Select resistance values for R1 and R2 such that 20 mA flows through each LED.
为R1和R2选择合适的阻值,使得通过每一个二极体的电流都为20毫安培培。
In the test, grain resistance values of wheat, paddy, corn and other kinds of grain were measured.
本试验对小麦、稻谷、玉米等七个品种粮食的粮层阻力值进行测定。
The results show that these defects result in timing failures and even Boolean faults for small defect resistance values.
结果表明,阻性短路产生了时序故障,小电阻缺陷甚至产生了布尔故障。
Table 2-3 summarizes minimum recommended source resistance values for various measurement ranges for a typical feedback ammeter.
表2-3给出了典型的反馈安培计在各种测量范围内最小的源电阻推荐值。
The first and third properties indicate that the resistance values of all elements have increased or decreased with substantially the same value.
第一和第三特性表示基本上随着相同值增大或减小的全部元件的阻抗值。
Through analysis of causes of excess circuit resistance values of the disconnector circuit, it may increase safe operation effect of the devices.
回路电阻是影响断路器运行质量的基本要素之一,通过分析断路器回路电阻值超标的原因,可有效提高设备安全运行的可靠性。
Although there is the kind of instrument inside and outside of the state, not the instrument that provides the resistance values and temperature values at the same time.
虽然国内外有这类仪表,但能直接给出电阻值所对应的温度值的仪表尚未出现。
In many experiments, the test results show that soft film ceiling Table Mingkai reputation in the anti-bacteriological, disease Yan, mildew more than 70% of all resistance values.
在多次实验中,测试结果显示表明凯誉软膜天花在防细茵、病茵、霉变性都在70%以上的抵抗值。
In order to minimize settling times when measuring high resistance values, keep shunt capacitance in the system to an absolute minimum by keeping connecting cables as short as possible.
在测量高阻值电阻时,为了尽量减小建立时间,使连接电缆尽可能地短,以便使系统中的并联电容实际上达到可能的最小值。
A good stability of temperature resistance values at the three-phase point of water is obtained when the thermometers are tested in liquid nitrogen, liquid hydrogen and liquid helium repeatedly.
给出了该温度计在液氮、液氢和液氦中反复锻炼后在水三相点温度时的阻值的稳定性。
A generator is constituted of a potentiometer formed of two resistors where resistance values having large permission values are decided and it is applied to a cellular AMPS network and the like.
该发生器是由以两个电阻构成的分压器形成的,其阻值的公差范围很大。 本发明可用于AMPS移动通信网络之中。
In front of half a million people, she made her first public address, mixing Buddhist values with Gandhian principles of nonviolent resistance.
在50万民众面前,她发表生平里第一次公共演说,糅合了佛教思想与甘地的非暴力不合作原则。
This article provided a new method to calculate the values of resistance between the assigned nodes in simple circuits.
给出一种计算简单电路指定节点之间的等效电阻的方法。
We can calculate the dispersibility of resistance change and get the reliability values of experiment by the fitting curve.
通过此函数关系可计算任意电阻变化量的分散性,进一步求得实验值的可靠性。
The results show that the average absolute value of relative errors between predictive and measured values of hardness is 5.90%, the prediction accuracies of adhesion and impact resistance are 100%.
结果表明:硬度预测值与实验值相对误差的绝对值的平均值为5.90%,附着力预测准确率为100%,耐冲击性预测准确率为100%。
Resistance shall be measured using the applied voltage values of the following table.
阻值将根据如下表格中所施加的电压值后进行测量。
It is immune from the unbalanced status of network and the values of earthed resistance. To the complicated intermittent arc-earth fault, the proposed method also works well.
该方法不受电网平衡情况和接地电阻大小的影响,对复杂的间歇性电弧接地故障同样有效。
After analysing the human body's resistance in detail, the secure current values were put forward, and the useful basis for secure voltage under various conditions was provided.
较详尽地分析了在不同状态下的人体电阻值,为各种条件下的安全电压值提供了依据。
These Q values are limited by the conductor resistance and eddy current loss in the silicon substrate.
这些Q值受到导体电阻和硅衬底的涡流损耗的限制。
The estimating methods of the values of the discharge capacitor and limiting resistance in design of the constant current source are also given.
在恒流源设计上,本文简略给出放电电容和限流电阻的估算方法。
Based on the simulative experiment of the relationship between the values of resistance and current and temperature, the paper presents the theoretical basis for safe application of the quick fuse.
通过对单体和并联快速熔断器电阻值与电流的关系及并联快速熔断器的电阻值与温度的关系进行了模拟实验,给出了实验中有关数据。
Through simulating measured values, the measured distance of zero fault resistance can be estimated.
通过对测量值的线性拟合,能估计出过渡电阻为零时的测量距离。
The setting schemes of the resistance coefficient and the least trip differential current for the current differential protection based on sampled values using fault component are discussed.
论文根据上述分析设计了基于故障分量采样值差动保护、故障分量相量差动保护、常规电流差动保护和零序电流差动保护自适应的保护方案。
When the battery capacity is large, its internal resistance is small and the error is small for the values measured by different models of voltmeter.
当电池容量大时,其内电阻小,不同类型电压表测得开路电压值的误差就小。
The comparison between measured and calculated values generally shows the same trend and the downgoing resistance of plunger increases with flow rate in both cases.
结果表明,现场测试值与计算值总体趋势相同,柱塞的下行阻力都随流量的增加而增大,现场测试值与公式计算值基本相符。
Cross Talk between parallel Microstrip lines due to Electric Field coupling for different R-C values Compared with weak coupling and zero source resistance assumption in the culprit circuit.
弱耦合及干扰源为零电源电阻与其他情况下平行微带线间电场耦合之串音比较。
Resistors are circuit element having specified values of resistance support; and these wire-wound resistors are generally used when it may be necessary to dissipate considerable heat.
电阻器是具有特定电阻值的电路元件,当可能需要大量散热时,通常使用绕线电阻。
Finally, a comprehensive evaluation on drought resistance of different cultivars was given according to subordinate function values analysis.
最后,通过隶属函数法综合评价被试品种的抗旱节水性。
Finally, a comprehensive evaluation on drought resistance of different cultivars was given according to subordinate function values analysis.
最后,通过隶属函数法综合评价被试品种的抗旱节水性。
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