n n的例句大全

Studies on the effects of N-P-K on the growth of new varieties of Azolla and the technique of fertilization

绿萍新品种的营养特性及其施肥技术的研究

Presents an algorithm for determining the convex hull of a finite set of points in a plane. The algorithm requires O ( n) multi-plications and O ( nlogn) comparisons.

提出了一种求平面有限点集凸壳顶点的算法，并分析出该算法的时间复杂性是线性次乘法和O（nlogn）次两个数的比较。

Effects of Graphite Target Current on Microstructure and Mechanical Properties of Ti ( C, N) Multilayer Film

石墨靶材电流对Ti（C，N）多层膜微观组织及力学性能的影响

It gets range error and speed error by analyzing stored N-times sampling target echo waveform.

距离-速度二维波形分析数字动目标跟踪是通过高速采样存储N次雷达脉冲回波信号，在MTD处理（如FFT）后，分析回波波形信息获取目标的距离和速度误差而进行自动跟踪的。

It is possibly because oil in the target clamber forms carbon foil on the CCD surface and contaminates the X ray CCD. This foil filter absorbs more rays with N band than those of O band.

其原因可能是X射线CCD受到靶室油沾污，在表面形成了碳膜，对N带吸收较多。

The lowest N zero frequencies are added to the acoustic target information.

频域声学目标增加了前N个零点频率；

This special group is called Task Group 802.11n ( TGn).

这个特殊的组命名为802.11n任务组（TGN）。

Double-strand scission of human tumour cellular d n a by bleomycin a_2b_2 and a_5

博莱霉素A2B2和A5对人癌细胞脱氧核糖核酸的断链效应

Measures to Prevent Train Derailment and Calculating Theory of Safety Coefficient N for Resisting Derailment

预防列车脱轨措施及抗脱轨安全系数N的计算理论

This Paper, on the basis of introducing the concept of carleson measure on unit complex super-ball of c ￣ n, discusses some relations among Bergman Kernel, Bergman space and Carleson measure on B_n.

本文在引入Cn中单位复超球Bn上的Carleson测度这一概念的基础上，研究了Bn上的Bergman核、Bergman空间以及Carleson测度三者之间的联系。

The N-fixation content of "N11"," N12", "P14-2" also maintain on a higher level, the total nitrogen increases by 30% or so.

N11、N12和P142菌株固N量也维持在较高水平，全N含量增加30%左右；

The elongation at break and tear resistance of the PLA/ PBAT 90/ 10 blend were 25% and 13.5 N/ mm, respectively.

PLA/PBAT90/10共混物的断裂伸长率为25%，撕裂强度为13.5N/mm。

Based on the MLE. of N, t he interval estimation and test statistics of N are given.

并在极大似然估计的基础上给出了N的区间估计及检验统计量。

Test Pattern generation for single stuck at fault in N bit adders is discussed.

针对单个stuck－at故障，研究了N位加法器的测试矢量生成问题。

Statistical simulation study on the test program of P-S-N curve

P-S-N曲线试验方案的统计模拟研究

Determination of n-paraffins in test of molecular sieve dewaxing

分子筛脱蜡评价实验中正构烷烃含量的测定

LPR N testing valve is the main valve for testing drill stem of APR tools, of which the key role is to make true the close and open of well during testing period.

LPR N测试阀是APR工具测试管柱的主阀。其主要作用是实现测试中的开关井。

Synthesis of N, N-Dimethylaminoethyl Acrylate Catalyzed by Tetrabutyl Titanate

钛酸四丁酯催化合成丙烯酸二甲氨基乙酯

N-doped TiO2 photocatalysts were prepared by calcinations of the hydrolysis product of tetrabutyl titanate with saturated urea solutions in ambient atmosphere at different temperature.

以饱和尿素溶液水解工艺制备TiO2煅烧前驱体，在前驱体中引入掺杂氮源，于400~700℃的空气气氛下煅烧2h，制得淡黄色的掺氮TiO2光催化剂；

N-doped Ti02 nanocrystallites were prepared by mixing tetrabutyl titanate and urea in ethanol, then calcined at a certain temperature and time.

以钛酸丁酯为钛源，与尿素混合制成含氮前驱体，在空气中一定温度和时间退火处理制备氮掺杂的氧化钛纳米晶。