查询词典 hydroxide

The experimental results of geochemical speciation in the soils show that more than 85% of 7Be, 137 Cs, 226 Ra and 228 Ra are bound to organic matter, Fe Mn oxy hydroxide and residual fractions.

岩溶山区表土中7Be、137Cs、226Ra和228Ra地球化学相分配的实验研究表明，4种核素绝大部分（85％以上）存在于FeMn氧化物、有机质及残渣相中。

Ammonium Copper Quaternary is a novel wood preservative. DDAC, copper sulfate pentahydrate, ammonium hydroxide or ethanolamine were used to synthesize three different kinds of ACQ.

利用二甲基二癸基氯化铵、五水合硫酸铜、氨水或乙醇胺合成3种不同的氨溶烷基铜铵（ACQ，包括A型、B型、D型）。

Al (OC3H7)3 was added to an excess of distilled water (Al : H2O = 1:60-100 ) under vigorous stirring. Nitric acid [HNO3] was then added to peptize the hydroxide precipitate (Al: HNO3 = 1: 0.16). The reaction vessel was then closed and maintained for 48h at 90° C to get clear boehmite sol.

水解和缩聚反应的最终产物为非晶态的一水氢氧化铝，由许多 AlOOH 相互聚合交联形成的胶核处于中心位置，其外层是紧密吸附的同种离子 Al2O22+，它们共同构成了胶粒。

Reflecting layer is composed of TiO2 large nano-particles with mean grain size of 250nm or 150nm prepared using organic alkali tetramethylammonium hydroxide as peptizer. Nano-crystalline TiO2 porous thin film composed of small nanocrystalline (10~20nm) was used as a substrate layer to absorb large amount of dye molecules.

用有机碱四甲基氢氧化铵做胶化剂制备的两种大粒径纳晶TiO2（粒径为250nm和150nm），用它们分别制备薄膜做为反射层；用小粒径纳晶TiO2(10~20nm)来制备的纳晶多孔薄膜为底层膜，用于吸收大量的染料。

The method is presented as follows: firstly, potassium phthalimide is synthesized by phthalimide reacting with potassium hydroxide at the room temperature.

该法先在室温条件下以邻苯二甲酰亚胺与氢氧化钾反应合成了邻苯二甲酰亚胺钾。

Methods:Compounding plup-capping agents consisted of erythromycin,metronidazole indomethacin mixed with CPC.Compounding plup-capping agents as direct plup-capping agents were used in 78 exposed plup cases as experitmetal group. Pure calcium hydroxide were in 51 exposed plup cases as controls.

在磷酸钙骨水泥中添加红霉素、甲硝唑、消炎痛形成一个消炎、止痛的药物缓释系统和具有良好生物相容性的盖髓剂，对实验组78例露髓者行直接盖髓，对照组51例用氢氧化钙盖髓，进行临床研究。

The hydroxide value and viscidity of lignin-based polyhydric alcohol are 450～550mgKOH/g and 500～1000mPa.s respectively while 20 parts lignosulfonate calcium dissolves in common polyhydric alcohol for 2 hours.

4在160～170℃，20份木质素磺酸钙与GR-4110G多元醇互溶2小时得到羟值为450～550mgKOH/g、粘度在500～1000mPa.s的木质素多元醇。

A terephthalate anion-pillared Ni-Al hydrotalcite-like layered double hydroxide was synthesized on the surface and within the pores of γ-Al 2O 3 by in situ crystallization and a polytungstate anion-pillared hydrotalcite was subsequently obtained by ion-exchange.

采用原位沉积法在γ-Al2O3表面原位合成了对苯二甲酸阴离子柱撑的镍铝水滑石，并用同多钨酸根阴离子部分交换了镍铝水滑石中的对苯二甲酸阴离子。

Thus endodontic treatment of choice comprises pulpotomy and subsequent dressing with calcium hydroxide.

如果能在此过程中使用激光，因激光具有蒸发凝固并封闭小血管的作用，则易形成无血的区域，治疗伤口表面，同时达到消毒的目的。

Methods: We established an experimental model of rat molars pulpitis, used homemade Calcium hydroxide compound as pulp-cap in pulpotomy of rats' teeth, Calvital and blank were det as the control groups. Forty rats' teeth in each group were observed using light microscope 4 and 12 weeks after pulpotomy.

建立大鼠早期牙髓炎的模型，应用自制氢氧化钙复合制剂作为鼠牙牙髓切断术的盖髓剂，以calvital作对照组及无盖髓剂作为空白对照组。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。