您要查找的是不是：
- resources density method 资源密度面积法
- The duration of PAE was determined by the optical density method. 应用光密度法测定抗生素后效应。
- Density method is generally adopted for RCC compaction quality control at present. 目前普遍采用的碾压混凝土压实质量控制方法是密度法。
- This paper presented a nondamage density method for identifving god articles as an embellishment characterized by swiftness, accuracy and convenience. 密度法无损检测金饰品具有简单、准确、快速的特点。
- By variable density method, an optimal topology model is established with the help of the software ANSYS to support the optimal topology design of the horsehead pumping unit. 文章应用有限元分析软件ANSYS,采用变密度法建立拓扑优化模型,对抽油机驴头进行拓扑优化设计。
- Chen Zhi-hua, Wang Xiao-dun, Liu Xi-liang.Form finding of tensegrity structures by force density method [ J ].Journal of Building Structures,1999,20(5):29 - 35. [5]陈志华;王小盾;刘锡良.;张拉整体结构的力密度法找形分析 [J]
- At first, Burns method, Citrate method, modification of ASBC method，modification of Helm method, and modification of light density method were studied systemically. 因此本课题首先对各种絮凝性的测量方法（本斯法、柠檬酸盐法、修正ASBC法、改良光密度法、修正Helm法）进行了系统地评价，结果表明以改良光密度法的测定效果为好。
- Density method are used to monitor and control the quality of aluminum liquid before cast,and the experimental result of aluminum alloys,refining technology are analyzed. 采用密度测试法对从熔化到浇注过程的铝液精炼质量进行监控,对铝液精炼工艺的试验结果进行分析。
- METHODS: The PAEs were determined by the optical density method using AVANTAGE Microbiology System. 方法:应用AVANTAGE自动微生物分析仪的光密度法测定抗生素后效应。
- Abstract Combine the element strain energy density method with BIW structure, a relative sensitivity method called strain energy density and mass sensitivity ratios is put forward. 摘要 应用单元应变能密度理论结合实际白车身结构，提出了车身部件的应变能密度比质量灵敏度的相对灵敏度方法。
- This paper described the use of spring model,penalized density method and topology optimization as a synthesis tool for the design of controllable path-generating compliant mechanisms. 结合弹簧模型、变密度法和拓扑优化工具,研究了实现平面可控轨迹输出柔顺机构的设计方法。
- A specific expression of density - temperature - concentration relationship was established with density method for commercial production of styrene - maleic anhydride copolymer(SMA). 运用密度法建立了可用于苯乙烯-马来酸酐共聚物(SMA)工业生产的密度-温度-浓度关系式。
- All these methods are expected to be an important supplement to the traditional density method and can be of great use for quality control of hexafluoroacetone hydrate product. 通过几种方法的联用,弥补了传统密度法的表征的缺陷,对产品的质量控制具有一定的指导意义。
- Currently the main methods nondestructively detecting this disorder are optical density method, X-ray method, mass density method and magnetic resonance imaging (MRI) method. 目前其无损检测的主要方法有光密度法、X-射线法、质量密度法和磁共振影像法。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- Paying all the bills is a strain on my resources. 支付所有这些费用是我经济上的一大负担。
- auto-cross spectrum density method 自互谱法
- He has no inner resources and hates being alone. 他没有内在的精神寄托，因而害怕孤独。
- The need to economize scarce energy resources. 节约使用稀有能源的必要性
