干燥

Thermal conductivity A of mass and single pellet is successively measured by an efficient and steady heating system, of which the heat source is infrared ray. The milli-volt instrument and thermocouple is a way to measure temperature and its of higher precision and has fewer errors. Thermal diffusivity a is researched based on the study of C and. In this thesis, the volume convective heat-transfer coefficient, is measured on the thin-bed drying plat in terms of the principle of cooling machine and the Boyce drying theory, focusing on the air velocity v or mass flux G affecting on h.

导热系数λ的测定采用红外线纵向热流法，热源稳定、效率高；温度采用毫伏表加热偶温度传感器测量，精度高，误差小，并对成堆物料和单个颗粒均作了研究；基于C和λ的测量结果，导温系数α采用公式法计算而得；对流换热系数h_y为体积对流换热系数，其测定是模拟颗粒饲料的冷却干燥过程，依照冷却器的工作原理，构建颗粒薄层干燥试验台，并在Boyce干燥理论的指导下，重点测试了冷却风速对对流换热系数的影响。

Medical stone heat-treat and application in far infrared element material;2. In this article,the study of Vacuum dry chamber system with computer control infrared heating oil was introduced from aspects of structure,principle,flow path and system control.

本文从结构、干燥原理、运行流程、系统控制方面，对用于大型电器设备现场干燥的微机控制远红外真空热油干燥系统的研制过程进行了说明，该系统投入运行后，节能效果显著。

In this paper, the deterministic mathematical models for energy consumption during freeze-drying of yoghourt were development.

建立了酸乳冷冻干燥能耗的确定型模型，计算了当物料厚度、干燥室压强、加热板温度在三因素五水平设计时，干燥周期、生产率及能耗的模拟值。

The stage which is most sensitive to high temperature is trachea colouring embryo(ji-3), while the stage sensitive to dry condition is body pigmentation embryo(ji-5), so these two development stages have been called high temperature sensitivity stage and dry condition sensitivity stage respectively. The gene of high temperature and dry condition sensitivity is defined as sex-linked temperature sensitivity gene, which exists in 21.5 location of Z chromosome linking closely to sch gene, and presents concealed heredity.

其中对高温最敏感的时期是气管显现期(己_3)，对干燥最敏感的时期是转青期(己_5)，这两个时期分别称为高温敏感期和干燥敏感期，高温干燥敏感性基因定义为伴性温敏基因，t与Z染色体上21.5位置的sch基因紧密连锁，呈隐性伴性遗传。

However,the freeze-drying process provides a new way to solve this problem. The process was conducted the way a sample is precooled to-30℃,and the shelf temperature during primary drying is set to-30℃,which during secondary drying is set to 15℃.The time required for the whole freeze-drying process is a...

将样品预冻到-35℃后，一次干燥时搁板温度控制在-30℃，二次干燥时搁板温度控制在+15℃，整个冻干过程在25小时的工艺下，通过改变脐带血中冻干保护剂组分及浓度，比较冷冻干燥后有核细胞的恢复率，得出恢复率最高(68.397%)的配方(40%PVP+30%海藻糖+10%甘露醇)，并比较了细胞冻干前后的形态，然后将样本在常温下放置三周后进行了P I染色活性检测(89.08%)。

As a result, the wheat drying correlation was devel oped from those experiment data for predicting the wheat drying time in fluidized bed.

开发了热泵流化床谷物干燥实验系统，并将小麦干燥的经验回归公式应用于此实验台的干燥实验过程。

Produced by hot air circulation oven, vacuum drying equipment, drying equipment fluidization, spray drying equipment, rapid mixing equipment, crushing equipment, granulating granulation equipment, hot stove and alcohol recovery tower, such as product marketing more than 20 provinces nationwide , cities and autonomous regions, are widely used in chemical industry, metallurgy, medicine, food and other industries by the trust and welcome the broad masses of users.

公司生产的热风循环烘箱、真空干燥设备、流态化干燥设备、喷雾干燥设备、快速混合设备、粉碎设备、制粒造粒设备、热风炉与酒精回收塔等产品行销全国二十多个省、市、自治区，广泛应用于化工、冶金、医药、食品等行业，受到广大用户信赖和欢迎。

In the state of vacuum,the boilling point of raw material will be dr-opped.therefore it is suitable for drying raw materials that are unstable or thermalsensitive.the vacuum drier also has good airtighenss.so it is also for drying raw materials that contain strong irriative and toxic gases and toxicgases and the solvent needs to recover.

真空状态下物料溶剂的沸点降低，所以适用于干燥不稳定或热敏性物料；真空干燥机有良好的密封性，所以又适用干干燥需回收溶剂和含强烈刺激，有毒气体的物料。

SZG series double cone rotating vacuum drier's main machine is double cone tank, let steam or heat water inside sealed jacket heat the inner shell in vacuum state, the hot transferred from inner shell to dump material, make water of the dump material gasify, low speed motor drying the tank along, make material up and down, from inside to outside, and change the heated surface, at the same time, vapour is taken out continually through vent-pipe of vacuum pump, increase the speed of drying, attain the purpose of uniformity drying at last, it is in conformity with the requirement of GMP.

SZG双锥回转真空干燥机主机为双锥形罐体，罐内在真空状态下，夹套内可通过内胆传递给湿物料，使湿物料中水分气化，低速电机带动罐体回转，物料不断上下内外翻动，更换受热面，同时，水蒸气通过真空泵经真空排气管不断被抽走，加快了物料干燥速率，最终达到均匀干燥的目的。符合药品管理规范&GMP&的要求。

The system models of each unit and process and the economic models were used in this method.

对干燥过程进行优化设计，以年费用最小为目标，将干燥过程表示为最多3段的超结构，每段有2个干燥设备可以选择，给出了单元和过程系统的模型和经济模型。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