响应面

The optimum extracting condition of β-ecdysone from tussore were investigated by using the response surface methodology.

通过单因素试验，应用响应面分析法研究了温度、乙醇体积分数、料液比和时间对柞蚕中β-蜕皮激素提取的影响，探讨以乙醇为溶剂提取柞蚕中的β-蜕皮激素的最佳提取工艺条件。

The response surface method was used to optimize the culture medium for anti-fungus compound produced by Streptomyces 702 under unsterilized condition.

用响应面分析方法对链霉菌702产抑真菌物质生料发酵培养基进行了研究。

To optimize the extraction condition for the polysaccharides from Coriolus versicolor mycelium, the single factor tests and response surface methodology were applied.

为了探索云芝菌丝体多糖水浸提的最佳条件，在单因子实验的基础上，采用合理的实验设计方案，应用响应面法优化云芝多糖的提取条件。

A screening and cultivation method for Bacillus thuringiensis of high-yield high temperature resisting protease includes the following steps: high-yield high temperature resisting protease Bacillus thuringiensis Bt140 is obtained through adopting casein substrate agar to identify flat primary screen and fermenting enzyme activity measuring secondary screening; Plackett-Burman design and response surface analytical method are adopted to obtain optimal fermentation zymogenic formula and fermentation condition for Bt140 quickly; finally, shaking fermentation level reaches to 918.56U/mL.

一种高产耐高温蛋白酶的苏云金芽孢杆菌筛选及培养方法，采用酪蛋白底物琼脂鉴定平板初筛与发酵酶活测定复筛的方法获得高产耐高温蛋白酶苏云金芽孢杆菌Bt140；采用Plackett-Burman设计与响应面分析法快速获得了Bt140最佳的发酵产酶配方与发酵条件，最终摇瓶发酵水平可达918.56U/mL。

Response surface and contour were finally graphed with the extraction rate as the response value.

在单因素实验基础上选取实验因素与水平，根据中心组合实验设计原理采用三因素三水平的响应面分析法。

According to the Box-Benhnken design principle,the method of response surface method with 3 factors and 3 levels was used. The factors influencing the technological parameters were determined by means of regression analysis. Response surfaces were finally graphed with the yield as the response value. The synthesis conditions were optimized as follows:reaction reagent was NBS,stoichiometric proportion between NBS and anhydrovinblastine was 1.07; the dosage of TFA was 22 mL/L; reaction temperature was －68 ℃ and duration was 90 min.

在单因素实验基础上，根据Box-Benhnken实验设计原理，采用三因素三水平的响应面分析法，研究了各个因素及其交互作用后，得到了合成7′-Br-脱水长春碱的最佳工艺条件：以二氯甲烷为溶剂，采用NBS为溴代剂，其用量与底物的物质的量比为1.07∶1，TFA的加入量22 mL/L，在－68 ℃下反应90 min，终止反应后，得到卤代产物。

The black glutinous corn was used as raw material,and Aspergillus oryzae and yeast were used as saccharifying and fermenting activator.

以黑糯玉米为原料，采用米曲霉和酵母为糖化、发酵剂，在单因素的基础上，利用响应面法对黑糯玉米黄酒的发酵条件(发酵剂的接种量、发酵时间、发酵温度)进行优化。

Corni. On the best coordination basis of 3 factors of extracting time, extracting temperature and solid-liquid ratio, the orthogonal combination of design of quadratic regression was tested by selecting 2 factors of alcohol amount and precipitation time, and optimization on technology parameters of polysaccharide extraction from F. Corni was conducted for two times.

方法］在山茱萸多糖提取时间、提取温度和料液比3个因素最佳配合的基础上，选取酒精用量、沉淀时间2个因素进行二次回归正交组合设计试验，用响应面法对山茱萸多糖提取工艺参数进行了两次优化。

By this method, the productivity of 3. 18g/l extracellular polysaccharides was obtained. The optimum extraction method was obtained by RSA. It was determined as follows: 91. 4 ℃, 2. 9h, the weight ratio between mycelia and water was 1 to 3. The productivity was 12. 38% of dry mycelia. Set the purifying methods of Grifola frondosa: Precipitated polysaccharides part by 60% ethanol→removed protein by Sevag method→removed coloring matter by H〓O〓→removed salts by dialyse→DEAE-cellulose column chromatogram→ purified polysaccharides groups.

对于胞内多糖的提取，采用湿菌体经捣碎再高压破壁的方式破碎菌体细胞，采用响应面分析法得出优化后的提取条件为：提取温度91.4℃，提取时间2.9h，料水比1：3，此提取条件下胞内粗多糖的率为干菌体重的12.38％建立了灰树花多糖分离纯化的技术路线 60％乙醇沉淀的粗多糖→Sevag法脱蛋白→H〓O〓脱色→透析脱盐→DEAE-纤维素层析分离→多糖组分。

The mixtures, blended with wheat bran and flour in different proportions, were extruding processed by a twin-screw extruder. The effects of screw speed, barrel temperature, flour content and feed moisture content on Water-Absorption Index of the products was investigated by response surface methodology, and a regression equation was built up.

以麦麸和面粉为原料，用SLG32-Ⅱ双螺杆挤压膨化机在不同的加工参数条件下对麦麸进行挤压处理，用响应面法研究了挤压参数，面粉添加量和物料水分含量对麦麸膨化产品吸水指数的影响规律，并建立了回归模型。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。