空载

Using high quality silicon steel plates, its low loss and noise unladen small.

采用优质的硅钢片，其空载损耗低及噪音小。

Of a vehicle, ship, or aircraft travelling unladen or with less than a full load

空载的，轻载的少量的而易消化的

According to the requirements of economic operation transformer if capacity choices too small will cause transformer overload operation may lead to transformer burned; choice if too much capacity a "big Kumaratunga car" phenomenon can not make full use of transformer capacity unladen loss increase .

根据变压器经济运行的要求，如果容量选择太小，会引起变压器超负荷运行，可能导致变压器烧毁；如果容量选择太大，出现"大马拉小车"现象，变压器容量不能充分利用，空载损耗增加。

Moreover,it is necessary to improve non-load magnetization characteristic of medium voltage transformer and choose the one with superior volt-ampere characteristic in design and manufacture process.

同时，在产品设计制造时应着力改善中压互感器的空载励磁特性，选择伏安特性优越的中压互感器。分析结果为改进产品设计、提高制造工艺水平和优化运行维护提供了科学依据。

Verifies the voltage wave, electrical current vuive and output power wave of asteroidal magneto, and the veracity of parameters by a series of experiments. The experimental result demonstrates that the error is less than 10% between theoretic value and actual value.

3通过一系列实验验证了星形磁电机空载电压波形、电流波形、短路电流倍数、输出功率等波形和参数的准确性，实验结果表明，理论与实测值相差不到10％。

Airborne bathymetric lidar system has proved to be cost-effective for mapping coastal waters.

空载透水光达测深系统能够有效快速的测得沿岸海底地形，然而其作业成本十分昂贵。

Hydraulic forces applied on the agitator are simplified as a main moment and a main force on the agitating shaft, Initial decentration of agitator is determined based on the balance standard. The dynamic responses, such as fluctuating bending stresses and dynamic deflections, of the agitating shaft under no-liquid and normal working conditions are studied.

将搅拌器上的流体作用力简化为一个主矩和主矢；为考虑作用在搅拌轴上的惯性力效应，根据平衡精度预设搅拌器的初始偏心；在转子动力学软件ROTOR中建立搅拌轴的梁盘模型，分别计算了搅拌轴在空载和搅拌工况下的动力响应，并进一步讨论了动力响应与工作转速、轴径和轴长的关系。

Top quality hydraulic pump with welded construction,Hard 菌 chrome plated pistion and pump plunger ensuer durability and corrosion resistance.

液压缸体为优质钢焊接而成，柱塞杆、泵芯镀硬铬，耐磨、耐腐蚀。安全阀过载保护。超高强度货叉结构具有满载慢降、空载快降功能。

The PSCA_3 fragment was selected for its superior expression level in eukaryotic cells.Then the sig-PSCA_3-Fc-GPI genetic fragment was cloned into pVAX1-neo-IRES-GM/B7 vector to construct the final immunological inhanced DNA vaccine pVAX1-PSCA_3-FcGB. Immunofluorescence and flow cytometry were used to confirm the expression of PSCA_3 fragment by transfected into Cos7 cell.Finally,the anti-tumor effect of pVAX1-PSCA_3-FcGB was tested in murine prostate cancer model generated by RM-1 cell line.The animal was immunized with pVAX1-PSCA_3-FcGB DNA vaccine by intramuscular injection plus electroporation,pVAX1 and pVAX1-PSCA_1-FcGB plasmid were used as control.The inhibitory effect of tumor was investigated by observion of forming time,volume and inhibition ratio of tumor.Results:DNA sequencing conformed that the heterological PSCA fusion antigen fragment which was synchronized by overlapping-extending-PCR,was consistent to design.Enzyme digestion analysis showed that the 1 to 4 copies heterological PSCA fusion antigen fragments were constructed successfully.

方法(1)检索GenBank，选择包含人主要T细胞抗原表位序列的人PSCA基因片段，应用异种化抗原设计技术，保留人T细胞抗原表位，设计异种化PSCA融合抗原片段；(2)根据核酸序列按中心模板法设计引物，应用重叠延伸PCR技术拼接合成异种化PSCA融合抗原片段基因，以PCR、限制性酶切和DNA序列测定法进行鉴定：(3)利用DNA限制性内切酶BssHⅡ和MluⅠ酶切后粘端互补的特点，采用同尾酶法构建1—4拷贝异种化PSCA融合抗原片段(PNCA_1-PSCA_4)，并将上述片段分别插入真核表达载体pCI-neo-Fc-GPI中，转染293T细胞，借助免疫荧光+流式细胞术考察插入片段表达效率，最终选定PSCA_3片段进行下一步研究；(4)将sig-PSCA_3-Fc-GPI基因片段自pCI-PSCA_3-Fc-GPI质粒上切下，插入pVAX1-neo-IRES—GM/B7载体中，构建免疫增效DNA疫苗pVAX1-PSCA_3-FcGB，并应用转染Cos7细胞+免疫荧光/流式细胞术方法鉴定其在真核细胞中的表达情况；(5)给8周龄雄性C57BL/6小鼠皮下种植RM-1细胞，制备小鼠前列腺癌模型，并采用股四头肌肌肉注射+电脉冲法(Electroporation，EP)接种DNA疫苗质粒pVAX1-PSCA_3-FcGB，同时接种pVAX1空载体质粒和pVAX1-PSCA_1-FcGB质粒作为对照，通过观察计算免疫动物的成瘤时间、肿瘤体积和抑瘤率，来评价该DNA疫苗在小鼠体内的抑瘤效果。

In the chapter 7, a new type of highly reliable and multifunctional hydroturbine microcomputer-based governing system is studied and developed; the structure design principle of microcomputer-based system is described and discussed; based on the adaptive control strategy with optimized PID parameter, a combined control strategy of frequency and phase with variable weighting factor is presented; in the design of hardware and software, the fault diagnosis, fault tolerance and fault avoidance techniques are adopted, and the suitability and reliability are greatly improved.

第七章研究开发了一种新型的高可靠多功能水轮机微机调节系统，论述了微机系统的结构设计原理，在适应式PID参数优化调节控制策略的基础上，提出了机组空载运行时的变权系数频率和相位综合控制策略；在微机调节控制器的硬软件设计中，全面应用了故障诊断技术、容错处理和避错处理技术，大大提高了整个系统的适应能力和可靠性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。