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Melilite-rich Inclusions The different melilite-rich inclusion in Ningqiang displayed the differences in the petrologic features such as its shape, size and texture and so on. For example: their shape can be irregular, lump, subglobe, and globe.

不同的富黄长石包体显示出在形状、大小和结构等特征的差异,例如:它们的形状可以为不规则的,团块形的、准球形球形的。

The preparation of three different shapes a-Fe2O3 nano-particles by means of force hydrolyzation was discussed in this paper. By controlling the experimental conditions (Fe3+ concentration, acidity, reaction time, reaction temperature etc.), the particles with different shapes (ellipsoidal, pseudocubic, sphere) were obtained.

本论文采用强迫水解法制备了三种不同形貌的α-Fe_2O_3水溶胶,通过对反应条件Fe~(3+浓度、酸度、反应温度、反应时间等的控制获得了不同形貌(椭球形球形、准立方体形)和粒径的α-Fe_2O_3,并利用浸渍—提拉法制备了α-Fe_2O_3纳米粒子薄膜。

The results showed that spherical BaCO3 particles with low reaggregation and uniform size of about 100nm could be prepared by using solid-state reaction of Ba(NO3)2 and Na2CO3 at room temperature; while stick shape particles, whose size is not uniform, were obtained for the BaCl2 2H2O and Na2CO3 system. For the Ba(NO3)2 and NH4HCO3 system, the products are spherical whose average size is about 200nm.

利用Ba(NO_3)_2与Na_2CO_3固相反应体系,可以制备出平均粒径约为100nm,形貌近似为球形的纳米BaCO_3;由BaCl_2·2H_2O与Na_2CO_3体系所得产物主要为棒状BaCO_3,且大小不一;由Ba(NO_3)_2与NH_4HCO_3体系可以制备出平均粒径约为200nm、形貌近似为球形的BaCO_3粒子。

Seeds 1-3, subglobose or semiglobose; testa membranous, reticulate veined, with ca. 1.5 × 0.6-0.7 cm spatulate scars on outer side.

种子1-3,近球形的或半球形;种皮膜质,网状脉,在外部边上有大约 1.5 * 0.6-0.7 厘米匙形的痕。

Bulb ovoid-globose to ovoid; leaves subequaling scape, semiterete

鳞茎卵球状球形的到卵球形;叶近等长于花葶,半圆柱形 80 ALLIUM herderianum 金头韭

Ovary narrowly ovoid-conic or ovoid, ca. 2.5 mm, apex sericeous or papillose; style short, ca. 0.5 mm; stigma globose.

子房狭卵球形圆锥形或卵球形,长约2.5毫米,先端被绢毛的或具小乳突的;花柱短,长约0.5毫米;柱头球状。

These characteristic radiological signs of pulmonary spheral tuberculosis are of great use in the diagnostic work-up of patients with pulmonary spheral tuberculosis and spiral cr. MPR, VR techniques are clinically valuable.

球形肺结核CT表现具有一定的特征性,多排螺旋CT规范的扫描及后处理技术对球形肺结核的诊断具有重要的临床价值。

Optimal technical conditions of preparing spherical nitroguanidine had been obtained by adopting uniform design experimentation, and the spheral nitroguanidine with higher bulk density had been prepared.

采用均匀设计法优选球形硝基胍制备工艺,可获得较大堆积密度的球形NQ。

A novel polymer of Poly(diglycidyl maleate-co-stearyl methacrylate) was synthesized and its structure was characterized by ~1H NMR. Its self-assembly behavior was studied in different solvents. It was found that vesicles and tubule-liked aggregates can be obtained through self-assembly of P(DGMA-co-SMA)/THF/EtOH system. And spheral aggregates were obtained in P(DGMA-co-SMA)/THF/H_2O system while the spheral aggregates were converted into rod-liked aggregates and line-liked aggregates after aged for different time.

合成了带含环氧基侧链和十八烷基侧链的聚(马来酸二缩水甘油酯-co-甲基丙烯酸十八酯),用~1H NMR对所得的共聚物进行了表征;研究了其在选择性溶剂中的自组装行为,发现P(DGMA-co-SMA)/THF/EtOH体系可以通过自组装形成囊泡形自组装体和支化的管状自组装体,P(DGMA-co-SMA)/THF/H_2O体系最初自组装形成球形自组装体,随着陈化时间的延长,球形自组装体逐渐融合成长条形自组装体和线形自组装体;探讨了自组装过程的机理,建立了可能的自组装过程模型。

The results show that the nano-magnetoliposomes prepared contain As2O3. They are spheric or elliptic particles with clear magneticcore.

结果所得纳米As2O3磁性脂质体粒径为(190±80)nm,球形或卵球形,有一个明显磁性核心,As2O3的包封率为53.0%。

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