positive signal 中文意思是什麼
positive signal
解釋
正極性信號-
The distribution of the brine shrimp hgcs varies greatly from the species studied till now. one hour after hatching, neither the dorsal - anterior area nor the other dorsal area remained positive immunoreactivity signal. and 2 hours after hatching, there was no typical hgcs in the body of the brine shrimp and the remained hatching enzymes may participate in digesting the left vitellin in the nauplius
鹵蟲hgc最初出現至孵化前1h時均為全身性分佈，從孵出到孵出后2h ，頭鹵蟲孵化酶的生物化學性質及孵化腺細胞的免疫組織化學研究部的孵化酶顆粒已經減少，而變為非全身性分佈，到孵出后sh ，孵化酶顆粒已基本消失殆盡。 -
Flow cytometry measurements were done to detect the changing of fluorescent signal of the reporter strain and give expression situation to ybt indirectly. 7 eaggec hpi - positive strains revealed an enhanced fluorescence signal but 1 eaggec hpi - negative did not so
3n ） ，將待測eaggec菌株的培養上清加入該報告菌株培養物中，用流式細胞術facs方法檢測報告菌株熒光強度的變化情況，間接反映ybt的表達與否。 -
The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊，當開關管接收控制信號脈沖列（經調制的spwm波列）導通時，在低頻調制信號的正半周或負半周內，施加在變壓器繞組上的是同一方向的電壓，變壓器磁芯中的磁通可能將級進地逐漸增加，導致磁芯飽和，造成磁偏或單向磁化，導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。 -
The positive-going signal subtracts from the forward bias of the lower transistor.
正向信號則使它的正向偏壓減弱。 -
The expressed product was lysised with supersonic wave and purified by sds - page. elisa analysis revealed that the antigenicity of the vpi protein has been detected. the forth part - detection of aev - nh937 strain by in situ hybridization ( 1sh ) - probe was labelled with digoxigenin ( dig ). then the probe hybrid with 5d, 10d, and 20d postinfection brain tissue of chicken. the results of the ish showed that the positive signal was found in 3 cases, while control group was negative. there has been a reasonable correlatien between this method and other detection test
經超聲波裂解，用尿素溶解包涵體，電泳純化后，利用elisa檢測vp _ 1外殼蛋白，表明具有一定抗原性；第四部分：應用原位雜交檢測aevi用dig標記的探針與sd 、 10d 、 20d的攻毒雞腦組織雜交，來檢測那v的rna 。 -
Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment
本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。 -
Quorum - sensing systems can be divided into two paradigmatic classes : luxi / luxr - type quorum - sensing systems in gram - negative bacteria which produce acyl - homoserine lactone ( ahl ) autoinducers, and oligopeptide / two - component - type quorum - sensing ciruits in gram - positive bacteria which produce autoinducing peptide ( aip ) autoinducers. in contrast to the two paradigmatic quorum - sensing systems, vibrio harveyi produces and responds to an ahl - type autoinducer termed ai - 1 and a novel signal molecule named ai - 2
Qs系統可分為兩種典型的類型，即革蘭氏陰性細菌的luxi luxr型qs系統，革蘭氏陽性細菌的寡肽雙組分型qs系統，分別以酰基高絲氨酸內酯（ acyl - homoserinelactones ， ahl ） 、寡肽（ autoinducingpeptide ， aip ）為信號分子。 -
The system, based on 89c51, has two stages of sampling and holding circuits, which can discriminates positive - going edge and negative - going edge of signals, providing signal peak information
如果以橫坐標為信號道址、縱坐標為道址對應的計數率，可以得到一條核輻射譜線。 -
2. we studied the relationship between the locking bandwidth and the injected signal light intensity and verified that the locking bandwidth is asymmetric. the negative frequency detuning is larger than positive frequency detuning
實驗證實了鎖頻范圍是不對稱的，負失諧范圍大於正失諧范圍，並且注入功率越大，鎖定范圍越大。 -
The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system
（ 4 ）夏季南亞高壓東西振蕩具有明顯的年代際變化特徵，本文分別討論了對應於10年周期態的正位相年和負位相年及25 - 30年周期態的正位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵，發現無論是10年周期態還是25 - 30年周期態，對于夏季南亞高壓東西振蕩的正位相年和負位相年以上各要素場呈現為很好的反位相特徵，說明夏季南亞高壓的年代際變化與氣候系統中其他要素的年代際變化具有很好的關聯性，可將南亞高壓看作氣候系統中大氣子系統異常的強信號，通過分析南亞高壓的年代際異常可以更直接地研究和預測區域氣候異常。 -
In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection
針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題，論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上，提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據，並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。 -
To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。 -
