查询词典 experiment

The study and development of design type of experiment by using EDA technology is the effective way for reform tradition experiment teaching model on digit circuit,it can help students know and master method and skill of modest circuit designing.

1传统数字电路实验教学模式改革的迫切性实验教学在高等工科院校的教学过程中，与理论教学具有同等重要的地位。

In the single crystal of C60 with a FCC structure,positron mainly appears outside the C60 molecule.The main annihilation space is the interspace between molecules.The calculated positron bulk lifetime in C60 is 352ps, which agrees with experiment value of 356ps in literature.In carbon nanotube bundles with different dimeters,as the diameter of carbon nanotubes increases,the main space where positron appears changes from the interspace of carbon tubes to the space inside carbon tubes,the radio between positron annihilation with valence eletrons and core eletrons becomes larger,the positron bulk lifetime in carbon nanotube increase rapidly first and come to be a constant at the end.The calculated positron lifetime of carbon nanotube with a dimeter of 0.8～1.6ns is 332～470ps,which agrees with the experiment value of 394ps.Positron annihilation has been studied in widly used compound semiconductors.

计算结果表明：在片层结构的石墨晶体中，正电子主要在石墨层间的空隙中湮没，计算出的石墨中的正电子寿命为208 pS，与文献中的实验结果215 ps符合很好；在金刚石单晶中，正电子主要在碳原子之间的空隙中存在并发生湮没，计算出的金刚石中的正电子寿命为115 ps，文献中的实验结果110 ps左右符合；在面心立方结构的C60晶体中，正电子主要在C60分子球壳内外侧及分子之间存在，C60球形分子中心正电子分布很少，正电子的湮没区域集中在C60分子之间的空隙区域，计算出的C60中的正电子寿命为352 ps与文献中的实验结果356ps相符合；对于不同管径碳米管束中的正电子分布，随着碳纳米管直径的增加，碳纳米管束中的正电子由主要在碳纳米管管间的区域出现转变为主要在碳纳米管管内中心的区域出现：碳纳米管束中的正电子与碳原子的价电子的湮没概率变得越来越大，与核心电子的湮没概率变得越来越小；碳纳米管束中正电子的湮没寿命先迅速增大，而后趋于一定值。

Soil microbial biomass and activities of invertase and urease all tended to decrease after pot-culture experiment, while the correlations between these biochemical properties and field ages were similar to those before this experiment, suggesting that rice cultivation without fertilization consumed part of soil microbial biomass, decreased soil enzyme activities correlated with C and N transformation, and affected soil nutrients status disadvantageously.

温室盆栽试验之后，水稻土的微生物生物量及酶活性与利用年限之间的关系规律和种植水稻之前基本一致，且整体上又趋于下降，即无施肥条件下种植水稻转化利用了土壤部分微生物生物量，并减弱了与碳氮转化相关酶的活性，对保持水稻土的营养水平造成不利影响。

The conventional rock electricity experiment get the irreducible water saturation with centrifugation,we think it is higher than its actual value.At present,we think the irreducible water saturation that get from mercury intrusion method is accurate.In view of the disadvantages of mercury intrusion method,we analysis the effect of bark of bluish dogbane and correct the experiment data,finally get reasonable data.

常规的岩电实验用离心法得到的束缚水饱和度普遍以为其偏高，目前以压汞法得到的束缚水饱和度为准，本文考虑压汞实验的弊端，深进分析"麻皮效应"对计量结果的影响，对压汞实验数据进行校正，得到了较为公道的实验数据。

Delayed choice experiment raised by J.A.Wheeler was extended from quantum double slit experiment,and it concludes that:our present behavior can affect the past.

惠勒提出的延迟选择实验是量子双缝实验的一个扩展，它给出了一个特殊的结论：我们现在的行为对过去产生了影响。

And those collision cross sections may be determined by fitting the simulation results from experiment data. At first, we calculate the effective ionization coefficients/N and drift velocity Ve of pure gas to determine collision cross sections in this paper, and the calculated results are agreement with the experiment data.

本文首先建立单一气体电子崩发展的蒙特卡罗模拟方法，用得出的电子崩参数与实验结果比较的方法，计算单一气体的/N和漂移速度Ve，并与实验数据比较，以确定碰撞截面的准确性。

Considering the limitation of the shock experiment of a drop hammer, a shock simulation experiment platform is used to test the shock characteristics of isolators.

针对落锤冲击试验的不足，提出了减振器冲击特性的模拟台测试方法。

Compared with the shock experiment of the drop hammer, the experiment method accords with the principle of shock isolation, and hence the shock testing results are better reference parameters for the engineering application.

相比落锤冲击试验而言，本测试方法符合冲击隔离原理，因而测试结果对于工程应用具有更好的参考价值。

The rats of experiment 1 group and experiment 2 group were given chicken egg albumin by intraperitoneal injection,...

实验组1、实验组2腹腔注射鸡卵清白蛋白，对照组则注射生理盐水，2周后给予CRD行AWR评分以评价肠道的敏感性；实验组2在扩张前腹腔注射肥大细胞膜稳定剂色甘酸钠30ml/kg。

According to study on UV-Vis opitical property、qualitative antibacterial experiment 、quantitative antibacterial experiment of anatase nano-TiO_2 and antibacterial powder (adulterated by Ag ion and Ce ion) we turned out that antibacterial powder's diffuse reflection spectrum obviously Einstein shift which makes it can absorb more visible-light. Not only irradiated by UV-light but also irradiated by visible-light antibacterial powder both possess photocatalytic capability, which brought new functions that improve latex's quality.

通过对锐钛型纳米二氧化钛和抗菌粉等光催化纳米材料的UV-Vis光学分析、定性抗菌试验、定量抗菌试验的研究表明，复合掺杂银、铈等稀土离子的锐钛型纳米二氧化钛，其UV-Vis漫反射光谱明显红移，大大加强了它对可见光的吸收能力，因此除了在紫外光为光源的条件下具备光催化能力，在普通光源条件下也具备光催化能力。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？