1. Based on freeze thaw cycle indirect tensile test, a further study of moisture susceptibility for some familiar graded HMA mixtures is carried out through modification of immersion conditions, and a new method of...
本文以劈裂试验为基础，通过对浸水条件的改进，进一步深入地研究了几种常见沥青混合料的水稳定性，提出了以真空循环饱水条件下的沸煮劈裂试验的残留稳定度来评价沥青混合料的水稳定性。
2. Methods: from prepation of crude drug as start, study the technology of extract and defat with L9 (3~4) orthogonal test. With EtOH extraction and water sed, alkali washing, EtOAC extraction as main methods of eliminate dopant. Finally with alky AlzO3 chromatographic column, rich and gain anticancer active site. The maximum response was achieved at a 40 min extracting time with 10 times volume 90% EtOH added to the sample for the first time and 30 min for the second time. Adding 10 times water will produce precipitation; Place the precipitation into 6 times petroleum benzin to de-fat at 60℃.
云南红豆杉中抗癌活性物制备工艺研究方法：利用正交设计试验L9(3~4)确定原料药提取工艺为：10倍量90％乙醇提取两次，第一次40分钟，第二次30分钟；醇提液用10倍量水沉；沉淀加6倍量石油醚40℃脱脂；用1mol／L的NaOH溶液碱洗，除去酸性杂质；以碱性氧化铝柱，以环己烷／丙酮为洗脱溶剂，在环己烷-丙酮(6：4)段富集到所需活性部位，洗脱剂用量为3VB。
3. 4 A test need not be performed to determine whether a part complies with the requirement in 28.3 if study and analysis indicate that the strength of the part is adequate for the purpose as a result of its material and dimensions – for example, copper or steel pipe of standard size and provided with standard fittings might be considered to have adequate strength.
28.4若研究和分析表明零件的强度在其材料和尺寸方面可以达到强度的要求，则不必按28.3的要求来在进行测试。例如，标准大小的铜管和钢管且带标准的装置可以认为其有适合的强度。
4. Based on a thorough investigation of the engineering geological condition for the reservoir region of the Huizhou Pumped Storage Power Station, the in-situ trial pit water injection test, boring water injection test, and water pressure test were performed to study the permeability of rock and soil mass.
摘要在对惠州抽水蓄能电站库区工程地质条件进行详细调查的基础上，采用现场试坑注水和钻孔注水、压水试验等方法了解岩土体的透水性。
5. In order to study the mechanical behavior of special joint at connection between stiff suspension cable and upper chord of truss beam for stiff suspension reinforced steel truss bridge, a 1:2 scale-down model test and three-dimensional finite element analysis of Dongjiang Bridge''s special joint S25 were investigated in order to find the stresses distribution rule and mechanical property of the special joint.
为研究刚性悬索加劲钢桁梁桥刚性悬索与桁梁上弦杆的连接处特殊节点的力学行为，结合东莞市东江大桥，采用1：2的几何缩尺比例，对其特殊节点S25进行了模型试验研究，并进行了详细的空间有限元分析。
6. Roche, the Swiss pharmaceutical group, is funding a study to test the efficacy of its flu drug Tamiflu in combination with rival GlaxoSmithKline''s Relenza, in one of several initiatives to extend further the market for its blockbuster antiviral treatment.
瑞士制药集团罗氏正为一项研究提供资金，以测试其抗流感药物达菲与竞争对手葛兰素史克的乐感清结合使用的疗效。这是罗氏为其畅销抗病毒药物扩展市场的又一项举措。
7. A case study is conducted which covers 1CAN teacher training program in United States at the last chapter, and the author describes the procedure of this program, which is analyzed by pre and post test for the improvement of teachers''scientific understandings and its relationship with teacher knowledge and classroom teaching.