Also, we select the signal collecting circuit of three output polars, the coupling circuit using capacitance and resistance, the alternating amplify processing circuit, the positive feedback retardation comparsion, the driving circuit of output current and the stabilization voltage supply circuit
選擇了insb磁阻三端輸出型信號採集電路，阻容耦合型交流放大電路，正反饋遲滯型電壓比較器和大電流推挽驅動電路及穩壓電源電路。 -
Positive probe was made from the floral meristem materials cultured for 5 days and 10 days with hormones by rna reverse transcription and labelling with radioactive dctp ; two negative probes from uncultured explants and it cultured for 5 days and 10 days. then, we did calculating signal arrays, sequencing, sequence analysis and alignments on genebank etc. finally 229 different ests were got from the cdna library
用在含有外源激素的培養基上培養5天（花分生組織開始形成）和10天（花分生組織已基本形成）的風信子外植體為材料，構建起cdna文庫。利用cdnamicroarrray技術，經過雜交篩選和est分析序列分析，最終從cdna文庫中獲得了229個不同的外源激素誘導響應的基因序列。 -
In this paper a kind of interferometric optical fiber gyroscopes based on mach - zehnder interferometric principle is proposed. the signals of this novel optical fiber gyroscope transmit along the positive direction, which avoid the interferometric noise, causing by the negative - directional scattering light and reflecting light, and the kerr effect noise. in this novel optical fiber gyroscope the light power ' s utilization efficiency is high, the output signal is strong
本文提出一種基於mz干涉原理的干涉式光纖陀螺，該種光纖陀螺的光信號採用正向傳輸，避免了後向傳輸光對光源的影響，也避免後向散射、反射光帶來的相干噪聲以及光學kerr效應噪聲，光功率利用率高，輸出光信號大。 -
Among sequenced 16 positive clones randomly selected, two represent novel expression tag sequences, two are homologous to two unknown proteins in genbank ; the rest are homologous to known or putative proteins or enzymes with definite functions by searching the genbank through blast program, which are involved in various life activities of cell such as regulation of gene expression, plant secondary metabolism, signal transduction, adversity resistance, stress response and defense reaction. significant changes of quantities of these gene fragments were observed before and after ssh, which indicated they were enriched after ssh
隨機挑選了16個差異表達的克隆進行序列測定，經與genbank數據庫相關數據比較分析，發現有2個新的cdna片段（ ets ） ，有12序列與genbank中已知蛋白或推測蛋白質（ putativeprotein ）序列有高低不同的同源性，它們參與基因的表達調控、植物的次生代謝、信號傳導、抗逆、應激及防禦反應等細胞生命活動過程。 -
The results showed that pcr applify a 485 specific molecular band in 672 individuals, the rate of positive reaction is 60 %, southern blot result shows a strong signal in transgenic fish. it is concluded that hu - - ifn gene has been integrated and expression. it is also that foreign gene integrating position and copy number is different individuals, by elis a detecting, 23. 5 % transgenic fish " were detected hu - - ifn gene expression in all 672 transgenic fish, but expression level of hu - - dfn is significant difference in different individuals and growth period
2000年共顯微注射32197粒草魚受精卵，出苗12945尾草魚魚苗，經孵化培育最後獲得1120尾五寸左右草魚，對1120尾草魚提取血液總dna進行pcr和southern雜交檢測， 2000年轉導的草魚的pcr檢測結果，有672尾草魚即600k轉化個體的總dna能擴增出一條485kb的特異分子帶，說明轉化個體整合有huj ifn基因，經southern雜交進一步證實，轉入的抗病相關基因己在轉基因草魚體內染色體上得以整合，但整合位點沒有固定區域，整合的拷貝數存在較大差異。 -
Mr yang added : " this is an extremely positive signal for the group pointing to strengthened supplier relationship and a more dynamic drive to grow our business in a much faster pace.
楊氏補充：集團與供應商的緊密關系對集團發展極之有利，他們的支持使集團能以更快的步伐擴展業務。 -
Whether the gene was transformed into the arabidopsis was confirmed by pcr - southern blotting, southern blotting and northern blotting. 1. pcr - southern blotting showed that all kanamycin - tolerant plants had strong positive signals, and no signal was shown in wild type plants
Pcr結果擴增出1 . 4kb的特異性條帶，表明sod2已整合進擬南芥中， pcr - southern進一步證實了pcr結果的正確性。 -
Evans visit to china comes on the heels of the us - china joint committee of trade ( jcct ) meeting in washington where evans and china s vice premier wu yi discussed the importance of compliance to avoid disputes and amplify the positive signal it sends to investors and other trading partners
在華盛頓舉行的會議結束不久。在美中商貿聯合委員會會議期間，埃文斯和中國副總理吳儀討論了遵守有關規定以避免爭端以及加強向投資者和其他貿易伴發出積極信號等問題。
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