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experimental design相关的网络例句

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与 experimental design 相关的网络例句 [注:此内容来源于网络,仅供参考]

In this paper, acetylsalicylic acid, cyclohexanone Preparation of micro-content of the experimental design, in different reaction conditions were carried out under analysis to optimize the improvements and chemical experiments on the basis of conventional experimental and micro-experimental comparison, being The experimental results consistent with the premise, fully reflects the micro-chemistry experiments to save time, save the amount of reagents, as well as many advantages such as reducing environmental pollution.

本文阐述了乙酰水杨酸、环己酮微型化制备实验的设计内容,在不同反应条件下进行了对照分析,从而进行优化改进,并就基础化学实验中常规实验与微型实验进行比较,在得到一致的实验结果的前提下,充分体现了微型化学实验节省时间、节省试剂用量、以及减少环境污染等诸多优点。

Methods and Materials Experimental Design Our general experimental design was to first evaluate the effects of antibiotic pretreatment by conducting metal toxicity tests with brine shrimp cysts that had and had not been pretreated with antibiotics.

材料与方法试验设计我们一般实验设计是第一次评价的影响,抗生素进行预处理金属毒性试验与卤虫囊肿有和没有预处理抗生素。

A Box-Behnken experimental design was applied in the design of experiments and in the analysis of the experimental data.

采用Box-Behnken法研究和探讨初始pH值、接种量和温度对菌株DN2降解烟碱的影响,获得了二次模型。

Combining the experimental results and theoretical analysis, the following work has been accomplished.(1) Reasons of the decrease of interelectrode capacitance and the increase of discharge gap caused by the powder suspended in dielectric fluid are explained. And the mechanism that surface quality of workpiece improved by powder-mixed EDM is analyzed from this viewpoint.(2) The variation regularity of the percentage of silicon on the machined surface of workpiece has been summarized according to the experiment results when silicon powder was added into the working fluid. The entropy is introduced to explain the reasons for this variation regularity by thermodynamics.(3) The dimensional accuracy is greatly influenced by the overcut resulting from discharge gap and electrode wear in practice application. Empirical formulas for the overcut in EDM and powder-mixed EDM are established based on the experimental results using the ternary linear regressive method in this paper.(4) The influence of main factors on the machined surface characteristics has been evaluated based on the orthogonal experimental design method.

通过一系列普通电火花加工与混粉电火花加工的对比实验,运用工艺实验和理论分析相结合的方法,重点做了以下工作:(1)探讨了粉末颗粒导致极间电容减小、放电间隙增大的原因,并从这个角度解释了混粉电火花加工可以改善工件表面质量的机理;(2)以混合硅粉的电火花加工为例,实验得出峰值电流和脉冲宽度对加工表面层成分中硅元素含量的影响规律,并引入熵的概念从热力学的角度对硅元素含量变化的原因寻找了理论依据;(3)在实际加工中,由于粉末的加入使放电间隙变大,这使得混粉电火花加工的尺寸精度难以控制,本文利用三元线性回归的方法,在实验数据的基础上,建立了两种电火花加工过切量的计算公式;(4)将正交试验法应用于混粉电火花加工实验研究,并通过对实验指标极差的直观分析,得出各电参数对加工指标影响的敏感程度。

This article studied differences in postpartum fatigue and birth outcomes between women who pushed immediately and those who delayed pushing during the second stage of labor. Data were collected from primiparous women in their 38th to 42nd gestational week who did not receive epidural analgesia during labor and were free of complications during pregnancy. Using a quasi-experimental design, 72 participants selected by convenient sampling were assigned based on individual participant's preference to either an experimental or control group. For the experimental group, pushing was delayed until the point after full cervical dilation at which the mother felt a strong physical pushing reflex, the fetal head had both descended to at least the +1 level in the pelvis and turned to the occiput anterior position, and uterine contractions were at least 30 mmHg. For the control group, the physician instructed mothers to begin pushing after full cervical dilation at the point when the fetal head was in the occiput anterior position and uterine contractions were at least 30 mmHg.

