studied的例句大全

Occult hepatitis B virus infected donors exist in our country. And some features of them have been studied in our experiment.

我国献血者中有一定比例的隐性乙型肝炎感染者存在，并初步掌握了其血清学及分子生物学特点。

Accordingly, a FIR filter based on frequency response masking technique is introduced into the design of digital down-converters, its efficient implementation architecture is given and the complexity of the algorithm are studied thoroughly.

该文将基于频率响应屏蔽（FRM）方法的FIR滤波器引入到数字下变频器设计中，并详细地研究了此类数字下变频器的高效实现结构和算法复杂度。

The paper studied 7 case Masked civet of dystocia in farm condition.

本文对7例在养殖条件下难产的花面狸进行了研究。

The influence of oleoyl polyamine prepared by oleic acid and triethylene-tetramine on the properties of cured product of epoxy resin and methyhetrahydrophthalic anhydride ( MTHPA) was studied.

研究了油酸和三乙烯四胺的生成物油酰多胺对环氧树脂和甲基四氢苯酐固化物性能的影响。

The structures of oligosaccharides from crotalaria mucronata lectin ( CML) with human A blood group specificity were studied to elucidate the molecular recognition mechanism of lectin.

为了探讨凝集素的分子识别机制，对A型血专一性凝集素&野花生豆凝集素的寡糖链结构进行了研究。

The copper crucible for 25 kg vacuum skull furnace is systematically studied. The various factors effecting on the copper crucible failure are analyzed and discussed. The effective methods of elongating the service life of the copper crucible is indicated.

对25kg真空凝壳炉用紫铜坩埚进行了系统研究，分析和讨论了影响紫铜坩埚损坏的各种因素，提出了延长紫铜坩埚寿命和提高坩埚利用率的有效方法。

Structural behaviors of the connections between concrete filled square tubular column and steel beam have been studied by the tensile tests of cruciform joint models with inner diaphragm.

本文通过对带内隔板的十字形连接节点的拉伸试验，研究了方钢管混凝土柱与钢梁连接的结构性能。

The effects of different granularity proportion and volume fraction of WC grains as wear resistant phase on microstructure and abrasiveness of composite alloy were studied by experiment. The research results were then applied to wear resisting supporting roller and disc pad used in middle speed coal crusher.

试验研究了耐磨相WC颗粒的不同粒度配比和体积分数对复合合金组织及耐磨性的影响，并将研究结果应用于中速磨煤机耐磨辊胎和盘瓦。

In this paper, the effects of steel fiber on the strength enhancement of concrete are studied based on the experiment of cube crushing strength with 30 test blocks in different volume ratio.

本文通过对不同钢纤维体积率的30个立方体试块进行抗压强度试验，分析了钢纤维对普通混凝土的增强作用。

The influence of α-Al2O3 micropowder additions on permanent linear change, apparent porosity, cold crushing strength and slag resistance of MgO-Al2O3 based castable is studied in this paper. By EDAX analysis, the mechanism of slag corrosion is investigated.

研究α-Al2O3微粉加入量对钢包渣线用镁铝质浇注料线变化率、显气孔率、耐压强度和抗渣性能的影响，借助EDAX分析，探讨了浇注料的渣蚀机理。

Crystalline behavior of segmented polyester polyurethaneurea ( PUU) elastomers at different annealing conditions was studied by wide-angle X-ray diffraction ( WAXD), and crystalline morphologies of the fracture surface of these materials were investigated by scanning electron microscopy ( SEM).

用宽角X-ray衍射（WAXD）研究了嵌段聚酯脲氨酯（PUU）弹性体在不同退火条件下的结晶行为，用扫描电子显微镜（SEM）研究了这些材料断面上的结晶形态。

In order to improve the magnetic properties of Nd-Fe-B/ α-Fe nanocrystalline permanent magnets, the effect of heat treatment on magnetic properties of Nd_8Fe_ 77B_6Co_8Nb_1 nanocomposite magnetic material prepared by rapid quenching and crystallization heat treatment was studied.

为改善纳米复合永磁合金的磁性能，用熔体快淬和晶化热处理的方法制备了纳米复相Nd2Fe14B/α-Fe永磁体，研究了热处理工艺对Nd8Fe77B6Co8Nb1纳米晶复合磁体磁性能的影响。

The myocardial protection by continuous perfusion of warm oxygenated blood cardioplegic solution and by intermittent perfusion of cold crystalloid cardioplegic solution in isolated working rabbit hearts were studied in this experiment.

实验采用离体工作状态兔心模型，比较研究温氧合血心停搏液连续灌注与低温冷晶体心停搏液间断灌注对心肌的保护作用。

Studied the current rendering methods of large-scale vegetation, including visibility culling technology, level of detail technique ( LOD), as well as image-based rendering ( IBR) and so on. 5.

研究了当前图形学界在应对大规模植被渲染时所采用的各种主流方法，包括消隐技术，层次细节化技术（LOD）以及基于图像的绘制技术（IBR）等。

Three culm traits, basal culm thickness ( BCT), culm length ( CL) and culm strength ( CS), of DH lines and their parents under upland and lowland ecosystems at milk stage were studied.

在水田、旱田栽培条件下，考查了乳熟期DH系及其亲本的茎基粗、茎秆长及茎秆强度等性状。

According to the theories of hydraulics culvert outlet flow characteristics of draining hole were studied.

依据水力学基本理论对涵洞泄水孔出流特性进行研究，得出以下结论：自由出流条件下，出口水流为临界流；

They generally chose Notice Day and the day before or the day after a notice period and empirically studied industrial stocks Notice the cumulative surplus yield, or the general effect of notice about the-3%.

他们一般选取公告日及前一天或后一天作为公告期，实证研究得出工业类股票公告期的累计超额收益率，即公告效应一般在-3%左右。

The effects of different species of ceric(ⅳ) ions and cupric sulphate on the rate of grafting are also studied.

此外，还研究了不同种类稀土离子Ce~（4+）和硫酸铜浓度对该反应速率的影响。

The preparation of cuprous chloride from etching waste liquor of cupric chloride and crude copper powder was studied. The result showed that this method had many advantages, including simple process, easy operation and good quality of product, therefore it had remarkable economic and environmental benefits.

以氯化铜蚀刻液废液、粗铜粉等为原料，在常温下反应制备氯化亚铜，工艺简单，操作简便，产品质量好，具有显著的经济效益和环境效益。

In the system Cu ( I)-NaCl-HCl-H_2O, the cathodic process of cuprous chloride complex ion is studied by means of linear potential sweep method.

在Cu（I）-NaCl-HCl-H2O系中，用线性电位扫描法研究了亚铜氯化物络离子的阴极过程。