第六章以美国ICAN探究教学培训项目为例，详细阐释了该项目的设计和组织，并对教师案例进行了前后测的效果分析，考察了该项目对教师科学探究和科学本质的认识以及教学实践的影响，并进一步分析了教师的认识与实践的关系。
8. The virus presents the typical Pseudorabies virus form under the electronic microscope, and can be neutralized with standard positive porcine sera using serum neutralization test. TCID50 of the virus was 10-10.87/0.1mL. Rabbits and pigs challenged with the cell virus showed typical syndrome of PR. PCR technique was applied for the detection of PRV in cell virus and amplified a fragment with desired size of 217bp. According with virus characteristic from infected pigs, the virus was identified as PRV and named XIN-W strain. On the pathogenic and molecular level, the study gives a preliminary proof that wild virulent strain of PRV was existed in Xinjiang region.
结果发现：分离的病毒接种实验兔后发生奇痒并麻痹致死；BHK-21 细胞培养盲传4 代出现典型细胞病变，用BHK-21 细胞测定其毒价TCID50 为10-10.87/0.1mL；电镜观察可见呈现典型PRV 病毒形态学特征；感染试验兔出现典型的奇痒症状；仔猪出现典型的症状和病理变化；分离的病毒能中和PRV 标准阳性血清；PCR体外扩增可见其与鄂A 株在同一水平位置上有相同的电泳带；根据此分离病毒株的上述特性，鉴定其为猪伪狂犬病病毒，并命名为XIN-W株。
9. The study on the compression test of β forged Ti-24Al-14Nb-3V-0.5Mo alloy shows that the strain rate sensitivity, m, of the alloy is larger than 0.3 and the true strain reaches 2.0 without cracking at 980℃ and 2×10〓s〓, indicating that β forged Ti〓A1-based alloy has a good superplasticity during compression process. This result provides a basis for superplastic forging and superplastic extrusion.
本文在简化Ti-A1系金属间化合物的超塑预处理工艺、拓宽超塑变形条件、研究合金超塑变形过程中的组织演变和探索超塑变形机制等方面取得了下列研究成果：对β锻造态的Ti-24Al-14Nb-3V-0.5Mo合金进行压缩试验的结果表明：在980℃、2×10〓s〓的条件下，合金的应变速率敏感性指数m值大于0.3，真应变大于2.0时试样表面未出现裂纹，说明仅经开坯锻造的Ti〓A1基合金在压缩时具有很高的超塑变形能力，超塑预处理工艺可大大简化，此结果为体积超塑成形如超塑锻造和超塑挤压提供了理论依据。
10. Methods:A retrospective study on 97 infertile patients, laparoscopic ovarian cyst resection of 38 cases of patients with infertility as a test group, of which 27 cases in patients with unilateral ovarian surgery done for the group A, 11casee in patients with bilateral ovarian surgery done for the Group B; control group was 59 cases of tubal obstruction in patients with infertility as the control group.
选择38例因腹腔镜下做过卵巢囊肿剥除术且输卵管阻塞而施行体外受精-胚胎移植的不孕患者作为实验组，同时将27例单侧卵巢囊肿剥除术患者作为A组，11例患者双侧卵巢囊肿剥除术作为B组；选择同期59例因单纯输卵管阻塞而施行IVF-ET的不孕患者作为对照组，并对两组IVF-ET的临床结局进行回顾性分析。
11. danci.edu.pub
11. In the part of study on crystal growth, a suit of equipment for single crystal growth in liquor with low temperature is designed and manufactured, and CsGeBr3 is synthesized by an improved method and characterized by powder X-ray diffraction, and infrared spectrum test of TG DTA are also put up. A proper liquor system for single crystal growth is selected by the study of microscopic crystals, which lay the groundwork for the study of solubility curve and single crystal growth.
