Results and conclusion The best procedure and freezing curve are the key to reduce the quality of bad production. 结果及结论确定最佳工艺处方和冻干曲线是减少萎缩不良品数量,提高制品合格率的关键。
Methods The reason of bad production was analyzed, and the best procedure and freezing curve were determined by orthogonal experiments. 方法研究冻干制品萎缩现象产生的原因,通过运用正交试验法摸索出最佳工艺处方和冻干曲线。
The dangerous zone must be through rapidly when freezing semen and the demanded optimal freezing curve must be observed. 在精液冷冻过程中必须快速通过危险温区和按照规定的精液冷冻曲线操作;
A determining method of the soil water freezing characteristic curve is put for-ward. 介绍一种土壤冻结特征曲线的测定方法,并用自制的恒温冻结室和量热装置测量了4种典型土壤的冻结特征曲线;
Determination of Soil Water Freezing Characteristic Curve 一种土壤冻结特征曲线的测定方法
The longan freezing pattern was studied through analyzing the freezing curve line at-40 ℃, and the changes of the pericarp membrane permeability, the PPO activity and the total phenol content in longan during freezing storage were determined every 30 days. 测定了龙眼果实速冻时的冻结曲线、冻藏过程中果皮细胞膜渗透率、果皮内PPO的活性和总酚含量的变化情况。
The value calculation of heat transfer and transport time of slab is made on the base of the analysis of slab freezing heat transfer and the technological improvement in 2.7 ton rectangle curve slab of tianjing steel corporation. 在分析钢锭凝固传热的基础上,结合对天津钢厂2.7吨矩形弧边钢锭的技术改造,对钢锭的凝固传热及传搁时间进行了数值计算。
Afterwards freeze-drying experiments were also carried on in LG-0.2 freezing dryer. The optimum freeze-drying technologies and freeze-drying process curve of peony in different drying conditions were obtained. The better product of dried peony is obtained, too. 然后利用LG-0.2型真空冷冻干燥机进行了牡丹花的真空冷冻干燥试验研究,得到了不同干燥条件下真空冷冻干燥牡丹花的较优工艺和冻干曲线,获得了较为优良的干花制品。
With the intensity of the electrostatic field changed, the freezing curve, the thawing curve and the number of the microbe are evaluated. 通过加电场以及改变电场强度大小,研究其冻结曲线和解冻曲线的变化;微生物指标的变化。
The freezing curve of the Sr modificated Al-11.7% Si eutectic alloy is obtained by experiment, and the solid phase grow speed curve is calculated. 针对Sr变质Al-11.7%Si共晶合金,通过实测获得冷却曲线,计算出结晶过程固相生长速率曲线。
One pipe freezing zone temperature shows the distribution of logarithmic curve and cooling zone temperature shows the distribution of aligning; the temperature is basically smooth in the middle of two pipes freezing temperature field. 3. 分析可得单管冻结区的温度分布呈对数曲线分布,而降温区的温度分布近似呈直线分布;双管冻结温度分布的中间区域部分温度基本保持平稳。
And effects of freezing and thawing on the fetal fibroblast cells, cell grow curve and chromosome analysis were discussed. 研究了冻存对胎儿成纤维细胞的影响以及胎儿成纤维细胞的生长曲线和染色体倍性。