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The process flow of frozen boiled crawfish ,the genera of microorganism and its heat resistance and pathogenicity were analyzed in this article.

分析了出口冻煮小龙虾的生产工艺、控制微生物的种类及其相应的耐热性和致病隐患等方面,得出煮是控制小龙虾生产加工过程中微生物的有效方法,并且得出影响煮的因素有煮数量、加工季节和虾体大小。

The principle of digester is introduced and the method of calculation of the distance between two's circle wire s has been given.

根据麦草制浆过程中煮与洗涤特点,提出了一种适于麦草置换煮与锅内置换洗涤的煮锅结构,介绍了其工作原理,并给出了环形滤网间距计算公

The principle of digest is introduced in this paper and the method of calculation on the distance between two circle wire s has been given.

根据麦草制浆过程中煮与洗涤特点,提出了一种适于麦草置换煮与锅内置换洗涤的煮锅结构,介绍了其工作原理,并给出了环形滤网间距计算公式。

This is particularly so when fumigating commodities which absorb large amounts of fumigant and for treatments conducted at low temperatures.

在被熏的物品能够吸附大量熏剂以及在低温下熏时,尤其应该这样。

Fumigating is the most effective method to kill pests in grain depots. Phosphine is not only the safest fumigant under use, but also the only allowable fumigant in most countries.

法是防治储粮害虫最为有效的手段,磷化氢是目前对人类而言最为安全的熏剂,也是绝大多数国家唯一允许使用的熏剂。

Gas concentrations should be monitored at intervals during the fumigation and, if necessary, additional fumigant added to maintain the required concentration.

期间,应在不同时间间隔监测熏剂的浓度,并根据需要补充熏剂,以达到所要求的浓度。

Fumigants, by their chemical nature, are reactive chemicals. They can have unwanted and adverse effects on the treated commodity. It is essential to be aware of these effects when choosing a fumigant for a particular situationr.

由于化学性质决定了熏剂都是活泼的化学物,它们对所处理的货物在不同的程度上会产生不利的有害影响,因此,在一些特定的情况下,选择熏剂时最基本的一点就是要了解熏剂对货物的影响。

Under the conditions of 24 h fumigation with 30 μL/L dosage at 19 °C, 25 °C and 31 °C, the adult corrected mortalities were 83.108%, 62% and 42%, respectively. These results indicated that the EtF killed the adult weevils in a very short time period, and the fumigation efficacy at relatively lower temperature was better than that at relatively higher temperature. Under the conditions of 20, 25 and 30 °C and 24 h fumigation

1.2 甲酸乙酯对赤拟谷盗的熏活性同样采用广口瓶密闭熏法,在不同的药剂浓度、处理时间和温度下系统研究甲酸乙酯对赤拟谷盗T.castaneum卵、低龄幼虫、高龄幼虫、蛹以及成虫的熏致死作用,结果表明处理时间和温度显著影响甲酸乙酯对赤拟谷盗各虫态的熏致死效果,48h内就能发

The temperature behavior in mats was measured using CopperConstantan Thermocouples, and the core temperature cure during both pressings was simulated by means of a computer under various conditions.Reflected-fluorescence microscopy and image analysis techniques were used to measure the flow and penetration of PF adhesive into the Polar flake under various steam-injection-vacuum-pressing conditions. The paper also studied the effects of adhesive and penetration on flakeboards'mechanical properties.

研究结果表明:采用聚合度较大的水溶性A阶酚醛树脂胶,可以比较有效地克服目前水溶性酚醛树脂胶喷热压大片刨花板中的树脂胶过度稀释、渗透及胶线缺胶的问题;适当选择饱和汽压力、喷时机、喷时间、汽保持时间和抽真空处理程度,是解决目前水溶性A阶酚醛树脂胶在喷热压中所存在的问题的另一个重要途径。

The autoclave is for 4-10 hours at a constant temperature of 175-210 DEG C and under the vapor pressure of 1.0-1.3 Mpa; steam curing is to steam cure 24-48 hours at a constant temperature of 70-100 DEG C.

压是在175~210℃恒温压4~10小时,汽压为1.0~1.3Mpa;养是在70~100℃恒温下养24~48小时。

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在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

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