hz

Inhibitor HZ 1 was synthesized by the reaction of amine and alkylogen.

通过采用胺类和卤代烷反应,合成出在盐水及泥浆介质中具有较好缓蚀效果的缓蚀剂HZ-1.

Meanwhile, the major features, working principles and use condition of the 0.1 Hz tan δ measuring and voltage withstand testing devices imported from Austria Baur Co. are introduced.

同时介绍从奥地利BAUR公司引进的0.1Hz tanδ测试和耐压试验装置的主要性能、工作原理以及使用情况。

Two kinds of design show more noise reduced below 1000 Hz, one is the air-in filter with only one expand chamber, and the other is with the Helmholtz resonator.

通过对比分析，最终选择了在1000Hz以下的低频消声性能相对较好的两种设计方案：单扩张腔式空气滤清器和Helmholtz共振腔式空气滤清器。

The frame rate is then 60 Hz.

这时,帧速率为60赫.

The horn drones , apparently , at 233 Hz , with harmonic atHz, 932 Hz , and 1864 Hz.

这种喇叭发出的嗡嗡声,表面233HzHz, Hz 与Hz的“和谐陪音”.

The design and application situation about HZ type dust proof airtight cover is introduced.

简要介绍了HZ型防尘密闭罩的研究设计和工程应用情况.

Evaluation of Hearing Threshold of Lower Frequency in Deaf-mute Children With 40 Hz AERP and Its Influence on Sleeping

40Hz听觉相关电位评价聋哑儿童低频听阈及睡眠对其影响的探讨

The horn drones, apparently atHz , with harmonic at 466 Hz , 932 Hz , and 1864 Hz.

这种喇叭发出的嗡嗡声,表面Hz466Hz, Hz 与Hz的“和谐陪音”.

In Europe, AC is usually generated at 50 Hz.

欧洲的交流电输出频率通常为50赫兹。

The result of sequence analysis indicated the virus isolated from Trifolium repens was AMV, tentatively called AMV-HZ.

序列分析表明从白三叶草上分离得到的病毒为AMV，命名为AMV-HZ。

Methods ABR and 40 Hz AERP were detected and compared in 401 deaf children ( age under 6-year-old).

方法对6岁以下401例聋儿进行ABR和40Hz AERP测试并进行比较。

The frequency of the test tone was 300 Hz.

测试声为300赫.

Motion sensed by the body mainly in the 0.5 HZ ~50 HZ frequency range.

身体所能感知运动的频率范围通常在0.5赫兹到50赫兹之间.

A measure of sound intensity equivalent to one decibel at 1000 Hz.

一种声强的量度单位,其值等价于1000Hz1分贝.

To eliminate the interference of 50 Hz alternating current, a digital high-pass filter is designed.

设计了用于抗50Hz工频干扰的数字 高通滤波器 .

Effects of 50 Hz Sinusoidal Magnetic Fields on Cell Superoxide Production Rate and Cell Proliferation; adjustable sine conducting magnetic jig

50Hz正弦磁场对细胞超氧产率及细胞增殖的影响

Web site of Srsnet. You could download RichWin Chinese System to read GB , BIG 5 , HZ Chinese.

四通利方的网站, 不能阅读中文的朋友可以下载四通利方中文系统.

Results The leq ( A) did not exceed about criterion in polystyrene machine, rest room, control room, whereas most sound levels were distributed below 200 Hz by frequency analysis.

结果测量发现聚苯乙烯造粒机、聚乙烯造粒机、休息室。控制室的A计权网络的等效声级均未超过有关的标准，而频谱分析则发现其主要的声强级均分布在200Hz以下。

Types of Transmission and Reception: Transmission-Voice and 150-Hz squelch tone.

类型传送和接收: 在传输声音和150赫兹压服口风.

A frequency of one million megahertz, 10000? 200 Hz.

一百万兆赫(兹)频率, 即10000? 200赫(兹).

The Research of Marketing Strategy of HZ Stock Certificate Consultation Company

HZ证券咨询公司营销策略研究

Analogue bandwidth is measured in Hertz Hz, cycles per second.

类比式频宽以赫兹测量每秒的传送周期.

HZ Results ⑴ All the statistical parameters and average factor scores of each item were all significantly higher than the normal group ( U test, P < 0.01).

结果⑴三资企业男、女劳工SCL-90各统计指标、各因子平均分均高于国内常模（U检验，P<0.01）。

Collectively, these waves are called'The Schumann Resonance � � , the current strongest at 7.8 Hz.

总体上, 这些波动被称为“舒曼谐振”, 目前最强的振动为7.8赫兹.

Compared with its domestic and overseas counterparts, QLT 17 possessed superior processability and physical properties, such as tensile strength of 13.8 MPa, elongation rate 653% and dielectric constant 2.2 at 50 Hz.

与国内外同类树脂相比，QLT17具有优良的物理性能和加工性能，拉伸强度为13.8MPa，断裂伸长率为653%，介电常数（50Hz）为2.2。

In order to increase the reliability of the excitation system for large turbogenerator and improve its response, a 70 KVA, 3,000 rpm and 400 Hz rare earth-cobalt permanent magnet ( REPM) generator has been built as a pilot exciter.

为了提高大型汽轮发电机组励磁系统的运行可靠性和响应速度，我们研制了一台70千伏安、400赫芝，3000转/分的稀土永磁发电机，作为副励磁机。

The spectrum level of microseismic noise tends to peak at about 1 / 6 Hz.

微震的噪声谱在1/6赫趋于峰值.

The horn drones , apparently Hz, with harmonic Hz , 932 Hz , and 1864 Hz.

这种喇叭发出的嗡嗡声,表面HzHz, Hz 与Hz的“和谐陪音”.

1 Hz horizontal and 4 Hz vertical transducers are used at many stations as supplements.

1赫兹的水平向换能器和4赫兹的垂直向换能器也当作附件用于许多台站.

Bench top power supply may have a high 50 Hz leakage current even when turned off.

台式电源供应器会有较高50Hz的漏电流产生﹐无论开关电与否.