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work in
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  工作
     Research on Group Communication for Cooperative Work in WANs
     支持协同工作的广域网群组通讯研究
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     A Study of Women's Life and Work in Britain during the 18~(th) and 19~(th) Centuries
     18-19世纪英国妇女的生活和工作状况研究
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     some ViewS on Dam Observation Work in Our Country
     对我国大坝观测工作的几点看法
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     Ideological and Political Work in Enterprise and Systematical Methods
     企业思想政治工作与系统方法
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     Importance of Caring for Individuals in Ideological Work in Universities
     关心人是新时期高等学校思想政治工作的重要内容
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     The wireless communication module based on GPRSGSM network which Wavecom Company produced, work in 900(850 ) / 1800 MHz (1900 ), use high- performance GPRS Clas10 to offer intact 2. 5G GSM/GPRS pronunciation and capacitof data.
     Wavecom公司生产的基于GPRS/GSM网络的无线通信模块,工作于900(850)/1800(1900)MHz,使用高性能GPRSClass10提供完整的2.5GGSM/GPRS语音和数据容量。
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     Study of the CCD spectrometer with the high resolution and folded spectral images 10 times to work in the full 200-1000nm wavelength range
     工作于200-1000nm全波长区的高分辨和多折叠成像谱的CCD光谱仪研究(英文)
     It can work in three operating modes——automatic current control (ACC), automatic power control (APC) and automatic voltage control (AVC).
     LD可以工作于自动电流控制(ACC)模式、自动功率控制(APC)模式和自动电压控制(AVC)模式。
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     Based on the output characteristic of the one-dimension 1inear CCD, the system makes LTC1606 work in control conversion pattern, and synchronously samples the output analog electric signal.
     该系统根据线阵CCD的输出特点,使LTC1606工作于R/-C控制转换模式下来对CCD输出的模拟电信号进行同步采样.
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     PLX9054 can work in two styles: master and slave.
     PCI总线接口芯片PLX9054,可工作于主、从两种方式。
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  工作进
     Explosion and Practice on Ideological and Political Work in Mass Organization
     思想政治工作进社团的探索与实践
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     My Points on Ideological and Political Work in the University Students' Apartment
     对思想政治工作进大学生公寓的几点探索
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     Ideological and Political Work in College Students' Dormitories under the New Situation:Probe and Practice
     新形势下高校思政工作进学生公寓的探索与实践
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     A Probe to Ideological and Political Work in Universities Flats
     高校思想政治工作进公寓的理论探索
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     The Exploitation and Implementation of the Internalization of Ideological and Political Work in High School
     高校思想政治工作进网络的探索与实践
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     Suggestions about Scienology Research Work in Industrial Departments
     关于在工业部门开展科学学研究的建议
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     General Situation of 1982 Earthquake Prediction Work in China
     1982年中国地震预测概况
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     On the Principle of Complementary Virtual Work in the Finite Displacement Theory of Elasticity
     关于有限变形弹性理论中的余虚功原理
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     THERMOREGULATION AND ACCLIMATIZATION TO WORK IN HOT ENVIRONMENTS
     热环境劳动过程中机体的调节与适应
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     A DESIGN OF MICROCOMPUTER PROCESSING SYSTEM FOR THE ACCOUNTING PROFESSIONAL WORK IN THE BANK INDUSTRY AND COMMERCE
     工商银行会计业务微机处理系统设计
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  work in
Smith [11] and Grangeat [5] even derived cone-beam inversion formulas which are the basic work in fully 3-D image reconstruction algorithm and are used extensively now.
      
Analytical expressions for the direct and reverse fluxes of molecular aggregates over the first and second potential barriers of the aggregation work in the presence of spherical and cylindrical micelles in non-ionic surfactant solution were derived.
      
Analytical expressions for the direct and reverse fluxes of molecular aggregates over the first and second potential barriers of the aggregation work in the presence of spherical and cylindrical micelles in non-ionic surfactant solution were derived.
      
The problem of laminar fluid flow in an asymmetric annular gap has been solved in earlier work in an approximation with error difficult to gauge.
      
