| 1. | Standard test method for cloud point of petroleum products optical detection stepped cooling method 石油制品始凝点的标准试验方法 |
| 2. | Test method for cloud point of petroleum products - optical detection stepped cooling method 石油产品始凝点的试验方法.光学检测逐级降温法 |
| 3. | Test method for determination of the maximum flocculation ratio and peptizing power in residual and heavy fuel oils optical detection method 测定剩余和重燃料油的最大絮凝率和胶溶能力的试验方法 |
| 4. | Standard test method for determination of the maximum flocculation ratio and peptizing power in residual and heavy fuel oils optical detection method 测定残余燃料油和重燃料油中最大絮凝率和胶溶能力的标准试验方法 |
| 5. | Standard test method for determining stability and compatibility of heavy fuel oils and crude oils by heavy fuel oil stability analyzer optical detection 用重燃料油稳定分析仪测定重燃料油和原油的稳定性和可混用性的标准试验方法 |
| 6. | . standard test method for determination of intrinsic stability of asphaltene - containing residues , heavy fuel oils , and crude oils n - heptane phase separation ; optical detection 测定含沥青残留物重燃料油和原油固有稳定性的标准试验方法 |
| 7. | It also analyses and compares the characteristics of bulk acoustic wave and surface acoustic wave , such as directivities and shapes . and then optical detection methods of laser - induced ultrasonic , especially cfpi detection method , are introduced 然后,介绍了激光超声的光学检测技术,并重点分析了外差干涉检测技术和共焦fabry - perot干涉检测技术的原理和特点。 |
| 8. | Since the optical detection and tracking technology deals with 3d space - time signal and is a kind of passive detection technology , it has a lot of features , such as concealment , anti - jamming and high precision tracking performance 红外及可见光成像检测和跟踪系统由于其处理的是多维信号(二维时间,一维空间) ,且是一种被动检测技术,因此具有隐蔽性好,抗干扰能力强等诸多优点 |
| 9. | In order to efficiently improve the stability of the apparatus , a dual - optical detection circuit was adopted . to eliminate the multiple scattering effects on transmittance measurements , the range of the transmittance was limited to 70 - 100 % by adjusting the width of the light flow cell and changing the intensity of the incident light through regulating the load voltage of the laser light source . moreover , the data acquisition software was programmed in microsoft visual bas 通过调节激光光源负载电压改变光强度及调摘要整检测池的宽度,消除了多重散射对透光率的影响,将透光率的变化范围控制在满足beer1a毗ert定律的范围内工将温度、溶液密度和透光率信号经模数转换,并用microsoftvisualbasic语言编写的数据采集软件,实现了实验过程中各被测量的自动连续采集。 |