不过太阳能技术也有自己需要克服的难点，由于太阳能极易转换为热能和电能，但是将这两种能源达到一定能量密度的储存，并将其应用于交通等应用领域却非常困难。
But solar presents its own challenges, since it's most easily converted into heat or electricity, and we can't store either of these at a high enough density for USES like transportation.
针对先进纳米铜互连技术的要求，研究了脉冲电流密度对铜互连线电阻率、晶粒尺寸和表面粗糙度等性能的影响。
Aiming at the technology demand of advanced copper interconnection, the effect of pulse current density on cu layer properties such as resistance, crystal size and surface roughness were investigated.
在本试验条件下，对富贵鸟鹤蕉从栽培密度、有机肥、氮肥、磷肥、钾肥等栽培技术措施进行研究。
Under the condition of experiment, study the measures of cultural technique from Cultivation density, Organic is fat, Nitrogenous fertilizer, Phosphate fertilizer, Potassium fertilizer and so on.
胶件密度、机械强度、硬度、耐介质系数等性能指标均达到技术要求。
The density, machinery intensity, hardness and medium resistance index of the rubber products meted the technology requirement.
在以氢和天然气为主的车用燃气的存储技术中，吸附存储材料以其密度小、吸脱气体速度快等优点使吸附存储成为一类极具发展潜力的存储技术。
Among the storage technologies of automotive fuel gases (hydrogen and nature gas), adsorption storage is a promising technology for the low density and fast desorption of adsorption storage materials.
通过栽培时间、密度及肥料施用等栽培技术的试验研究，寻找地膜洋葱在当地取得高产的途径。
The experiment was conducted to find the approaches of realizing high yield of onion by optimizing transplanting time, density and fertilizer application.
基于电压源逆变器（V S I）的静止无功发生器（SVG）直接应用PWM控制技术，具有结构紧凑、易于控制、谐波含量小以及功率密度大等优点。
VSI-based SVG using PWM technology has some advantages such as compact structure, simple control, little harmonics and high power density.
矩形窄缝通道轴向非均匀加热临界热流密度试验研究的关键技术包括试验本体设计、试验技术、试验数据处理等，而试验本体的设计是试验研究能否正常开展的关键。
Test section design, test techniques and test data processing are one of the key technologies of test research of CHF for non-uniform axial power shapes in rectangle narrow channel.
实验表明该技术具有结构简单紧凑、易于组装、数据处理密度高和抗环境干扰等优点。
It is shown that the technique is simple and compact in construction, easy to align, capable for high data density and insensitive to environment.
为了使爆胎充气点火引信的电源满足小型化、高能量密度和使用周期长等技术要求，以P ！ 5a4为材料设计了一种压电陶瓷电源。
In order to meet the demand of the smart, high energy density and long lifetime for the burst blow ignition fuse, a type of piezoceramics power supply made of P-5A4 material is designed.
作为实现微弧氧化技术关键的电源设备，其电参数，如电压、电流密度、脉冲频率、脉冲占空比等参数对膜层的质量有着极其重要的影响。
As power is the critical equipment of micro oxidation technology, its parameters, such as voltage, current density, pulse frequency, have a very important impact on the quality of the film.
该公司获得专利技术，进口设备、采用具有钢性大，耐磨性及耐环境压力等特点的高密度聚乙烯树脂生产200升环型塑料桶。
The company has imported advanced equipment and can produce 200-litre annular barrel by using high density polyvinyl resin which is of high rigidity and abradability and can bear ambient pressure.
随着油田勘探开发的深入，各种超深井、水平井、厚套管井、超低密度水泥等工艺的应用，给固井质量评价技术提出了新的要求。
With the exploration and exploitation of oilfield deepening, application of the techniques for all kinds of super deep Wells, horizontal Wells, thick casing Wells and ultra low density cement, etc.
嵌入式无源元件技术能够实现对电容、电感等无源元件在印刷线路板内部的嵌入式封装，从而节省线路板表面空间、提高封装密度。
The embedded passive technology can save the real estate on the surface of the printed-circuits-boards (PCBs) by embedding the capacitors and inductors inside the PCBs.
该技术具有生物流失量少、生物密度高、反应迅速且容易控制等优点。
Immobilization technology has the advantages of less loss of microorganism, high concentration of microorganisms, fast reaction, and could be controlled easily.
原子吸收光谱（AAS）检测技术是现今较常用的一种微量元素分析测试手段，具有仪器价格便宜、精密度好、干扰水平低、线性范围宽等特点。
The atomic adsorption spectrometry (AAS), which has the merits of low cost and detection limit, good precision and accuracy, and wide linear range, has been widely applied in trace analysis.
结论：利用密度梯度离心和贴壁筛选的方法可以分离hmsc，联合应用免疫细胞化学、细胞化学和电镜等技术手段鉴定HMSC的方法有效。
Conclusion The HMSC can be isolated with density-grad centrifugal and anchoring screening. The method to identify HMSC with immunocytochemistry, cytochemistry and electron microscopy is effective.
结论：利用密度梯度离心和贴壁筛选的方法可以分离hmsc，联合应用免疫细胞化学、细胞化学和电镜等技术手段鉴定HMSC的方法有效。
Conclusion The HMSC can be isolated with density-grad centrifugal and anchoring screening. The method to identify HMSC with immunocytochemistry, cytochemistry and electron microscopy is effective.
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