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The caracter of modified soybean protein plastics by propylol lignin is: it is produced by propylol lignin, soy segregation protein and glycerin. The mass percent of propylol lignin is 1-25, so as to 75-99 of soy segregation protein. The mass of added glycerin is 20-50% of the total mass of propylol lignin, soy segregation protein and glycerin.

羟丙基木质素改性大豆蛋白塑料，其特征在于它主要由羟丙基木质素、大豆分离蛋白和甘油原料制得，羟丙基木质素、大豆分离蛋白各原料所占重量百分比为：羟丙基木质素1-25、大豆分离蛋白75-99，甘油的加入量为羟丙基木质素、大豆分离蛋白以及甘油总重量的20-50％。

Caudatum was studied. 0.05 mg/L could be the critical mass concn. of P. caudatum fitting to Cu(superscript 2+).Below this concn., the polysaccharide content in P. caudatum was increased in a small range with the increment of mass concn. of Cu(superscript 2+),then the growth and propagation of P. caudatum was strengthened and above this concn., the polysaccharide content was decreased significantly with the increment of mass concn. of Cu(superscript 2+), then the growth and propagation of P. caudatum began to be restrained obviously and the poison was more obvious when the concn.

结果］0.05 mg/L可能是大草履虫适应Cu(上标 2+)的临界质量浓度，低于此浓度时，大草履虫体内的多糖含量随着Cu(上标 2+)质量浓度增大而呈现小幅度的增高，大草履虫的生长繁殖得到增强，高于此浓度时，大草履虫体内的多糖含量随着Cu(上标 2+)质量浓度增大而显著地降低，大草履虫生长繁殖开始明显受到抑制，且浓度越高受毒害越明显。

ResultsThirty-one cases of intramural myoma with hysterauxesis;2 cases of submucous myoma with orbicular-ovate space-occupying mass in cavitary uteri;4 cases of subserous myoma withh CT features of clear and lobulated mass or round mass at the edge of the uterus.ConclusionCT shows the location,size of hysteromyom,and the relationship with the uterus clearly,can also provides a clinical diagnosis to doctors.

结果：壁间肌瘤31例，主要表现为子宫增大；黏膜下子宫肌瘤2例，表现为宫腔内卵圆形占位性肿块；浆膜下肌瘤4例，主要征象是子宫肿块呈明显分叶状或子宫边缘的圆形肿块；结论：CT对子宫肌瘤的位置、大小以及与子宫的关系显示比较明确，给临床医生提供重要的诊断依据。

Results The wire direction was 14~37° lateral and 18~39° cephalad for C(subscript 3~7) lateral mass when the K-wires drilled starting at the point 1 mm medial to the center of the lateral mass and exited at the juncture between the transverse process and the facet. The tips of K-wires did not injure the nerve roots and vertebral arteries. The depth of these wires in the lateral mass ranged from 9.4 to 14.8 mm.

结果 以C(下标 3~7)侧块背面中心内侧1mm处为入针点，克氏针向头侧成角18~39°、向外侧成角为14~37°，针尖可自横突与侧块相交处后方穿出，该处与神经根和椎动脉均隔以横突后结节。C(下标 3~7)侧块内进针深度为9.4~14.8mm。

The fundamental imaging features of osteosarcoma were showed bone destruction, periosteal reaction, neoplastic bone and soft-tissue mass. Among 49 cases examined by radiography, osteoblastic pattern sarcoma was found in 19 cases, osteolytic pattern sarcoma was found in 13 cases and mixed pattern sarcoma was found in 17 cases. The detection rates of bone destruction, periosteal reaction, soft-tissue mass, neoplastic bone and Codman triangle by radiography were respectively 61.2%, 95.9%, 71.4%, 73.5%and 27.7%. All 10 cases with CT scan were showed bone destruction, soft - tissue mass and neoplastic bone. The detection rates of periosteal reaction,憇ieve sign挶 and Codman triangle with CT scan were respectively 90%, 90% and 11%. The tiny neoplastic bone and"sieve sign"were showed sensitively by CT, but Codman triangle was showed by radiography superior to CT.32 cases with MRI scan presented the normal marrow was replaced by the tumor, which was showed low to intermediate signal intensity on T1-weighted images and promiscuity signal intensity on T2-weighted images. 7 cases presented hemorrhage and 24 cases presented necrosis.

