百度作业网英语翻译Experimental ProceduresThe experiments were divided into
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英语翻译
Experimental Procedures
The experiments were divided into two operational modes,
i.e.,conventional freeze drying without microwave heating,
and microwave heated freeze drying with and without the assistance
of the dielectric material under ambient temperatures
of 25 and 418C,respectively.
In conventional freeze drying,a quartz rod was used as the
core at the center of the cylindrical frozen sample.The test
was carried out without microwave heating.The heat needed
for freeze drying all came from radiation of the quartz bell jar
toward the surface of the sample.An initial material temperature
of 2328C was selected because the mannitol solution has
the collapse temperature of 2308C.22,23 In microwave heated
freeze drying,either a quartz rod or an SiC rod was used as
the core of the sample.With microwave heating,the heat for
freeze drying was supplied not only by surface radiation but
also by the volumetric energy of microwave.The operating
conditions are summarized in Table 2.Since the two modes
of operation are similar,only the experimental procedure of
the latter one is described as follows
Experimental Procedures
The experiments were divided into two operational modes,
i.e.,conventional freeze drying without microwave heating,
and microwave heated freeze drying with and without the assistance
of the dielectric material under ambient temperatures
of 25 and 418C,respectively.
In conventional freeze drying,a quartz rod was used as the
core at the center of the cylindrical frozen sample.The test
was carried out without microwave heating.The heat needed
for freeze drying all came from radiation of the quartz bell jar
toward the surface of the sample.An initial material temperature
of 2328C was selected because the mannitol solution has
the collapse temperature of 2308C.22,23 In microwave heated
freeze drying,either a quartz rod or an SiC rod was used as
the core of the sample.With microwave heating,the heat for
freeze drying was supplied not only by surface radiation but
also by the volumetric energy of microwave.The operating
conditions are summarized in Table 2.Since the two modes
of operation are similar,only the experimental procedure of
the latter one is described as follows
实验步骤实验划分为两种操作模式,即,无微波加热的常见冷冻干燥,与分别在25及418摄氏度的温度环境下通过非传导性材料帮助和不通过非传导性材料帮助的微波加热冷冻干燥.在常见的冷冻干燥中,石英棒被用作圆柱形冷冻样本...
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