直向光性 的英文怎麼說
中文拼音 [zhíxiàngguāngxìng]
直向光性
英文
orthophototropism-
Moke and fmr studies were performed on epitaxial single crystalline fe ph. d thesis ; investigations of magnetic properties on magnetic thin, ultrathin and patterned films ultathin films on iii - v semiconductor inas substrate with thickness of 8 - 25monolayer ( ml ). the major findings are listed below : ( 1 ) the in - plane magnetic crystalline anisotropy of film with 8 - 25 ml thick are four - fold anisotropy, and the in - plane unixial anisotropy of fe / inas films decreses faster with thickness than that in fe / gaas films. it could be explained that the stain relaxation of fe / inas films is also faster than that in fe / gaas films as indicated by leed
對于外延生長在inas襯底上、厚度為8 - 25ml的超薄fe單晶膜進行了鐵磁共振和磁光研究,獲得以下幾點結果: ( 1 )膜厚在8 - 25ml之間時,薄膜面內的磁晶各向異性為四度對稱各向異性,垂直單軸各向異性比同厚度的fe gaas系統小許多,而立方各向異性則比fe gaas系統更接近bcc結構的fe 。Moke and fmr studies were performed on single crystalline fe ultathin films epitaxially grown on iii - v semiconductor gaas substrate with thickness 4. 1 - 33 monolayer ( ml ). a theoretical mode for fitting fmr experimental data was established. the results demonstrated the structures and reproduced the evolution of the magnetic properties of ultrathin films with various thickness from the state of superparamagnetic nano - cluster through coexistence of two magnetic phases to continuous film, especially the change of magnetic crystalline anisotropy from unixial to cubic
1 - 33原子層厚度( monolayer ,簡稱ml )的fe單晶超薄膜進行了鐵磁共振( fmr )和磁光研究,建立了理論模型對鐵磁共振實驗結果進行了模擬,重現了不同厚度的超薄膜,從納米團簇到兩相共存的過度階段直至連續薄膜結構與磁性的變化,特別是磁各向異性從單軸各向異性向立方各向異性轉變的演化過程。In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed
無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景,本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上,研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置,進行了串聯閥電路的設計和模擬,完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程,並進行了裝置的實驗調試。Whether the seeding absence alarm device works well or not is mainly decided by anti - dust condition of seeding absence monitoring sensor. it had been analyzed the factors affecting the anti - dust performance of optoelectronic sensor. double - way laser reverse direction sensor has been made ( anti - dust index access to 0. 95, while the index of the led only reach 0. 5 around )
本研究從器件、結構、放大電路等多方面分析了影響光電傳感器抗塵性能的因素,製作了雙路激光逆向直射傳感器(根據本文提出的量化方案抗塵指數可達0 . 95 ,一般led光電傳感器為0 . 5左右) 。Gravitropism is very important for plant to take up the water, mineral ions and to harvest light, which are necessary for growth and development
植物向重力性反應對其生長發育有著重要的生理作用,直接影響到植物體從外界獲得水分、礦物質及光能等生長必需物質。This paper investigates the pressure sensitivity of an interferometric fiber - optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer based on the theory of elastic mechanics and finite element method ( fem ) and then investigates its harmonic frequency and vertical directional property using fem, and verifies all the results derived from theoretic analysis at last
本文分別基於彈性力學的理論和有限元的方法對含彈性增敏層的同軸干涉型光纖水聽器基元的聲壓靈敏度進行研究,並基於有限元的方法對其諧振頻率和垂直指向性進行分析,最後用實驗對各項分析結果進行了驗證。Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices
用光的輻射和強度理論,我們計算出了獲得足夠圖像強度所需的最少光源;用圖像分割理論,我們在試紙條傾斜放置或有垂直方向上的偏移時,準確地提取出了各模塊的數據;用平滑濾波和均值濾波理論,我們濾除了由於反應不均勻及硬體設備不穩定帶來的噪聲;用交遇區設計線性分類器的方法,我們降低了有限樣本設計線性分類器帶來的誤差,提高了檢驗準確度。This value - direction means that schooling should face the fact of life existence and take responsibility by self identity ; that schooling should care for life as the basic performance by the ontological precondition of “ life ”, that schooling should cultivate an individual who has an active life existence and filled with the energy and soundness, and that schooling should self reform wholly and profoundly and promote the growth of life by the constructive way this value - direction reflects the demands of transition and the individual life
這一取向,意味著當代中國學校教育要直面生命存在的事實,以「自我」的身份承擔自身的時代責任:以「生命」為本體論前提,以積極的關懷作為基本的行為方式;以培育具有積極的生存方式、富有生命活力的健康的個體為己任;以整體的、深層次的眼光進行自我改造,以建設性的方式促進生命的成長。The analytic result derived by studying the vertical directional property shows that, the vertical sensitivity distribution is homogeneous and the fluctuation is 0 db in theory. the fluctuation observed in experiments is less than 0. 3db, which agrees well with that in theory
