步量

The first step of lacquer-reaping is to "cut an opening," which is done by taking the bark off the lacquer tree.

割漆的第一步是"放口"（剥开树皮，这遍刀渗出液含漆量低，不收漆），7天以后可以开"头刀"，头刀口子较小，约为2公分宽、6公分长。

In order to speed up the convergence speed, the each one step of the Landwber iteration is discomposed into the matrix computation and solution and a quick iteration scheme is given for the matrix computation. The relevant accelerated algorithm is given too. Numerical example proves that the accelerated algorithm can quicken convergence speed, reduce the calculation burden, and overcome the obstacle of application of Landweber method of iterated regularization.

为了加快Landweber迭代收敛速度，将每一步Landweber迭代分解为矩阵计算和求解，对矩阵计算部分设计了一种快速迭代格式，并给出了相应的加速算法，通过数值实验验证了这种算法能够大大加快收敛速度，有效的减少计算量，解决了Landweber迭代正则化方法在实际应用中的障碍。

The MMD is capable of providing a minimum divider step half of that in conventional MMD. Therefore, a reasonable frequency resolution and better system performance can be obtained.

这个多模数除频器能够产生的最小除数步阶量只有传统架构的一半，因此，它能提供一个合理的频率解析度和较佳的系统表现。

The PS3 is hideously expensive--it goes for up to $600--and Sony manufactured only a piddling few hundred thousand for the U.S., fewer for Japan. Plus it's hard to write games for; the launch titles were lame. You know you're in trouble when you get beat by something called a Wii.

PS3现在令人望而郤步的昂贵价钱，差不多$600美元（即$4200左右港纸），而现在SONY，只小量生产了十万多台给美国，甚至更少给日本市场，加上开发游戏困难，现在只有微量己发售游戏助阵等等，现在「Sony」己陷入极大困难之中，尤其当你正在给一台名叫「Wii」的游戏打击。

The suitable synthesis conditions were defined as follows: the molar ratio of DCPP and resorcin was 2.1:1;the dosage of catalyst made by myself was 1.5% of the amount of the resorcinol;the first reaction temperature was 120～130℃,the reaction time was about 60min,the second reaction temperature was160～170℃,the reaction time was 60min,the third reaction temperature reaches to 210～220℃ for removing the unreacted phenol and superfluous DCPP.

确定了反应的最佳工艺条件：DCPP和间苯二酚的物质的量之比为2.1：1；使用自制的催化剂，用量为间苯二酚质量的1.5％；起始反应温度为120～130℃，反应时间约为1h；第二步反应温度为160～170℃，反应时间约为1h，最后把温度升到210～220℃除去残留在产品中的苯酚和过量的DCPP，产品收率约为92.0％。

High technology,through the image process of inner weld seam temperature distribution to identify the tolerance between the arc center and skelp joint gap accurately and timely.

利用彩色摄象机做为温度传感器，采用热模拟技术，CAGD高新技术，通过对内焊缝背面温度场分布情况进行图象处理，从而准确、及时地识别出电弧中心与板缝合口的偏差量，经步进电机随时调整。

Apply color camera as a temperature sensor,adopt heat analog technology,CAGD etc. high technology,through the image process of inner weld seam temperature distribution to identify the tolerance between the arc center and skelp joint gap accurately and timely.

摘 要 利用彩色摄象机做为温度传感器，采用热模拟技术，CAGD等高新技术，通过对内焊缝背面温度场分布情况进行图象处理，从而准确、及时地识别出电弧中心与板缝合口的偏差量，经步进电机随时调整。

The MTT assay was used to detect the viability of cells. Flow cytometry and laser confocal microscopy were used to identiyfy the cell cycle and apoptotic morphology after cells treated with LAO. RESULTS: An L-amino acid oxidase was successfully purified from the venom of bungarus fasciatus.

结果： 通过两步层析法从金环蛇毒中分离得到L-氨基酸氧化酶，L－氨基酸氧化酶的表观分子量通过SDS-PAGE测定约为60 kD，通过凝胶过滤测定分子量为70 kD.L－氨基酸氧化酶作用于HUVCE细胞12 h后，细胞的生长明显受到抑制，L－氨基酸氧化酶作用的半数抑制量为2.8 mg/L。

In this paper, the generator model of constant transient voltage and the invariableness impedance model was used, and the saliency of generator is included; through the analysis of the characteristic of the network equation calculation in the transient stability analysis, a new node ordering algorithm is proposed. Better initial value can accelerate the convergence rate of the networking equations, reduce the number of iterations, thus to cut down the amount of calculating time.

本文首先建立了适合于暂态稳定分析的简单模型，其中发电机采用E_q恒定模型，考虑了发电机的暂态凸极效应，负荷采用恒定阻抗模型；研究了电力系统的暂态稳定分析方法，指出目前数值积分暂态稳定计算方法中存在的不足，主要是网络方程的求解速度过慢；分析了暂态稳定计算中网络方程的特点，将稀疏技术应用于网络方程的求解，提出了一种新的节点编号方法——最小度最小有源节点道路集算法，减少了网络方程的计算量；在进行交替迭代求解时，将预测算法应用于每一积分步网络方程功角和电压的初值估计当中，应用自回归算法和广义延拓算法，期望给出一个更有效的电压和功角初值方案，来加快方程的收敛过程，减少方程迭代的次数，以提高计算速度。

The direct synthesis of dimethyl carbonate from methanol and carbon dioxide using another basic catalyst, potassium methoxide in the presence of CH〓I as a promoter was investigated.

除了用甲醇于二氧化碳合成DMC以外，我们又对以甲醇与尿素为原料合成DMC的路线进行了尝试，筛选出了两个离子液体Et〓NHCl-FeCl〓和emimBr-ZnCl〓作为用甲醇与尿素为原料合成DMC的高效催化剂，研究了各种反应条件如原料的比例、催化剂的添加量、反应的温度等对反应的影响，得到了所报道的在间歇釜中经一步反应合成DMC的最高产率（27％和26％左右）。

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。