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- natural bond sand 天然粘结砂
- As soon as this need ceases, the natural bond is dissolved. 这种需要一旦停止，自然的联系也就解体。
- natural bonded sand 天然粘结砂
- Natural bond orbital (NBO) analysis was performed to reveal the origin of the interaction between hosts and objects. 用自然键轨道(NBO)分析揭示了主客体相互作用的本质。
- The results of the natural bond orbital (NBO) analyses also show that donor to acceptor interactions make mainly contribution to the stabilities of complexes. NBO分析结果也说明在相互作用体系中,电子给体轨道与电子受体轨道之间的相互作用(即电荷转移相互作用)对于维持相互作用体系的稳定都起着非常重要的作用;
- The changes of atomic charge assignments have been investigated using Natural Bond Orbital (NBO) analysis and indicate some charges have transferred to the anion from the cation. 此外通过自然键轨道(NBO)分析阴阳离子间的电荷分布，发现阴阳离子间有电荷转移，且该C-H键上的氢原子电荷变化最为明显。
- This product fits for mixing recycled resin bonded sand and soluble glass sand. 该系列产品主要用于再生后的树脂砂及水玻璃砂的混制。
- naturally bonded sand [机] 天然粘结砂
- Geometry optimization and natural bond orbital analyses for Re2(edt)4 were carried out with B3LYP method. Molecular orbitals and excited states for Re2(edt)4 were calculated with single excitation configuration interactions (CIS) method. 用密度泛函理论中的B3LYP/CEP-4G方法对Re2（edt）4进行了结构优化和自然键轨道计算,并用单电子激发组态相互作用方法（CIS）计算了Re2（edt）4的分子轨道和激发态。
- It is recycling machine for machine with acentric dry method, fits for recycling resin bonded sand and used sand. 该机是机械离心干法再生装置,主要用于树脂砂旧砂的再生。
- It is recycling machine for machine with acentric dry method, flts for recyclingresin bonded sand and used sand. 该机是机械离心干法再生装置，主要用于树脂砂旧砂的再生。
- Theories of nature bond orbital（NBO）and atoms in molecules (AIM) were used to discuss bond nature and relative stabilities of such conformers. 利用自然键轨道理论(NBO)和分子中的原子理论(AIM)分析了这些异构体的成键特征、相对稳定性。
- It for consolidating molding sand, such as resin bonded sand, as well as tamping sand, such as clay sand or self hardening sand. 本机主要用于树脂砂造型时型砂的振实,也可用于粘土砂造型或自硬砂造型实砂型的振。
- It is latest boiling rotor regenerating device which passes national patent and is designed with optimized technique, fit for reusing clay sand and resin bonded sand. 是采用国家专利并经优化设计的一种新型沸腾式转子再生机。主要适用于粘土砂及树脂砂的再生。
- Based on the analysis of the method used in foundry industry to describe the ability of reclaimer in resin bonded sand at present, a new method was recommended and tested. 在分析国内目前衡量树脂砂再生系统再生能力指标（脱膜率）的基础上，提出了一种新方法（脱膜速率）．并用试验验证了该新方法的实用性和科学性。
- Compared with that of furane resin bonded sand,the feasibility of phenol resin bonded sand in forming a uniform coating layer in the inside mould surface is studied as well. 本文分析研究了砂在铸型中的成型条件及光洁内表面的形成机理，并对比研究了覆膜和呋喃自硬砂在铸型内表面形成均匀覆砂层的可行性。
- Family reunion and sharing our natural bonds such warm tableaus, while family separation and the loss of family members are such painful experiences. 团团圆圆、共享天伦是多么温馨的画面；妻离子散、痛失亲人是多么痛苦的体验。
- Comparing with traditional claybonded sand or sodium silicate bonded sand, Resin bonded sand makes great possibility of cracking in castings, especially scattered tiny crack. 树脂砂较之传统的粘土砂或水玻璃砂工艺,其铸件裂纹倾向增大,尤以弥散性微细裂纹更为突出。
- Family reunion and sharing our natural bonds are such warm tableaus, while family separation and the loss of family members are such painful experiences. 团团圆圆?共享天伦是多么温馨的画面，妻离子散?痛失亲人是多么痛苦的体验。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
