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For any planar graph G of order n ,if g ≥ 4,then e ≤ 2n — 4 and δ≤ 3

我们可以证明，如果Δ≥9和g≥4，或者Δ≥8和g≥6，那么平面图G存在均匀Δ-染色

Moreover, the effects of nano silicon dioxide (SiO2) particles and nano SiO2-g-PBA composited particles on the of polyoxymethylene were studied by means of mechanical properties test, scanning electron microscope and TEM.

力学性能、扫描电子显微镜及透射电子显微镜等测试表明：纳米SiO2在POM中团聚明显，而SiO2-g-PBA纳米复合粒子POM中分散均匀，导致POM/SiO2-g-PBA纳米复合材料的缺口冲击强度明显高于POM及POM/SiO复合材料，当SiO2-g-PBA纳米复合粒子的质量分数为2%时，POM/SiO2-g-PBA复合材料的冲击强度是POM的8倍多，同时拉伸强度有一定的增加。

We first characterize the groups in which all m∈cdq〓 contain at most 4 prime divisors; and then show the following: if any m∈cdq〓 is nth-power-free then the derived length of solvable group G is bounded by a function f depended only on n; also if cdq〓 has k different p-parts then the p-length of solvable group G is bounded by a function g depended only on k.

首先研究了非线性不可约特征标对应的特征标次数的商至多含有4个素因子的有限群结构。其次，我们证明：若每m∈cdq〓是n次方自由的，则有限可解群G的的导长及p-长都被仅依赖于n的函数所界定；若cdq〓中共有k个两两不同的p-部分，则有限可解群G的p-长能被仅依赖于k的函数所界定。

The authors use the condition that some subgroups of a finite group G has a U-s-supplement or be S-quasinormal in G, to give some conditions under which the group G is supersolvable and generalize some of these results into formations.

利用群G的某些子群在G中或有F-s-补充，或为S-拟正规，给出有限群为超可解的若干充分条件，并将其中的一部分结果推广到群系中。

Results ① Plasma theophylline concentrations were in the range of 5~20 μg/mL in 668 patients of 908 patients (except one patient who committed suicide with theophylline), surpassing 20 μmL in 76 patients, and lower than 5μg/mL in 164 patients.

结果 ①除服茶碱自杀的1例病人外，其余908例病人中，首次检测茶碱血药浓度在5~20μg/mL范围内668例，超过20μg/mL者76例，低于5μg/mL者164例。

For any two vertices u and v of a graph G, a u-v geodesic is the shortest path between u and v. The set I consists of all vertices lying on a u-v geodesic. For SV, I is the union of all sets I for vertices u, v∈S. The geodetic number g is the minimum cardinality among the subsets S of V with I=V.

对于图G内的任意两点u和v，u-v测地线是指在u和v之间的最短路。I表示位于一条u-v测地线上所有点的集合，对于SV，I表示所有I的并，这里u，v∈S，G的测地数g是使I=V的最小点集S的基数。

The vertex set of the complete graph Tof a graph G is the union of the vertex set of G and the edge set of G,two elements are adjacent in T if they are neighbour elements in G.

全图T是以V和E为顶点集，当T的两个顶点在G中是邻元素时，它们邻接。

Open, create, and save audio files in any of the supported formats (can also save any portion of a loaded file to disk as a new file); Display audio data waveform (Zoom Full, Zoom In, Zoom Out, Zoom Vertical); Play audio files or any portion of the files; Record audio data from a microphone or any other available input device; Edit audio files visually (Cut, Copy, Delete Selection, Delete Silence, Paste, Paste From File, Mix, Mix From File); Apply various effects (Amplify, Compressor, Delay, Equalize, Fade In and Fade Out, Flanger, Invert, Normalize, Phaser, Reverb, Reverse, Silence, Shrink, Stretch, Vibrato, etc.); Apply different filters to any selected portion of audio files; Supports all major audio file formats such as uncompressed WAV; compressed WAV; MP3, MP2; Ogg; WMA; CDA; AVI; AIFF; AU; G.721, G.723, G.726; VOX; RAW.

音频编辑与魔术你可以：开放、创造、救任何音频文件格式的支持(也可以节省一部分的任何档案装作为一个新的磁盘档案)；数据显示音频波形(变焦满变焦，变焦，变焦垂直)；发挥音频文件或任何部分档案；音频记录数据可从麦克风或其他输入设备；视音频编辑档案(减、拷贝、选择删除，删除沉默，糊，糊，从立案、组合，从组合档案)；运用各种效果(放大、压缩、延迟、均衡、而在淡出褪色、对接、转化、规范化、移相、混响、逆向、沉默、退缩、舒展、颤音等)；采用不同过滤任何选定部分音像档案；支持所有主要的音频文件格式如无压缩波；压缩波； MP3及MP2等； Ogg；医协；综合；中AVI； aiff；凹； G.721、g.723、压缩；氧化钒；生吃。

We used wood tar as a blending agent to produce shaped activated carbon and the abrasion resistance of it is larger than 85%; the BET surface area is 1577.55m2/g. The abrasion resistance of unshaped activated carbon is 80% and BET surface area is 1789.87m2/g. The ash contents of powdered activated carbon, and unshaped activated carbon prepared by physical method are less than 0.2%; the iodine number is 1200 mg/g; the maximum 0.15% methylene blue adsorption value is 18ml/0.1g.

其中定型颗粒活性炭是用木焦油为粘合剂，最终产品的强度在85％以上，比表面积为1577.55m~2／g；实验中所制备的不定型颗粒活性炭和粉状活性炭的灰分含量不超过0.2％；碘吸附值达到1200mg／g；亚甲基蓝最高吸附值为18.0ml／0.1g。

Their 95% effective concentration (EC95) value was 0.4735 μg/mL. Flumorph at the concentration of 0.5 μg/mL, can lead the inhibit rate of growth of mycelium, formulation of sporangium and germination of zoospore of Phytophthora sojae to 100%, the concentration was lower than Apron XL, Metalaxy which lead to the same inhibition rate. It indicated that Flumorph can obviously inhibit the growth of P.sojae in vitro, and effect is better than that of Apron XL and Metalaxy.

结果表明：氟吗啉对所测定的菌株4个发育阶段均有显著的抑制作用，氟吗啉对大豆疫霉菌菌丝生长EC50 值为0.1906μg/mL，EC95 值为0.4735 μg/mL；在0.5 μg/mL 浓度下对大豆疫霉菌孢子囊形成和孢子萌发抑制率达100%，低于达到相同抑制效果的金阿普隆和甲霜灵；说明该药剂在离体条件下能够有效抑制大豆疫霉菌的生长，效果好于金阿普隆和甲霜灵。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。