Application of the principle of least work in problems of the hydrodynamic theory of lubrication
      
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This communication reports the results of a study of the gravimetric deter- mination of lead as normal phosphate, known as Vortmann and Bader method, which has been recently examined by Hubicki and Rys. According to our findings, tartaric acid should be added only when antimony is present. With the addition of tarearic acid unusual large excess of precipitant as suggested by Vortinann and Bader is required for complete precipitation. The suitable pH range for the precipitation of tertiary lead phosphate is 6.5...

This communication reports the results of a study of the gravimetric deter- mination of lead as normal phosphate, known as Vortmann and Bader method, which has been recently examined by Hubicki and Rys. According to our findings, tartaric acid should be added only when antimony is present. With the addition of tarearic acid unusual large excess of precipitant as suggested by Vortinann and Bader is required for complete precipitation. The suitable pH range for the precipitation of tertiary lead phosphate is 6.5 to 10. Below pH 6.5, the precipitation will be incomplete, owing apparently to the formation of acid phosphate(s). Beyond pH 10, no experiment has been made, because no advantage is gained by working in such alkaline media. The concentration of the precipitant in sdlution after reaction should be within 0.00085-0.0033 molar in order to obtain good results. The precipitates may be ignited at any temperature from 650℃ up to at least 900℃. The practice of drying the pre- cipitates at 130℃ to constant weight suggested by Hubicki and Rys should be discarded, since the precipitates still contain noticeable amounts of water after drying to constant weight at that temperature. It is preferred to use the method of precipitation from homogeneous solution. With this technique in practice dense, crystalline and easily filterable precipitates are obtained; and small quantity of lead, as low as 5 mg, may be determined satisfactorily. The effect of presence of some alkali and ammonium salts has also-been studied.

本文報告用磷酸根測定鉛重量法的各種適宜條件。溶液的pH值應在6.5至10之間。過剩沉澱劑在溶液中的濃度應為0.00085——0.0033M。沉澱應在650℃-900℃間灼燒之;如在130℃乾燥,則沉澱內的水份不能完全驅盡。均勻沉澱可改善沉澱的性質,並可测定少至5毫克的鉛。如溶液中無銻,則不必加酒石酸。

Black rot of yam bean has been collected from the market in certain localities of Yunnan Province.The diseased tuber-root is characterized by the black dis- coloration of the interior tissues without conspicuous external symptoms.The evidence at hand indicates that the infection takes place before the digging time, through the dead main tap roots.It is unlikely that it works in the storage. Hundreds of isolations were made from the diseased tuber-roots and one fungus,a species of Pythium,predominated.The...

Black rot of yam bean has been collected from the market in certain localities of Yunnan Province.The diseased tuber-root is characterized by the black dis- coloration of the interior tissues without conspicuous external symptoms.The evidence at hand indicates that the infection takes place before the digging time, through the dead main tap roots.It is unlikely that it works in the storage. Hundreds of isolations were made from the diseased tuber-roots and one fungus,a species of Pythium,predominated.The morphologic and cultural char- acters of this causal fungus closely resemble those of Pythium spinosum,described by Sawada in 1927. Inoculations of yam bean seeds were made by sowing them in soils mixed with pure cultures of the causal fungus.It did not cause preemergence of in- fection several weeks after inoculation.Elongate black lesions were found on the basal stems.The fungus caused neither damping-off nor wilt of young seed- lings. Healthy tuber-roots of yam bean were selected and cleaned.After inserting hyphae and spores beneath the epidermis,they were laid in a moist chamber. Black discoloration of the interior tissues developed in the course of about three weeks.The discolored area enlarged but very slowly.The results of these ino- culation experiments indicate that Pythium spinosum Saw.is very weakly parasitic to yam beans. Occasionally,as might be expected,certain other species of fungi were isolated from the diseased tuber-roots.Among them were found two other species of Pythium,identified respectively as P.irregulare Buisman and P.intermedium de Bary.However,inoculations of tuber-roots of yam bean with these fungi failed to produce the characteristic symptoms. Besides from yam beans,a species of Pythium was isolated from the roots of broad bean(Vicia fabae L.).Despite certain minor morphologic differences,it has been identified as P.spinosum Sawada.However,no cross inoculation ex- periments have been conducted.

