standard sand的例句大全

in order to obtain the sand sample of good uniformity and high repeatability, a set of automatic sanding equipment is developed. a series of tests are conducted to study the relative density on the influence of sand flow rate and drop height with fujian standard sand.

为获得均匀性好、可重复性高的砂样，本文在以往研究成果的基础上，自主开发研制了一套自动撒砂设备，并针对福建标准砂进行了多组装样对比试验。

Using mechanical dynamic triaxial test apparatus and electro-hydraulic dynamic triaxial test apparatus, liquefaction tests of a saturated standard sand were conducted in order to compare the effects of apparatus type, and sample size on dynamic strength.

用机械式及液压式振动三轴仪进行标准砂的液化试验，以比较仪器型式对动强度的影响；还比较了试样尺寸的影响。

The green sand ingredient and compactability fast testing unit, made up of an automatic sampling machine and a testing slave, is developed to prepare a standard sand specimen and test conductive parameters automatically.

研制了由自动制样机构和测试下位机构成的湿型砂组分及紧实率快速测试单元，可完成标准砂样的制作和紧实率、导电参数的自动测量。

An experimental study on compactness standard of aeolian sand filling in the abutment back

风积砂回填台背压实度标准试验研究

Produced sand was compiled 45.35 m high above the bottom after a fracturing acidizing job with standard haydite finished in 1988;

1988年用普通陶粒压裂酸化后，砂面高于人工井底45.35m；

the dry shrinkage rate of standard curing concrete sand mortar evidently exceeded the steam curing simples at the same age.

标养水泥砂浆的干缩率明显大于同龄期蒸养水泥砂浆试件。

drosera burmannii isn't very picky about soil. it grows well in the standard 1: 1 peat: sand "cp mix" .

宽叶毛对介质的要求并不严格，它在标准的泥炭土：矽砂=1：1混合介质中生长良好。

standard specification for calcium silicate brick (sand-lime brick)

硅酸钙面砖（灰砂砖）

a new kind of sand condensate was prepared using bakelite and inorganic clay as main ingredients with standard quartz sand as carrier.

以标准石英砂为载体，由酚醛树脂、无机粘土为主要成分制备出有机-无机复合防砂固砂剂。

standard test method for sand equivalent value of soils and fine aggregate

土壤及细集料的砂当量值的测试方法

standard practice for preparing tension test specimens for copper alloy sand, permanent mold, centrifugal, and continuous castings

砂型、永久型、离心型和连续铸造铸件用的铜基合金拉伸试验样件制备标准惯例

standard specification for magnesium alloys in ingot form for sand castings, permanent mold castings, and die castings

砂型铸件、永久型模铸件和压模铸件用镁合金锭

Production silicon carbide blocks, sand particle size, powder three series over 100 standard products.

年生产碳化硅块 、 粒度砂 、 微粉三大系列100多个规格产品.

Wear tests of 45 steel, as standard sample, and D8 、 D9 wear-resisting surfacing materials were carried out by sand slurry abrasion tester with vertical multi-clamps under concrete condition.

在多头立式磨损试验机上，以45钢（正火态）作为标准试样，选用D8、D9两种耐磨堆焊材料，在混凝土工况条件下进行了磨损试验。

The reagent dosage standard in the granule analysis test of sand Liquefaction

砂土液化中颗粒分析试验试剂用量标准的研究

Oil extraction wastewater treated by oil removal-chemical break-emulsification coagulation-sand filtration process, removal rate of COD oil could reach above 85% 95% respectively, COD in purified water could not attain to national standard of discharge, but oil concentration could attain to national standard of discharge;

经过隔油-破乳絮凝-砂滤处理后，COD和油去除率分别达到85%和95%以上，COD没有达到排放标准，油达到了排放标准；