合成

The results show that, in the process of preparing TiC-Al2O3-20Fe cermet by SHS/PHIP, the release of gases and the existence of the liquid are the important factors. The products consist of TiC and Al2O3 particles and quasi-continuous Fe-binder phase.

结果表明，燃烧合成过程中气体的排放和液相的存在是合成密实材料的关键，通过优化工艺合成了密实度为97.7％的TiC-Al2O3-20Fe金属陶瓷。

Employing high-dilute method and 5-fold excess amine prepared two new "two-armed" acyclic diamine intermediates I_a and I_b, which are also intermediates of synthesizing microcyclic compounds, and eight aromatic Schiff bases, II_, were synthesized from reaction of I_a or I_b condensing with different aromatic aldehydes. Their composition and structure were characterized by Elemental analysis, IR, UV-Vis, LIF,~1HNMR and MS. The hydrogen bond interactions and MS fragmental patterns were also discussed.3. Several novel transition metal complexes using II_a as ligand were synthesized and identified by Elemental analysis, IR, UV-Vis,~1HNMR and molar conductivity.

1，采用高度稀释及胺过量五倍的方法合成了两个具有吡啶双酰胺臂的非环二胺Ⅰ_a和Ⅰ_b，并以它们为中间体进一步合成了八个芳香席夫碱Ⅱ_a-Ⅱ_h，通过元素分析及各种波谱测试鉴定了它们的组成与结构，对化合物的UV-Vis、LIF、IR、~1HNMR及MS进行了较为详细的讨论，还探讨了席夫碱的氢键相互作用及质谱裂解方式； 2，以席夫碱Ⅱ_a为配体合成了几个新型的过渡金属配合物，并通过元素分析、UV-Vis、IR、~1HNMR、摩尔电导及DTA—TG对其进行了表征，讨论了化合物的配位情况及配体在配位中的脱质子行为。

Passive cooling system is composed of multiple sets of fans, which can remove the heat of LED beads adequately even in high room temperature conditions. Besides, KEY's tooth optical cooling technology, completely solved the high-power LED thermal problems.

目前大功率芯片以1W~3W为主。5W以上的单颗LED全由1W或3W合成，能合成10~50W的单颗灯珠，但其需要超大型散热器加风扇来减少光衰，但散热和光衰还是难以控制，可能在3-5年内也难在技术上解决合成灯珠发热太高的问题。

The eternal goal for diamond Synthesize is to make bigger reaction chamber, to increase the utilization ratio of space, materials and energy resources in the process of diamonds synthesizing and to improve the thermal stability of the diamonds.

稳定地实现大腔体金刚石合成，大幅度提高金刚石合成中的空间、材料、能源利用率及提高金刚石的热稳定性等，是工业钻石合成永恒的研究内容。

In the present dissertation, a surfactant-templated mesoporous silica molecular sieve with high pore volume, high porosity and narrow bimodal mesopore size distribution was synthesized for the first time in a reaction system, which was used usually in the synthesis of mesoporous MCM-41 molecular sieves, by a judiciously controlled two-phase sol-gel processing under basic conditions.

在本论文中，我们通过对一个通常用于制备介孔MCM-41分子筛的反应体系中正硅酸乙酯水解与缩合反应相对速率的精确调控，首次在弱碱性体系中合成了一种具有高孔隙率、大孔体积和双介孔孔分布特征的新型二氧化硅分子筛材料，简记为BMS，并对BMS二氧化硅分子筛中双介孔结构形成的原因及各种可能对其结构和性质产生影响的合成因素如Ammonia／silica摩尔比、组分浓度的变化、表面活性剂烷基链长度的调节、辅助有机物均三甲苯的引入、催化剂的结构和性质、溶剂和助溶剂的极性和用量、老化和干燥条件的变化及合成后水热处理等，利用不同的测试手段如XRD，SEM，TEM，〓Si MAS NMR，TG-DTA，N〓吸附测试等进行了系统的表征研究。

On the basis of network transmission using architecture of MPEG-4,and combined with the characteristics of object-based encoding and interaction in MPEG-4,this paper presents a transmission framework design to support interactive multimedia scene,which makes end users to choose their interested contents to compose corresponding scene,controls multimedia data transmission and interacts with sever side to modify scene in real time.

0引言目前大多数多媒体服务提供的仅是单个音视频或具有2D功能的视频流的传输和播放，但MPEG-4标准为合成描述、压缩、存储自然和合成的音视频数据提供了一个广泛的框架，它以媒体对象为基础，通过对象操作可使用户在接收端直接将不同对象进行拼接，得到用户自己合成的图像，也允许

And we established six new synthetic routes to nanostructured materials, such as (1) solvothermal element direct reaction,(2) organic solvent room-temperature conversion,(3) solvothermal co-reduction,(4) solvothermal self-reduction,(5) mid-temperature reduction-Pyrolysis-Catalysis,(6) hydrothermal chemical self-regulation, etc. Successfully synthesized over twenty kinds of semiconductor, InAs, InSb, diamond, CdS, ZnSe, CdSe, CdTe, HgSe, HgTe, ZnGa〓O〓 and so on.

建立了溶剂热元素直接反应、有机溶剂室温转化、溶剂热共还原、溶剂热自还原、中温热解催化合成、水热化学反应自控制等六种纳米材料合成新方法，成功地合成出InAs、InSb、金刚石、CdS、ZnSe、CdSe、CdTe、HgSe、HgTe、ZnGa〓O〓等二十余种半导体纳米材料。

As a new type of synthesis process of materials, self-propagating high-temperature synthesis rose at the end of 1960 s to get compounds in a short time by means of the combustion heat generated by reaction itself.

中文摘要：自蔓延高温合成是二十世纪六十年代末兴起的材料合成新技术，其显著特点是利用化学反应自身放热瞬间完成其它方法无法实现的材料的合成。

Results It was shown that proliferation of fibroblasts and collagen synthesis were stimulated by wound fluid remarkably on 5 to 8 days after wounding, and that 6 Gy to total-body irradiation wound decrease this effect.

结果 在伤后5～8天，伤口液刺激FBS增殖和胶原合成的作用最强，6 Gy全身辐射后，伤口液刺激FBS增殖和胶原合成的作用都明显降低，而苯妥英钠对非辐射组和辐射组伤口液刺激FBS增殖和胶原合成的作用都有明显的提高。

Citric acid lauryl alcohol ester was synthesized by the esterification of citric acid with lauryl alcohol using p methylbenzenesulfonic acid or cation exchange resin as the catalyst.

分别用阳离子交换树脂和对甲苯磺酸催化柠檬酸和月桂醇进行酯化反应，合成了柠檬酸月桂醇酯。考察了催化剂用量、原料配比、反应时间和反应温度等对合成反应的影响，优化了合成工艺条件。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失