垂直指向性分析結果表明,光纖水聽器垂直方向的靈敏度分佈是均勻的,理論上波動應為0db ,而實驗測得的垂直方向的指向性波動小於0The papers and technical reports about the oil tank foundation treatment shows that in our country abundant experiences have been built up in dealing with the soft clay foundation, while there were few cases for sand foundation. analyzing the geological condition, the author proposed that the foundation soils at shuguang pump station belong to high - permeability sand layers
根據曙光泵站地區的地質條件,論文認為該區主要是一套以高透水性的砂類土為主的地層,粘性土層較薄且富夾薄層粉細砂,地基土的水平向與垂直向排水條件良好。So the mirror and mechanical part can be fabricated in a one - level mask step by bulk micromachning of ( 100 ) with koh etching. we can on off the light path and switch the light exchange by controlling the movement of mirror
本論文使用傳統的koh腐蝕液,利用硅材料的各向異性的特點,加工出了垂直於襯底表面的微鏡結構,利用這種微鏡結構可以完成光線的切換,實現光路的開關功能。While the death star was forced to orbit a target world before firing its superlaser and annihilating the planet, the galaxy gun fired giant, high - yield explosive projectiles into hyperspace
與死星在超級激光聚能並開火毀滅目標行星之前要首先進入並環繞該行星軌道不同,銀河之槍直接向超太空發射出巨大的,高能量爆炸性的發射彈。Hydrogenic impurities in low dimensional semiconductor structures have been studied extensively. electric field applied perpendicularly to the layer of quantum wells can change the optical properties ( abstraction, reflection and photoluminesce - nce ) of semiconductor quantum well structures
而在垂直於量子阱平面的方向外加電場可以顯著的改變半導體量子阱結構的光學性質(如吸收、反射、光致發光等) 。And we test how the laser ' s intensity changes with time through six kinds of cofe2o4 ionic magnetic fluid when laser has the same direction as the magnetic field ( be perpendicular to the magnetic fluid film )
用相消法設計了測試磁光效應一一透射光強的裝置,測試了光線與外磁場方向一致(都垂直於磁性液體薄膜)的情況下,透過六種cofe 。 0 。The optical bloch equation of a v - type three - level atom embedded in dielectrics is derived. because of the vacuum anisotropy induced by the presence of the dielectrics, quantum interference between the two decay channels can still be generated in spite of the two dipole moments of the atom are orthogonal to each other
推導了介質中一個v型三能級原子的光學bloch方程,由於介質所誘導的真空的各向異性,即使此v型三能級原子的兩電偶極矩互相垂直,依然能夠產生量子干涉。Main research content including : 1 ) have studied a same diameter shaft, study how to make use of the change of natural frequency to discern the transverse crack
本文主要的研究內容包括: 1 )以最簡單的等直徑光軸為例,研究了利用固有頻率的變化來識別光軸上橫向裂紋的可行性。For the first time, an integrated waveguide turning mirror ( 1wtm ) in soi was put forward and realized. using anisotropic etching technology with koh solution, the mirror surface was very smooth with root square roughness only 5. 19nm, and the mirror was vertical to the wafer surface because of the crystalline relationship
論文首次設計並製作了soi上集成波導式轉彎微鏡( iwtm ) ,利用硅的koh各向異性腐蝕特性製作出的微鏡表面非常光亮,均方根粗糙僅為5 . 19nm ,並且由於鏡面是腐蝕出的晶面,其與晶片表面非常垂直。Abstract : by means of rds detection system, slight difference of reflectance coefficients for samples can be measured in two mutually vertical directions on the plane of the sample under approximately perpendicular incident condition, this is known as in - plane optical anisotropy
文摘:利用rds測試系統,可以在近垂直入射條件下,測量出樣品的反射系數在樣品平面內兩個互相垂直的方向上的細微差異,即所謂平面內光學各向異性。( 6 ) the treatment of wastewater containing triazophos using uv, uv - h2o2, uv - fenton ( fe2 + ), uv - fenton ( fe3 + ) were tested under the conditions with and without aerating air. the result showed that photooxidation can improve the biodegradability of this type of water ; the removal rate of cod improved markedly by aerating air. both uv - fenton ( fe2 + ) and uv - fenton ( fe3 + ) the removal rate of cod was reached above 80 % after treating 120 minutes, distinctly higher than uvand uv / h2o2
( 6 )在直接光氧化和向水體充入空氣的光氧化條件下進行了uv 、 uv - h _ 2o _ 2 、 uv - fenton 、 uv -類fenton四種工藝處理含三唑磷廢水的實驗研究,結果表明:光氧化處理改善了含三唑磷水樣的可生化性;曝氣使處理效果顯著提高; uv - fenton 、 uv -類fenton兩種工藝的處理效果較好,處理效果達到80左右,遠高於另外兩種工藝的處理效果。The transfer of the carrier in photoconductor is anisotropy owing to the column structure of the film is anisotropy. on the basis of the new concept suggested in this paper, the maximum diffusion length in the lateral direction of the photo - carrier in the photoconductor ( which is related to the resolution of lclv directly ) as function of conductivities of both in lateral and normal directions in the film can be obtained as the expression as following. the nc - si / a - si : h photoconductor of lclv deposited and crystallized at low temperature of exactly 250 c stack column structure by al inducing a - si : h
本文根據柱狀結構存在各向異性的特點,並根據半導體物理知識,推出光導層光生載流子橫向最大擴散長度(該擴散長度與液晶光閥光導層解析度直接相關)與薄膜橫向和縱向電導率關系的表達式為:由於a - si : h在al金屬的誘導作用下在不高於250的溫度下即開始晶化,本文對用金屬al誘導非晶硅晶化制備的nc - si a - si : h薄膜進行研究。分享友人