多。 3.在未除去电解质的情况下,煮沸处理对于土粒分散并无特殊效果,研磨5分钟或搅拌15分钟与振荡8小是对土粒分散的效果很接近,为简化物理分散,研磨处理是可采用的。据初步试验结果,土壤分散剂的用量是在石灰性土壤中以每50克土壤用60毫升0.5N NaPO_3较为适宜,红壤中以50克土用60毫升0.5N NaOH 为较适宜。盐土中的溶性盐分可用玻杯倾倒法结合平板漏斗或巴氏滤管以洗去之,但盐土中的有些盐分可帮助分散剂4分散土粒,据实验结果各种盐类增加 NaPO_3的分散力并不一致,其次序是 Na_2SO_4>NaCl+Na_2SO_4(1:1)>NaCl,但土...

本文对于土壤机械分析在比重计的校正、比重计速测和土粒分散措施进行了一些试验,现将结果摘要如下:1.土壤机械分析中所用的比重计式样和规格应当划一,校正应求精确,这对具体工作方便很多。最好的比重计式样是流线型的浮泡,内盛水银,柄桿应细长,刻度应精确校正。最好固定模型制造比重计以便式样划一。2.固定一个比重计按实际工作结果,假定一个土粒沉降深度,根据司马克公式计算出不同温度下各级土粒沉降一定深度所需时间,以后可按不同温度在不同时间直接测出某种粒径的土粒合量,方便很多。 3.在未除去电解质的情况下,煮沸处理对于土粒分散并无特殊效果,研磨5分钟或搅拌15分钟与振荡8小是对土粒分散的效果很接近,为简化物理分散,研磨处理是可采用的。据初步试验结果,土壤分散剂的用量是在石灰性土壤中以每50克土壤用60毫升0.5N NaPO_3较为适宜,红壤中以50克土用60毫升0.5N NaOH 为较适宜。盐土中的溶性盐分可用玻杯倾倒法结合平板漏斗或巴氏滤管以洗去之,但盐土中的有些盐分可帮助分散剂4分散土粒,据实验结果各种盐类增加 NaPO_3的分散力并不一致,其次序是 Na_2SO_4>NaCl+Na_2SO_4(1:1)>NaCl,但土壤中盐分组成复杂是否可不进行洗盐而直接加分散剂以后应实际试验。

This paper briefly describes the rule of the settlement of soil grains in water, the experimental principle of mechanical analysis with a hydrometer and the manufacturing and designing method of hydrometer A and B. The requirement in accuracy for mechanical analysis with the hydrometer is presented also. We suggest that the geotechnical laboratories using hydrometers and the manufacturing factories co-operate closely to produce a unified and qualified type of hydrometer for mechanical...

This paper briefly describes the rule of the settlement of soil grains in water, the experimental principle of mechanical analysis with a hydrometer and the manufacturing and designing method of hydrometer A and B. The requirement in accuracy for mechanical analysis with the hydrometer is presented also. We suggest that the geotechnical laboratories using hydrometers and the manufacturing factories co-operate closely to produce a unified and qualified type of hydrometer for mechanical analysis, So as to eliminate the work of corrections for hydrometer scale in our country and to improve the experimental quality and efficiency of our work.

本文简述了细颗粒土在水中沉降规律,用比重计法分析土颗粒的试验原理,甲种和乙种比重计的设计制造方法。根据国内外资料提出了使用比重计法分析土颗粒的精度要求。建议由使用部门和玻璃仪器工厂密切配合,迅速统一生产出合格的土颗粒分析比重计,从而改变我国各使用单位进行土颗粒分析比重计刻度校正工作的状况,以提高试验质量和工作效率。

The paper presents a novel (three-phase) formula for calculating the specific gravity of field Hevea latex. Calculation with this formula has resulted in a table of the relationship between d.r.c. and specific gravity of field latex. The table has been satisfactorily applied to latex production and rubber processing. According to the data from 1200 samples tested by hydrometer and coagulating with acetic acid, the accuracy of d.r.c. of 92% of the samples are in the range of ±0.5~1.0%. Furthermore, the...

The paper presents a novel (three-phase) formula for calculating the specific gravity of field Hevea latex. Calculation with this formula has resulted in a table of the relationship between d.r.c. and specific gravity of field latex. The table has been satisfactorily applied to latex production and rubber processing. According to the data from 1200 samples tested by hydrometer and coagulating with acetic acid, the accuracy of d.r.c. of 92% of the samples are in the range of ±0.5~1.0%. Furthermore, the specific gravity of nonrubber constituents in the field latex of 4 clones (Haiken 1, RRIM600, PB86, PR107) and seedling trees were also determined. The values are quite similar.

本文提出了一个新的新鲜胶乳比重公式,并由此公式推算出新鲜胶乳的比重——干胶含量关系表。割胶生产和制胶工厂应用此表,均获得了较为满意的效果。在1280个样品中,用比重计测量的干胶含量与醋酸凝固法相比较,92%的样品的精密度在±0.5~1.0%的范围内。此外,还测定了海垦1、RRIM600、PR107等5个橡胶品系的新鲜胶乳中非胶成份的比重,数值非常接近。

 
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