1) PCC algorithm
PCC算法
1.
Using the PCC algorithm for selecting the small feature samples code of speech signals,it can avoid ignoring small feature samples and producing the cavities for the small feature samples cluster.
针对说话人识别采用LBG算法训练码本进行矢量量化(VQ),对初始码书依赖性大,容易陷入局部最优而忽略语音信号中的小样本特征等,提出一种添加小样本特征的VQ改进算法,采用PCC算法提取语音信号的小样本特征码本,避免发生小特征样本被忽略及由小特征样本聚类产生空胞腔的情况。
2) precipitated calcium carbonate
PCC
1.
The dissolution behavior of precipitated calcium carbonate filler was analyzed and evaluated, and its dissolution-inhibition modification was preliminarily studied, and the corresponding dissolution-inhibition effects of alum, alum/sodium silicate, sodium silicate/hydrochloric acid, zinc chloride, and sodium silicate/zinc chloride on precipitated calcium carbonate filler were evaluated.
对一种国产造纸填料级沉淀碳酸钙(PCC)的溶解性及溶解抑制改性进行了初步研究。
2.
Phosphoric acid and phosphoric acid/cofactor were used in the dissolution-inhibiting modification of papermaking grade precipitated calcium carbonate (PCC) filler,and the dissolution-inhibiting effects of the inhibitors were studied.
将磷酸及磷酸/辅助剂加入至沉淀碳酸钙(PCC)填料悬浮液中,对填料进行改性处理,探讨了改性剂对PCC的溶解抑制作用。
3) PCC
可编程计算机控制器(PCC)
4) programmable computer controller(PCC)
可编程计算机控制器(PCC)
5) programmable control computer(PCC)
可编程控制计算机(PCC)
6) PCC pile
PCC桩
1.
Numerical analysis on cushion in PCC pile composite foundation;
PCC桩复合地基褥垫层作用数值分析
2.
Influence of reinforced cushion in PCC pile composite foundation;
加筋褥垫层在PCC桩复合地基中的影响研究
3.
By the construction practice of soft soil ground reinforced with PCC pile in Beijing-Tianjin highway Tianjin westen part project,the key control technologies and some quality problems arised easily during the construction of PCC piles are analyzed and studied with the work theory and construction technologies of PCC pile.
通过京津(北京至天津)高速公路天津西段工程PCC桩加固软土地基施工实践,结合PCC桩的工作原理和施工工艺,分析和研究PCC桩施工过程中的关键控制技术及易出现的质量问题,总结了一些可供参考与借鉴的施工数据和施工经验。
补充资料：PC
聚碳酸酯(双酚A型)化学名称2，2-双(4-羟基苯基)丙烷聚碳酸酯，是由酯交换法和光气化法制得。平均分子量3.57×104。无定形透明颗粒．无味、天臭、无毒。相对密度1．20-1.43。没有明显熔点，220-230℃呈熔融状态。透光率高，吸水性低，耐冲击，韧性好．蠕变小，制品尺寸稳定。耐热性和耐寒性较好．玻璃化温度149-150℃．热变形温度135℃(1．82MPa)、分解温度＞310 ℃，脆性温度－l00 ℃，使用温度-100～120 ℃。耐稀酸、耐油、不耐碱。溶于二氯甲烷、二氯乙烷、氯仿、三氯乙烯、四氯乙烷、四氢呋喃、三甲酚、磷酸三甲酯等。疲劳强度较低，容易产生应力开裂。具有优良的高温电性能，具有耐燃自熄性。拉伸强度 ＞60MPa, 伸长率＞60％，弯曲强度＞95MPa。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条