metal negative
英 [ˈmetl ˈneɡətɪv]
美 [ˈmetl ˈneɡətɪv]
头版（唱片模版）
双语例句
- The active metal in the aluminum alloy thermostat housing and radiator are the negative electrodes or anodes.
在铝合金制的冷排和调温器内的活性金属是负电子或者正电子。 - The first soft metal layer and the second soft metal layer are correspondingly plated on the contacts of the positive pole and the negative pole of the dry battery.
第一软金属层和第二软金属层是对应镀在干电池的正电极的触点上及负电极的触点上。 - At the top and bottom were metal plates hooked to a battery, making one positive and the other negative.
小盒子的顶部和底部分别连接一个电池，让一边成为正电板，另一边成为负电板。 - Nowadays, such metal as steel has been widely used as tube material, but the corrosiveness of secondary refrigerant ( glycol water) to metal tube has negative effect on the long-term stability.
目前，钢材等金属材料由于其具有较高的热导率而被广泛地用作盘管材料，但乙二醇溶液对钢等金属的腐蚀性会对盘管工作的长期稳定性产生严重影响。 - Taking into account that the total amount of metal was fixed at 1.0 g in each run of the activity test, increasing Co con-tent in Ni-Co-B alloy has positive effect and negative effect on its catalytic activity.
由于催化测试中金属总量固定为1.0g，因此增加Ni-Co-B中Co的含量具有正负两方面的效应。 - The main results were as following: ( 1) Metal ions like Ca2+ Mg2+, K+% Na+ have negative effects on antimicrobial efficacy of protamine.
食品中的Ca~（2+）、Mg~（2+）、K~+、Na~+等金属离子对鱼精蛋白抗菌活性影响较大，且呈负面影响。 - Lithium metal is the most promising anode material because of its most negative normal electrode potential and the highest specific energy.
金属锂具有最负的电极电位和最高的金属比容量，是最有前途的负极材料。 - Development of Mischmetal-Based Metal Hydride as Negative Electrode Material with Lower Price Used for MH/ Ni Battery
镍氢电池用廉价稀土储氢合金负极材料的研制 - In general, the electrodeposition of metal ions depends mainly upon their electrode potentials. However, in a solution of mixed metallic ions, sometimes there occurs preferentially deposition of metals with more negative electrode potential.
一般说来，金属离子的电沉积基本上决定于金属与相应离子的电极电位，但是在混合离子溶液中有时会遇到电极电位较负的金属优先析出的异常现象。 - Using two kinds of form nickel positive plate, membrane and metal hydride negative plate, 2/ 3D size MH/ Ni batteries with different charge discharge rate property were produced, the technological parameters and process path were introduced.
给出了使用点焊和端面焊导电极耳的泡沫镍正极板，然后与隔膜及金属氢化物负极板组装2/3D型金属氢化物/镍（MH/Ni）电池的技术参数和工艺过程。 - In addition, applying the developed algorithm we computed the wide band scattering by a metal object coated with double negative material. The result shows that double negative material coating can greatly reduce the RCS for backscattering in wide band.
最后，计算了金属目标覆盖双负介质时的宽带散身，结果表明双负介质覆盖层可以在宽频段内减小金属目标的后向RCS。 - The presence of oxidants, reductants and high valence metal ions, such as Fe~ ( 3+) and Al~ ( 3+), could reduce the stability of the pigment, while food additives and low valence metal ions had no negative effect.
日光直射、碱性环境、氧化还原剂以及高价金属离子（Fe3+和Al3+）对茶梅花色素稳定性影响较大.但食品添加剂、低价金属离子对色素色泽无不良影响。 - The effect of surface modification of metal hydride negative electrodes by chemical treatment and electroless Ni plating on activation and electrochemical capacity were investigated.
本文用化学处理和化学镀镍对金属氢化物的表面改性处理，初步讨论和分析了这些处理对金属氢化物电极的活化和容量等性能的影响。 - The results indicate that metal treatment may increase low-temperature pumping viscosity, results in the formation of more carbon deposit and lacquer film. Metal treatment ( MT) may cause negative effect to the engine.
结果表明，金属处理剂MT会增加润滑油的低温泵送粘度，也会导致积炭和漆膜的增加，会对发动机的使用带来不良影响。 - The positive adjustment has the positive scores in achievement value, achievement motivation and metal health, and the negative score in problem behavior;
良好型的儿童，在学业自我评估、学业动机和心理健康水平三个水平上的得分为正向，在问题行为上的得分为负； - Third, waste metal dismantling industry also has negative influence on the environment of Taizhou.