在晶体生长的基础研究部分中，设计并制作了一套适用于低温溶液降温法的单晶生长设备；用改进方法合成了CsGeX_3三种物质的微晶粉末；进行了X射线衍射物相鉴定、红外光谱、热分析等测试，进行显微结晶的研究以选择适合单晶生长的合适的溶液体系，在此基础上绘制了CsGeBr_3的溶解度曲线，并尝试用低温溶液降温法来进行CsGeBr_3的单晶生长。
12. The flow parameters, which controlled the heat transfer phenomena in the coolant channel of the piston, are identified; the experimental facilities and program will be established in accordance with the parametric conditions experienced by a real marine diesel engine. The experimental result for the flow within smooth-walled duct under the reciprocating motion will be used as the reference datum to assess the results for the study of heat transfer augmentation. As an attempt to enhance the cooling performance, the ribs will be installed in the coolant channels which flow was orthogonal mode for the piston moving direction. Finally, the results obtained for the tests with heat transfer augmentation devices will be compared with the smooth-walled test results.
本研究计画利用座标转换理论，对受到与往复运动正交方向之流场进行参数分析，建立控制此流场热传性能之参数后，模拟实际船舶主机运转时活塞之冷却情形并进行实验量测，作为评估活塞冷却之基准，然后应用现行已实用於工业界的技术，在与往复运动正交方向之圆形冷却通道中加装凸起物以增加热传效能并予以测量其热传系数及其相关之物理现象，据以讨论此流场受往复力之影响，在周向不同位置之热传情形以及其与平行於往复运动方向之流场的差异。
13. In this thesis, a lot of experiments are conducted to study the influence of opening velocity upon the arc energy and arc duration in different current and opening velocity for AgNi and AgSnO2 contact materials utilizing the test equipment for contact material`s break arc characteristics.
本文利用分断电弧性能参数测试装置对AgSnO2和AgNi两种触点材料，在不同电流等级、不同分断速度的情况下进行了大量的试验，并对分断速度对电弧的燃弧时间、电弧能量的影响进行了研究。
14. study for a test的近义词
14. In this study, the mathematical model for a brake system in a dynamometer is proposed to identify brake torque variation, and correlations between the dynamo test and simulation are determined.
本研究推荐制动系统测功器数学模型用来鉴定制动转矩的变化，并确定动态试验和仿真间的相互关系，介绍了衬垫和盘之间简单模拟，作为点接触元件以及在时间范围内瞬态响应分析。
15. study for a test的意思
15. This study suggests that the 30- minute (1-24) ACTH test is a simple, safe and valuable screening procedure for evaluation of adrenocortical function in children.
本研究显示对于孩童肾上腺皮质功能的评估，30分钟肾上皮促素试验不失为一简单、安全且有临床应用价值的筛检方法。
16. study for a test的近义词
16. But nowdays the conventional method for quality detection of wall structure is destructive sampling test method which is not efficient, irepresentative and can not meet the need of engineering detection. Thus it is necessary to study a handy, lossless and effective method for health diagnose to improve and even substitute the conventional method.
然而，目前墙体质量检验常用的开孔或开槽的破坏性取样法，效率低、代表性差，已难以满足工程检测的需要，迫切需要一种简便、无损、有效的健康诊断方法，弥补以至取代传统的检测方法。
17. Unit 1 How do you study for a test.
人教版九年级第二单元课件人。
18. study for a test
18. Unit 15 We''re trying to save the ma. Unit 1 How do you study for a test.
人教版九年级第二单元课件人。
19. Based on thorough study and field test, the Φ60 mm mechanical hydraulic chronotron is developed, and a set of perforation techniques are developed for the horizontal wells with middle or lo...
介绍了Φ60mm液压延时器的结构、工作原理，该仪器的研制成功，为水平井TCP射孔安全提供了重要的保证，经多次现场应用，取得了较好的效果。
20. study for a test
20. Based on thorough study and field test, the Φ60 mm mechanical hydraulic chronotron is developed, and a set of perforation techniques are developed for the horizontal wells with middle or lo.
为此，研制了Φ60mm机械液压延时器，利用液压延时原理，控制各组点火起爆器的起爆时间，设计了不同尺寸的延时销，达到不同的延时时间，分段、分时、间隔引爆射孔枪，分散射孔能量，完善了中、长半径的水平井射孔工艺，解决了长井段水平井TCP射孔存在的问题。