本研究目的在探讨初产妇女第二产程立即用力与延迟用力对产后疲惫及生产结果的影响,收案对象为怀孕38-42周初产妇女、待产期间未施打硬脊膜外麻醉,且怀孕期间无任何合并症,於待产期间向其解释研究目的及收案方法后予以收案,采类实验设计法,以方便取样并依个案之意愿分派於实验组及控制组,实验组於子宫颈完全扩张后等到强烈想用力的感觉、胎头位到达坐骨棘连线下1公分以下、胎头位置转到枕前位、子宫收缩规律强度至少30mmHg才教导向下用力;控制组於子宫颈完全扩张后即教导向下用力,共收案72位。

Chicken feed of model 661 is regarded as raw material of pellet feed, the influence that experimental factors including modulation-character temperature, modulation-character moisture, grease-additive quantity, and comminuting granularity have on making pellet quality, productivity, and electricity consumption. UG and ANSYS are regarded as simulating circumstance in finite element analysis, for problem on service life of the machine, evaluation index that average stress of a series of parameterized loop die is regarded as service life of hoop standard granulator is achieved by dynamic, static, and thermal structure coupling analysis for key part: loop die of the machine. For every influencing factor the experimental arrangement of array and combination is made by adopting optimizing idea and method of experimental design, the aim of quantification analysis is strived to arrive.

在试验设计中,采用正交试验的方法,以611型鸡饲料作为颗粒饲料的原料,分析混合饲料的调质温度、调质水分、油脂添加量、粉碎粒度等试验因素对制粒质量、生产率、电耗的影响;有限元分析中以UG、ANSYS作为仿真环境,针对制粒机使用寿命的问题,通过对环模制粒机中的关键零件环模进行动力、静力、热结构耦合分析,获得一系列参数化后的环模的平均应力作为环模使用寿命的评价指标;以实验设计的优化思想和有限元分析方法对各个影响因素作了排列组合式的实验安排,力求达到量化分析的目的。

Thiry-four medical-surgical wards were randomly separated into an experimental group and a control group in a medical center in central Taiwan by quasi-experimental design, and new staff nurses in experimental group were trained by the preceptors for three months, while the new straff nurses received without preceptors in a control group.

本研究目的在探讨临床护理辅导员制度对新进护理人员工作压力与离职意向之影响。以类实验设计法,将中部某医学中心的内外科病房以随机的方式分为实验组与对照组,实验组为有接受临床护理辅导员辅导之新进护理人员,对照组则无。

Thiry-four medical-surgical wards were randomly separated into an experimental group and a control group in a medical center in central Taiwan by quasi-experimental design, and new staff nurses in experimental group were trained by the preceptors for three months, while the new straff nurses received without preceptors in a control group.

中文摘要本研究目的在探讨临床护理辅导员制度对新进护理人员工作压力与离职意向之影响。以类实验设计法,将中部某医学中心的内外科病房以随机的方式分为实验组与对照组,实验组为有接受临床护理辅导员辅导之新进护理人员,对照组则无。

Thiry-four medical-surgical wards were randomly separated into an experimental group and a control group in a medical center in central Taiwan by quasi-experimental design, and new staff nurses in experimental group were trained by the preceptors for three months, while the new straff nurses received without preceptors in a control group.

以类实验设计法,将中部某医学中心的内外科病房以随机的方式分为实验组与对照组,实验组为有接受临床护理辅导员辅导之新进护理人员,对照组则无。

Plackett-Burman experimental design and the uniform experimental design were used to select the main factors of the ball milling pretreatment of corn stalk. The experimental results were analyzed by data processing software and well-fitted regression equation was established. Effects of ball milling parameters, such as raw material diameter, speed, ratio of raw materials, grinding media and alternating time, on the enzymolysis were analyzed. The optimal parameters of ball milling pretreatment of the corn stalk were as follows: particle size of raw material of 0.5 mm, speed of 340 r/min, the raw material content of 3.4 g, the number of ball of 15 (Ф= 10.0 mm), alternating running time of 5 min.

研究了玉米秸秆水解过程中球磨预处理工艺的优化,采用Plackett- Burman 试验设计和均匀试验设计法,用数据处理软件对试验结果进行分析,筛选出了球磨预处理过程中的主要影响因素,得到了具有较好拟合度的回归方程;通过分析原料粒径,转速,原料填装量,研磨介质,交替时间等球磨条件对酶解效率的影响,得出行星式球磨机粉碎玉米秸秆的最佳工艺参数为:原料粒径0.5 mm,转速340 r/min,原料填装量3.4 g,装球量15个(Ф=10.0 mm),交替运行时间5 min。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力