第三，废旧五金拆解业也对台州的生态环境造成了一定的消极影响。 - Usually this parameter is obtained with the method of additional capacitor or metal grounding. However, the former is complicated and the additional capacitor has negative effects on measurement results, and the later is dangerous when used in testing.
通常采用附加电容法和金属接地法进行测量和计算，但前者测量方法复杂，并且附加电容对测量结果的影响较大，而后者试验中又具有一定的危险性。 - A solid state reserve cell which was manufactured by using gel polymer electrolyte membrane containing water as positive electrode active material, active metal, like lithium, magnesium as negative electrode had been researched.
研究了一种固态贮备电池，采用含水的凝胶聚合物电解质膜作为正极活性物质，锂、镁等活泼金属作为负极。 - Sucrose, salt, sodium benzoate and most of metal ions had no negative effects on the stability of the pigment, but Fe3+ 、 Fe2+ 、 Cu2+ 、 Pb2+ and Sn2+ accelerated the pigment degradation.
食品基质蔗糖、食盐，防腐剂苯甲酸钠及多数金属离子对该色素的稳定性无不良影响，但Fe3+、Fe2+、Cu2+、Pb2+、Sn2+对色素具有不利的影响。 - In particular, this thesis selects a not commonly used kind of metal "indium" as the solder, and designs a single layer thick negative photoresist lift-off method and the specified reflow temperature curve aiming at the indium ball fabrication.
特别地，本文选用金属铟这种不常用的焊料完成焊接，并针对铟球的制备设计了单层厚负胶剥离方法和专用的回流温度曲线。 - Magnesium as the anode material of metal fuel cells has received broad attention because it has the advantages of high specific energy, high Faradic capacity, and more negative standard oxidation potential.
Mg作为金属半燃料电池的一种阳极材料，具有高比能量，高法拉第容量和较负的氧化电位等优点，而引起了广泛的关注。 - Hysteresis responses are different between metal conductors and insulators. 3. In sinusoidal electric field detection, there is no hysteresis phenomenon between positive and negative process curves.
金属导体和绝缘体的迟滞反应有所区别。3.正弦电场探测时，没有正反行程曲线迟滞现象出现。 - The working principle of the plate roller leveler is that a group of the upper and lower staggered arrangement working roller imposes on the metal plate, makes the plate multiple alternating positive and negative direction elastic-plastic bending deformation, so as to achieve the purpose of leveling plate.
辊式板材矫平机的工作原理是通过一组上下交错布置的工作辊对金属板材施加载荷，使板材发生交变弹塑性弯曲变形，从而达到矫平板材的目的。 - Metal belongs to the dispersion medium and exist greater absorption due to the properties of negative refractivity in infrared to ultraviolet range.
而金属不同于普通介质，属于强色散媒质，其在红外至紫外频段范围呈现负介电常数的特性，存在较大的吸收。 - In this paper, the high-frequency properties of ferromagnetic metal/ Al2O3composites were studied, and the frequency dispersion of its permittivity and permeability was analyzed. The mechanism of both negative permittivity and negative permeability was also explored.
本文主要研究铁磁金属/氧化铝复合材料的高频性能，分析其介电常数和磁导率频散特性，探索其呈现负介电常数和负磁导率的规律。 - Western-blot method for detection of Bax to Bcl-24 species of metal alloys were added to extract the metal alloy of human gingival fibroblasts in culture medium containing 10% calf serum DMEM culture medium as a negative control.
Western-blot方法检测Bcl-2和Bax将4种金属合金浸提液分别加入人牙龈成纤维细胞的培养液中，以含10%小牛血清的DMEM培养液作为空白对照。 - In a word, metal ions has a negative impact on thermal stability of emulsion explosives, such as reducing the activation energy of emulsion explosives, accelerating thermal decomposition, reducing burst point, and increasing thermal sensitivity.
结果表明：金属离子的加入对乳化炸药的热安定性具有消极影响。降低了乳化炸药的活化能，加速了炸药的热分解进程，使其爆发点降低，热感度提高。 - The perforated metal structure can excite the SPP mode on its surface and have unique optical properties, for example: enhanced optical transmission ( EOT), optical antenna, negative refraction, enhanced fluorescence etc. Today it has become one of the research hot topics.
金属孔结构可以激发表面等离极化激元产生独特的光学性质。如：透射增强、光学天线、负折射材料、荧光增强等。日前表面等离极化激元是科学界研究的热点方向。 - Reducing catalyst should possess the following conditions: simple operation, low cost, environmental friendly, uniform distribution of the metal particles obtained, good dispersion, and having no negative effect on the carrier.
进行催化剂还原应具备以下特点：操作简单，成本低，环保、不对环境造成危害，获得的金属颗粒分布均一、分散性好，不对载体产生负面影响。