(1)在云南昆明的市场上,发现有内部组织变黑、但外表没有显明症状的地瓜块根。这个病害,称为地瓜黑心病。(2)地瓜黑心病的病原菌是一种折倒病菌,定名为 Pytlium spinosum Sawada.(3)这个折倒病菌,侵害地瓜的致病力很弱。它不能使地瓜的种子在未出土前枯死,幼苗折倒和蔫萎。它不能使幼株死亡,仅使块茎的内部组织变色。(4)病菌似乎在大田内经主权或茎端侵入块根,发展很慢,迄今还只在收获的块茎内发现这个病害。

As in general in all time service works, the problem is to obtain and keep an accurate time, to determine the corrections of standard clock and to transmit time signals. This present report is concerned only with the last two items. At Zi-Ka-Wei Observatory, radio method was introduced into time service in 1914. Some rigorous changes occured in 1926, a number of instruments were installed. Many of them are still in use. In 1940, the observatory began to transmit rhythmic signals twice a day. From then...

As in general in all time service works, the problem is to obtain and keep an accurate time, to determine the corrections of standard clock and to transmit time signals. This present report is concerned only with the last two items. At Zi-Ka-Wei Observatory, radio method was introduced into time service in 1914. Some rigorous changes occured in 1926, a number of instruments were installed. Many of them are still in use. In 1940, the observatory began to transmit rhythmic signals twice a day. From then on until December 1950, no further developments were made. The main instruments we had in 1950 were: a 80mm Prin transit with impersonal micrometer, two Leroy pendulums as standard clocks, three astronomical clocks and their slaves, equipments for receiving and recording time signals, etc. Since 1952, we began to make some improvements, especially on rhythmic signals. First, we converted a common clock into a "transmitting clock" to obtain 61 impulses in every minute and second by making use of photoelectric arrangement (Fig. 1), we succeeded to raise the accuracy of our signals. To improve signal accuracy further, we have to deal with various sources of errors which are conditioned by our equipments. The most important among these are: 1. error in prediction of corrections of the standard clocks, 2. error in the adjustment of the transmitting clock and 3. time lag in transmission. In consequence of last three-year's research, these errors are reasonably reduced. The first two are now±0~s.007 and ±0~s.005 respectively and the last is small. Accordingly, the deviation of time signals XSG has been supposed to be±0~s.01. However, this is not enough for the requirement. The more efforts are being made to bring further improvements. But as the requirements for signal accuracy is far above what the present installation can offer, some new equipments are ordered and they will joint in force with the old ones in the nearest future. Since February 1954, Zi-Ka-Wei Observatory has cooperated with the time service departments in Soviet Union. This has been helpful to our works in every way.

授時包括测時、守時和播時三个主要方面。在時號的发播中包含了预報主钟改正量的差误,工作钟的調節誤差和電路遲滯变化等三种誤差。如果使用石英钟及有關设备,这就可基本解决。各台站在其天文观测基础上订定的時號改正數也包含有偶然差和系统差,比較全面解決的只有蘇聯和国際時間局这两个标准系统。徐家匯觀象台授時工作歷史很久,作了一些工作,但抗戰以來,郎停滯不前,直到人民政府接办,才逐步在原有基礎上開展了改進。幾年来主要是改裝了一具工作钟,裝置光電设备以发播科学式時號,對時号精确度解决了秒距誤差和五分间誤差。工作钟的调节誤差被其本身品質所限,仍未解决,只是在加強值班工作之后,有了一定限度的提高,目前約為±0~s.005,在预报主钟改正量時,也有很大程度的不稳定,約為±0~s.007。所以時号的精确度在±0~s.01左右。要进一步提高质量,满足要求,有待於新設備的增添使用。在時号改正數方面,所存在的相當大的系统差,可採用蘇聯或国際時間局系統的改正數來避免。

 
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