用量

The influences of reaction parameters were discussed respectively, such as esterification time and temperature, catalyst dosage, ring-closing temperature, dosages of ECH, NaOH, etc.

重点研究了酯化阶段反应温度、反应时间及催化剂用量等影响因素；闭环阶段反应温度、碱的形态及ECH用量对闭环反应的影响。

The results showed that the significance of the effects of these factors on the oil extraction efficiency decreaseed in the order:extraction pressure, time, temperature and entrainer dosage, and the maximum extraction efficiency of watermelon seed oil could reach 52.18% under the extraction pressure of 40 MPa, temperature of 45℃, time of 150 min and the ethanol dosage of 7%.

结果表明，影响西瓜籽油萃取率的因素主次顺序为：萃取压力＞萃取时间＞萃取温度＞夹带剂用量；最佳提取条件为萃取压力40 MPa，萃取温度45℃，萃取时间150 min，夹带剂乙醇用量7%。在最佳条件下西瓜籽油萃取率为52.18%。

Taking the chili oil resin as a raw material, the pigment buoyancy factor as the appraisal target, the effect of the HLB value, the compound emulsifier type and the amount, the stabilizer type and the amount on the hot pepper erythrophyll emulsion stability were studied respectively.

以辣椒油树脂为原料，以吸光度和色素上浮率为评价指标，分别考察了乳化剂的HLB值、复合乳化剂类型及用量、稳定剂类型及用量对辣椒红色素乳状液稳定性的影响。

In this work, cationic kraft pulp was prepared by grafting copolymerization using acrylamide and cationic monomer ［2- ethyl］ trimethyl-ammonium chloride.

实验结果表明，当引发剂硝酸铈铵的用量从2%提高到8%时，纸浆的接枝率和阳离子表面电荷密度稳步提高；进一步提高引发剂的用量，纸浆的接枝率和阳离子表面电荷密度变化平坦。

The process affecting the polymer morphology, such as the kind and amount of dispersant, the amount of functional monomer, the Cu2+ concentration and the composition of external aqueous phase, were investigated in detail.

并对影响微球形态的工艺条件，如外水相中分散剂的种类、用量、功能单体的用量、内水相中金属离子的浓度、外水相的整体组成等进行了详细的研究。

Through three-factor factorial design and partial regression,the influences of cutting regimes on milling force are observed.

通过L8(2 3)析因分析与偏回归分析，考察切削用量对铣削力的影响规律，使用残差分析与最小二乘法等统计方法，建立了主切削力与切削用量的经验公式。

Effects of the factors on the yield of CLA have been studied and the mathematical models have been established by using the 23 factorial experiment.

考察了反应温度、反应时间、溶剂用量、催化剂用量等因素对CLA产率的影响。

To 2000 dosage of our country chemical fibrous will occupy the 45 ％ of spin fiber total dosage.

到2000年我国化学纤维的用量将占纺织纤维总用量的45％。

The results showed that PPFS had better flocculating efficiency than PFS and PAC,the performance of floccule was the optimal at pH of 6~10.Furthermore,when PPFS could be used to treat municipal wastewater,the optimal dosage of PPFS was 4.8 mg/L,and PFS and PAC were 6.4 mg/L,the removal rates of CODCr we...

此外，将PPFS用于处理城市生活污水，PPFS除浊的优化用量为4.8 mg/L，而PFS﹑PAC优化用量为6.4 mg/L；CODCr的去除率可分别高达91.4%﹑88.4%﹑86.5%；在pH值为7￣9的条件下，PPFS对城市生活污水的浊度和CODCr的去除具有良好效果。

The factors included the type of extractant, the amount and the extraction times, the type of purified column, the type and dosage of eluviatant about the pre-treatment of the samples. The extraction was 3 minutes (13500rpm) of high speed homogenize extraction. 50mL acetonitrile as an extractant was acted on one time extraction. The florin silicon column was taken as the purified column. The extraction was eluted by 30ml 3:2 acetone - hexane and concentrated by nitrogen blowing under 50 °C water bath.The chromatographic separated conditions were studied applied the Agilent 6890 gas chromatographic apparatus and DB-17 capillary column(30m×0.25mm×0.25μm).

研究了提取剂种类、用量与提取次数，净化柱种类，淋洗剂种类与用量，提取方式与提取时间，柱温和柱流量等因素对油菜籽中有机磷农药残留提取、分离净化和色谱分离的影响，建立了采用高速匀浆提取方式提取3min13500rpm.min~(-1，以50mL乙腈为提取剂一次提取，以弗罗里硅柱为样品液净化柱，以30mL 3：2丙酮-正己烷为淋洗剂，在50℃水浴条件下用氮吹浓缩，气相色谱检测的油菜籽有机磷农药多种残留检测技术。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。