下限

The lower and upper flammability limits for SiH4 in NF3 are 0.66% and 95.3%, respectively.

在NF3中的硅烷的可燃下限和上限分别是0.66%和95.3%。

It has many virtues,such as small volume, large capacity, small cut size and high floatation speed.

它具有体积小、处理能力大、有效浮选粒度下限小以及浮选速度快等优点。

Hasinger and his colleagues have combined XMM and Infrared Space Observatory measurements of the Lockman Hole, putting a lower limit— 15percent—on the AGN contribution to the infrared background .

而哈辛格等人结合了洛克曼洞XMM和红外线太空观测站的测量结果，为AGN对红外背景辐射的贡献订了15%的下限。

In case of bigger air capacity,vacuum value in vacuum can lower than lower limit a long time ,If the pump cannot meet demand,other of pumps will automatic start ,until to run over upper limit Two vacuum pumps may be changed for manul start and stop

如因工作需求气量较大，真空罐内真空度低于下限值超过一定时间，而单向真空泵不能将罐内真空度抽至下限以上时，另一台真空泵将自动启动，直到超过上限。

The 19" rack mountable unit features ATI's patented "thrust circuit for a chest-hitting, punchy bottom end. With its dual channel design, the API 2500 is set up for stereo compression, but can also be used as two separate units via a single compression setting.

19&机架安装单元的功能配备双通道设计的ATI独创的&推力的胸部电路打，昏昏欲睡的下限。，空气污染指数2500年设立，是立体声压缩，但也可以作为两个单独的单位使用的通过单一压缩设置。

More experimental data of condensation heat transfer coefficient, especially ones obtained at some determined pressure of mixtures and concentration of noncondensable gases, are required in order to make a data bank. Therefore, the experiment is arranged for steam-air condensing on the outside of a horizontal smooth tube, and 405 data have been obtained for the pressure of the bulk mixture covering 0.1～0.5bar and the mass fraction of air 0.3%～10.0%.

得到了一些重要结论，尤其是首次得到了&同样含量的空气对压力较高的混合气体冷凝换热的削弱作用较小&、&蒸汽侧冷凝换热系数近似与空气质量成分的对数成正比关系&、&空气含量的增加对蒸汽侧冷凝换热系数的影响随壁面过冷度增大而减小&及&管内冷却水流速取值范围的上、下限随管外蒸汽侧空气含量的增大而减小&等结论，并验证了在本文实验范围内&蒸汽侧冷凝换热系数与相同温度下纯净饱和蒸汽凝结换热系数的Nusselt理论预测结果的比率随壁面过冷度增大而减小&的数值分析结论〓。

M, wide linear range (0.78μM~0.50 mM) and short response time (within 7 s). Other oxidable amino acid would make little interference signals in the cysteine detection.

此外该电极对半胱氨酸的检测有低的检测下限(0.26μM)和短的响应时间(7s内)，其他可氧化氨基酸在测量电位下对半胱氨酸检测几乎不产生干扰信号。

A new method that formaldehyde in air is collected in canister, preconcentrated through 3-stage traps and analyzed by GC/MS is introduced in this paper. Characters such as detection limit, veracity, stability and region of linear response are investigated.

本文研究了采用SUMMA罐采样，三级冷阱预浓缩，GC/MS分析室内空气中甲醛的方法，并考察了该方法的检出下限、准确度、精密度、线性响应范围等方法特性。

The detection and quantification limits of scutellarin obtained were 0.28 mg/L and 0.93 mg/L, respectively.

野黄芩苷的质量浓度采用高效液相色谱进行离线测定，得到的检出限和定量测定下限分别为028 mg/L和093 mg/L，日内和日间精密度分别为1.7%和3.6%，平均加标回收率为98.3%。

By the calculated results of quantitative PCR, the TCK DNA of positive samples was so little that it is under the limit of detection.

根据定量PCR监测结果分析，罹病植株体内病原菌的侵染菌丝体数量DNA含量极低，低于常规PCR的检测下限约100x。

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。