组合频率

Choline and folic acid deficiencies could induce cell death in human lymphoblast cell line, and 6 μmol/L CC and 120 nmol/L FA was the optimal combination for keeping the lowest level of APO and NEC in human lymphoblast cell line.

胆碱与叶酸不足可诱导人成淋巴细胞株细胞死亡，6 μmol/L氯化胆碱及120 nmol/L叶酸是维持体外培养的人成淋巴细胞株APO及NEC频率在最低水平的最适组合浓度。

This dissertation introduces the whole scheme、the hardware electro circuit design and software design, the result of experiment on salinometer is preferred at the end of the dissertation. Salinometer is base on SOPC technology, and use digital technology to design circuit: the excitation source for balance bridge is generated by digital method, its shape、amplitude and frequency can be control by digital signal, the standard branch of bridge is composed of three digital-analog-conversion, and uses the method of successive approximation to regulate the balance of bridge.

盐度计以SOPC技术为基础，通过数字化方式设计测量电路：电桥的激励源由数字化方式产生，激励源的波形、幅值和频率等可由数字量控制；平衡电桥标准支路由3个数模转换器组合实现，测量时以逐次逼近的方式调整电桥的平衡度；检测电桥平衡度的高灵敏度数字检流计同样以数字化方式设计，它的增益由程序控制，将电桥的输出电压数字化，以软件判断电桥平衡度。

Atomic resolution is achieved by frequency shift image for rutile TiO_2 (001) surface of pentahedron quantum dot in vertical route, spherical cap quantum dot in superposition s1 route and combination quantum dot in combination route scanning along [110] direction.

得到非接触原子力显微镜在金红石TiO_2(001)面五面体、球缺和组合形状量子点表面沿[110]方向扫描的原子级分辨率频率位移图像。

A DPC ( 300 ) includes: a frequency source ( 310 ) for generating a clock signal; a delay line ( 320 ) for receiving the clock signal and generating phase-shifted clock signals at output taps; a digital control device ( 330 ) for generating a control signal; and a windowing and selection circuit for generating the output signal, that includes sequential logic devices ( 500, 510, 520 ) and a combining network.

DPC(300)包括：频率源(310)，用于产生时钟信号；延迟线(320)，用于接收时钟信号并在输出抽头产生相移时钟信号；数字控制器件(330)，用于产生控制信号；以及开窗口与选择电路，用于产生输出信号，包括：时序逻辑器件(500、510、520)和组合网络。

The location of sound hole has slight effect on the pitch.

四、音孔位置与对音高亦有些微影响，在相同组合面积的条件下，开放与气窗同侧或相邻的音孔，会产生较低的频率。

The general syntonic frequency of the serial geophones is between 8Hz and 40Hz.

不论在淤泥、沼泽地或埋石松散的沙地里，都能提供良好的地表耦合，该系列检波器的通用谐振频率从8Hz至40Hz，适宜单只或组合串使用。

The simulation data generated contains the information of drug-drug interaction. In addition, the frequencies of the objective events in the simulation data can undulate by the serial of time.

该方法产生的海量模拟数据含有联合用药的信息，数据中的目标药物－事件组合在不同时段出现的频率可以呈一定趋势波动。

Study on glutenin subunits,GMP content and their relationships with(T.aestivum L.)With the analysis of high and low glutenin subunits of common wheat(Triticum aestivum L.)in China,the correlations between glutenin compositions,glutenin macropolymercontentand breadmaking quality were studied.Also a rapid and efficient detection method of geneticpolymorphism at Glu-D1y loci in wheat was established using polymerase chain reaction.

分析了100份小麦农家品种和241份育成品种的高、低分子量谷蛋白亚基的组成以及有关的品质性状，研究了高分子量谷蛋白亚基频率的变化，用单向一步SDS-PAGE的方法分离LMW-GS，并对我国小麦品种进行初步分类；在亚基水平上研究了不同的亚基或亚基组合对品质性状的影响；在聚合体水平上研究了谷蛋白大聚合体的含量与其他烘烤品质性状的相关性及其在面包体积预测中所起的作用；在基因水平上利用PCR技术研究了1D染色体上控制y-型谷蛋白亚基的Glu-Dly位点基因的多态性。

As a case in this study, there is a non–representative PK duality model which adopts the least squares method or even the Monte Carlo method to estimate their parameters. Using yield frequency analysis to recommend fertilization, only a group of P and K coenobium, the sixth treatment, meets the conditions of goal yield.

对Monte Carlo法也不能得到典型式的晚稻磷钾非典型肥效模型，用产量频率分析法计算推荐施肥量，表明只有一组磷钾肥用量组合入选，导致磷肥推荐用量偏高而钾肥偏低。

Due to the difference on the environmental climate characteristic, climate variables selected, number of records sampled, averaging means and compoundable ways, there are 3 types 26 VPD calculation methods which were widespreadly used for estimating evapotranspiration around the world.

众多蒸发散量估算方程式中涉及VPD之计算，由於地域性气候环境背景特性、气象因子选用考量、取样资料频率多寡、资料平均方式及资料组合方式等之不同，目前遂有超过三十种以上VPD计算式，广为国内外著名机构或学者推荐在世界各地应用。

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。