专业英语整理

PPT例句：It was found that the microwave freeze-drying(MFD) can significantly decreasethe dry time and increase the sterilization efficiency.结果表明，微波冷冻干燥与普通真空冷冻干燥方式相比，可大大缩短干燥时间，并具有一定杀菌效果。

It is well known that the Maillard reaction between amino acids/sugars（氨基酸/糖）, Strecker degradation（降解）of amino acids and lipid thermal degradation are the main sources of volatile compounds in cooked meats.众所周知，氨基酸和糖之间的美拉德反应，氨基酸的斯特雷克降解和脂肪的热降解是熟肉中风味化合物的主要来源。

Pasteurization temperatures and times for many years were selected to ensure destruction of Mycobacterium tuberculosis, the highly heat-resistant non-spore-forming bacterium that can transmit tuberculosis to humans.多年来，巴氏杀菌(Pasteurization)的温度和时间都是按照能确保破坏结核分枝杆菌(Mycobacterium tuberculosis)而选定，这种高度耐热的非芽孢杆菌(non-spore-forming bacterium)会使人类染上结核病(tuberculosis)。

Moreover, significant modification have been made to the host strain to provide optimally for the energetic and redox（氧化还原）demands of 1,3-propanediol production.此外，对宿主菌做了重要的修饰，以便最佳化地提供生产1，3-丙二醇所需要的能量和氧化还原必须的辅酶。

From the evaporation of water people know that liquids can turn into gases under certain condition。

人们从水的蒸发现象了解到，液体在一定条件下能变成气体。

The major problem in fabrication (制造) is the control of contamination and foreign materials.制造过程中存在的主要问题是如何控制污染和杂质Irrespective of（不管）the length of ε-Polylysine, no definite secondary and tertiary structures have been observed.不管ε-聚赖氨酸的链有多长，都没有发现其确定的二级和三级结构。

Olive oil was shown to increase lipase production in both free and immobilized cells. 对于游离细胞和固定化的细胞，橄榄油都对增加脂肪酶的产量有作用。

Determination of FCC was conducted with flux data only.仅由流量数据确定FCC。

Applying an objective function of optimizing growth is consistent with the extensive evolution of living cells to maximize their performance.应用优化生长的目标函数拟合普遍活细胞生长的数据，以最大限度地提高模型的功能。

By orienting at the interface of the fat and water, emulsifiers are able to lower interfacial tension and therefore provide some measure of emulsion stability.通过在脂肪和水界面取向，乳化剂可以降低界面张力，从而提供一定的乳化稳定性。

The package is also an important part of the manufacturing process and must be efficiently filled, closed, and processed at high speeds in order to reduce costs.包装也是制造过程的重要环节，因此为了降低成本，必须高速高效地进行填充、封闭和加工。

However, the significance of this is difficult to judge as only a single gene has been examined.然而，仅鉴定单一的基因就对其意义作评价有困难。

A metabolic reaction (MR) model for central carbon metabolism and glutamate synthetic pathway was constructed, and consistency of the model was statistically verified.建立了中心碳的代谢反应和谷氨酸的合成途径的代谢模型（MR），并用统计软件验证。

The electrical conductivity has great importance in selecting electrical materials.在选择电工材料时，导电性是非常重要的。

This communication system is chiefly characterized by its simplicity of operation and the ease with which it can be maintained.这种通讯系统主要的特点是操作简单，维修容易。

The presence of various pathways in the cell is then validated and the pathways are thoroughly created using the biochemical literature and publications.细胞中出现的各种代谢途径已被验证，而这些代谢途径都是利用生化的文献和刊物数据编制成的。

Vitamin C, also known as ascorbic acid, is easily destroyed by oxidation, especially at high temperatures, and is the vitamin most easily lost during food processing, storage, and cooking.维生素C也称为抗坏血酸，容易被氧化破坏，在高温下尤其容易受到破坏，并且是食品加工、贮藏和烹饪过程中最容易损失的维生素。

Sugar alcohols are sugar derivatives that are found naturally but are more commonly manufactured from sugars and added as pure ingredients.糖醇是天然存在的糖衍生物，但通常由糖类制造而成并以纯配料形式添加。

A meal is made up of food which is prepared to be eaten at a specific time and place. 餐食是在特定时间和地点制备的食品Edible oil is one of the few food ingredients that have no significant or measurable water.食用油是含水不明显或含有不可预测水分的少数食品配料之一。

Examples would be frankfurters-which generally are mildly cured, cooked, and smoked ; fresh pork sausage-which is note cooked, smoked, or cured in manufacture; and Italian salami- which is cured, fermented, and dried.香肠的例子有：法兰克福香肠，一般经过中等程度腌制，蒸煮和烟熏；新鲜猪肉香肠，其制造过程没有经过蒸煮，烟熏或腌制；意大利香肠是腌制过的发酵干香肠。

Microfiltration membranes are classified by pore diameter cut off which is the diameter of the smallest particles that retained by it, typically in the range of 0.1 to 10μm.微滤膜根据空隙最小直径（膜能截留住的最小的直径）分类，一般范围在0.1-10μm 之间。

Freezing is also one of the most commonly used processes commercially and domestically for preserving a very range of food including prepared food stuffs which would not have required freezing in their unprepared state.冷冻也是最普遍应用于商业和家庭的加工方式之一，用于包括制备食品在内的许多食品的保藏，这些食品在未制备状态下不需要冷冻。

Maltose, composed of two glucose units, is found in products where there has been starch degradation.由两个葡糖糖单位组成的麦芽糖，存在于发生过淀粉降解的产品中。