crystallization control 中文意思是什麼
crystallization control
解釋
控制結晶- crystallization : n. 晶化，結晶（作用，過程）；結晶體；具體化，明朗化。
- control : n 1 支配，管理，管制，統制，控制；監督。2 抑制（力）；壓制，節制，拘束；【農業】防治。3 檢查；核...
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( 2 ) l - cystine, tyrosine, dl - aspartic acid, l - lysine were used as soft - templates to regulate and control the crystallization of caco3. the effects of different amino acid to the growth of caco3
（ 2 ）分別以l一膚氨酸、 l一酪氨酸、 dl一天冬氨酸、 l一賴氨酸作為軟模板，分別研究了其對碳酸鈣晶體生長的影響。 -
4. the magnesium ions, l - cystine, tyrosine, dl - aspartic acid, l - lysine, and the mixed system of magnesium ions and amino acid were used as effective soft - templates to regulate and control the crystallization of caccb, respectively
以鎂離子、 l -胱氨酸、 l -酪氨酸、 dl -天冬氨酸、 l -賴氨酸以及它們的混合體系為模板，研究了其對碳酸鈣晶體生長的調控作用。 -
With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models
熱力學理論和方法已足以獲得準確的相平衡關系；然而即使對于簡單的二元物系的結晶過程，晶核形成和晶體生長動力學的研究仍面臨許多困難，通常採用經驗模型表述，而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵，因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。 -
The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。 -
On the basis of this test, we studied the mechanism that the alkli elements ( such as k, na, ca ) control the crystallization of sapphire
在此基礎上討論了k ， na ， ca等堿質元素對于藍寶石結晶的控制機理。 -
The aqueous solution of 4 - bapta was used as an effective soft - template to regulate and control the crystallization of caco3
以4 - bapta體系為模板，研究了其對碳酸鈣晶體生長的調控作用。 -
As crystallization progresses across the temperature gradient, it is possible to move the sample by precise stepper motor control ( at specified rate ) in the opposite direction so that the crystallization front remains in the field of view
當沿著溫度梯度方向發生結晶過程的時候，可以向相反方向通過高精度步進馬達移動樣品，這樣可以把結晶前沿始終保持在視域中。 -
Based on the summarization of current situation of fluorine - free mould fluxes at home and abroad, the main problem during decreasing fluorine for high carbon steel and peritectic steel mould fluxes was analyzed, which includes the stability between viscosity and temperature at high temperature as well as effective control of crystallization properties
摘要綜述了國內外無氟連鑄結晶器保護渣發展狀況，分析了目前高碳鋼和包晶鋼（特別是亞包晶鋼）用保護渣降氟過程中面臨的主要問題：高溫時粘度溫度特性的穩定性以及保護渣結晶性能的有效控制。
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