Chinese translation for "中心温度"
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- central temperature
core temperature
- Example Sentences:
| 1. | Never leave food , raw or cooked , at room temperature any longer than 2 hours 剩馀的食物,必须翻热至中心温度最少达摄氏75度,才可食用。 | | 2. | Thoroughly cook all the ingredients and the centre temperature of the food should reach 75 degree celsius 盆菜的全部材料要彻底煮熟,烹煮食物的中心温度须达摄氏度 | | 3. | The key points are caloric value of coal , the fusing characteristics of coal ash and the temperature at furnace center 其要点是煤的热值,煤灰的熔融特性以及炉膛的中心温度。 | | 4. | Its surface temperature of about 6000 degrees celsius , the center temperature was as high as 15 million degrees celsius 它表面的温度约6000摄氏度,中心温度高达1500万摄氏度。 | | 5. | Reheat leftovers to at least 75 c before consumption . never leave food , raw or cooked , at room temperature any longer than 2 hours 剩馀的食物,必须翻热至中心温度最少达摄氏75度,才可食用。 | | 6. | After combustion , the temperature at the furnace center and the coal ash state play an important role in the safe operation of boiler 当煤燃烬后炉膛的中心温度、煤灰具有的熔融特性对锅炉的安全运行起著重要的作用。 | | 7. | Reheat leftovers before consumption thoroughly to a core temperature of at least 75 . bring soups , sauces and gravies to boil 翻热剩馀食物时,将其加热至中心温度至摄氏75度或以上,并确保汤腌汁或酱汁都已煮至滚沸。 | | 8. | Data from the chandra observation show that the central ten - million - degree celsius cloud is the remains of a supernova explosion that destroyed a white dwarf star 来自钱德拉的观测数据表明,中心温度达上千万摄氏度的云湍团是超新星爆发的残余,爆发摧毁了一颗白矮星。 | | 9. | This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass , which distill the bio - oil in the domestic and international area , as well as the existing problems . this thesis primarily include following aspects : ( l ) , by experimenting and measuring the energy ( heat value ) and the content of c , h , n chemical element of right 20 kinds of common biomass , on the base of the experimental result , and respectively established the biomass energy predict experiment formula with the element of h and c is from change , and passed the ro . os examination , which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ) , proceeded the tg and dtg experimentation equal velocity ( 10 ? / min , 20 ? / min , 40 ? / min , 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples , according to the experimental data and arrhenius formula , we established the dynamics model of pyrolysis of , then , using the goast - redfern and p function , we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy , and established the every kind of dynamics model of pyrolysis of biomass , all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ) , in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles , we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope , we concluded the l / d ratios usually is from 5 . 0 to 6 . 0 , the average is 5 . 3 ; ( 4 ) , we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field , we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis , and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical , all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ) , according to the above experiment result , synthesize to make use of the engineering the mechanics , engineering the material , machine the design to learn the principle , deduce , establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ) , we gave the reactor ' s smallest cone angle certain , reactor cone wall strength design theory , the reactor production ability theory , the power design method and the critical rotation velocity theory 本文较全面、系统地综述了国内外生物质热解液化制取生物燃油技术研究发展现状及存在的问题,主要研究内容有: ( 1 )实验、测定了20种常见生物质的能量(发热量)和c 、 h 、 n元素含量,根据实验结果分别建立了以h和c为自变量的生物质能量预测经验公式,并通过r _ ( 0 . 05 )检验;为闪速热解液化装置能量转化率计算和生物质能量利用率计算提供了依据和方便; ( 2 )选择了8种生物质试样作了等加热速率( 10 min 、 20 min 、 40 min 、 60 min )和恒温加热的tg和dtg实验,根据实验数据和阿伦尼乌斯公式建立了生物质热解反应动力学微分方程,并采用goast - redfem积分法和p函数对其动力学参数进行了求解,解析出各种生物质的频率因子和活化能参数,进而建立了各种生物质的热解动力学模型,为科学确定反应器的闪速热解工作温度范围及热解反应动力学描述,提供了理论和依据; ( 3 )为研究和确定不同尺度的生物质颗粒中心达到全热解的时间,在体视显微镜下对不同粒度的生物质颗粒的长径比进行了实验观察和测定,得出生物质的长径比( l d )一般在5 . 0 6 . 0之间,平均为5 . 3的结果; ( 4 )采用复杂温度场传热学理论对生物质传热过程及充分热解时间理论进行了研究,解析推导出了不同尺寸生物质颗粒中心温度达到充分热解温度的时间( t ) ,得出了理论推导的充分热解时间与最大产油率的热解时间相一致的结果,为闪速热解反应器固相滞留时间设计和预测提供了理论依据; ( 5 )根据上述实验结果,综合运用工程力学、工程材料、机械设计学原理,推导、建立了转锥式闪速热解反应器物料滞留时间( )与转速(或频率)合理匹配理论; ( 6 )提出了转锥式闪速热解反应器的最小锥角设计、锥壁强度设计、生产能力设计理论和功率计算方法及临界转速理论等。 | | 10. | Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models , integrated with fuzzy control and conventional pid control , abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected , the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized . in addition , the heating parameters and the operating status of the field plant can be monitored with alarm 采用abb公司的controlit控制系统,避开炉子控制中遇到的困难参数检测及建模困难等因素,直接根据容易检测的炉壁温度来推知钢坯表面温度及钢坯中心温度,将模糊控制技术与常规pid控制相结合,实现各段温炉设定值自修正、各段炉温自协调、各参数在线自整定的自寻优最佳燃烧控制;对热工参数、现场设备的运行情况进行监视、报警,实现炉膛压力、管道压力、换热器的保护控制,并将重要参数送往厂级mis网络。 |
- Similar Words:
- "中心位置调节电路" Chinese translation, "中心位置调整电路" Chinese translation, "中心位置调整线圈" Chinese translation, "中心位置调准电路" Chinese translation, "中心位置控制" Chinese translation, "中心文件联机" Chinese translation, "中心问题" Chinese translation, "中心窝" Chinese translation, "中心窝凹壁" Chinese translation, "中心窝旁视觉" Chinese translation
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