骨肉瘤基本影像表现为骨质破坏、骨膜反应、瘤骨和软组织肿块。49例X线表现为成骨型19例，溶骨型13例，混合型17例；X线对骨质破坏、骨膜反应、软组织肿块、瘤骨和Codman三角的检出率分别为61.2%、95.9%、71.4%、73.5%和27.7%；10例CT表现均可见骨质破坏、软组织肿块及瘤骨，CT对骨膜反应、筛孔征和Codman三角的检出率为90%、90%和11%；CT对显示细小肿瘤骨和筛孔征最敏感，但对Codman三角的显示不如X线平片；32例MRI表现为骨髓腔内正常的骨髓高信号被肿瘤信号所取代，T1WI呈低～等信号，T2WI呈混杂信号，7例合并出血，24例中央坏死囊变，32例增强扫描均呈不均匀强化及瘤周可见水肿区。

The optimum reaction conditions were that the molar ratio of maleic anhydride and p-nitroaniline was 1.2:1, the volume ratio of toluene and DMF was 10:1, the amination temperature was 20~30℃ the cyclization temperature was 145~150℃ and the cyclization time was 6 h over; the amount of p-toluene sulfonic acid was 12% of total reactant mass, the amount of copper sulfate was 0.1~0.5% of total reactant mass, the amount of hydroquinol was 0.1% of total reactant mass.

得到的最佳工艺条件是：n：n为1.2：1，V：V为10：1；胺化反应温度为20~30℃，环化反应温度为140~150℃，环化反应时间为6h以上；对甲基苯磺酸用量为反应物总质量的1%~2%；硫酸铜用量为反应物总质量的0.1%~0.5%；对苯二酚用量为反应物总质量的0.1%。

combining the mass unbalanced response calculation method with the dyna mic balance method of the flexible rotors on the spot and based on the 1st and 2nd order mass unbalanced models, an influence coefficients method for mass unba lanced response calculation is presented.

摘 要 将目前发电机组轴系质量不平衡响应计算方法和柔性转子现场动平衡方法相结合，在给出转子一阶、二阶质量不平衡模型基础上，提出了计算轴系不平衡响应的影响系数法。

The result indicates that the critical accretion rate is affected not only by the hydrogen mass fraction and the core mass, but also by the metallicity, though the effect of the metallicity is smaller than that of the core mass.

研究结果表明，此临界吸积率不但是核质量的函数，同时还是金属丰富的函数，但金属丰度的影响比核质量的影响要小。

The influence of the excursion of the mass center of the torsional vibrating system of the three-string pendulum on the measurement of the moment of inertia is analyzed. A criterion for the mass center of the torsional vibrating system to be in alignment with the central axis of the three-string pendulum and a practical method to measure the moment of inertia of a body about a noncentral axis of mass using the three-string pendulum are proposed.

分析了三线摆扭振系统质心偏移对转动惯量测试的影响，给出了扭振系统质心与三线摆中心轴对齐的判别准则和用三线摆测定物体对非质心轴转动惯量的工程实用方法。

objective:to analyze the difference between mammary duct ectasiaand plasma cell mammitis.methods:the data of 24 cases of mde and 28 cases of pcm,including clinical manifestations,distinguished diagnoses,surgical therapy,pathological results,were analyzed.results:the clinical manifestations of mde are nipple discharge and breast mass,which should be distinguished with breast mass and early stage of breast cancer.the treatment is local resection.major pathological changes are duct ectasia and obvious periductal inflammatory changes.the clinical manifestations of pcm are breast mass and inflammatory changes,which should to be distinguished with advanced breast cancer and inflammatory breast cancer.the surgical treatment is extensive resection.the major pathological changes are inflammatory reaction and multiple abscesses in breast tissue.conclusion:mde and pcm are significant different,and they are different progressing stage of disease,thus the two diagnoses are independent.

目的：分析乳腺导管扩张症和浆细胞性乳腺炎临床上的差异。提出各自独立诊断的论据。方法：结合24例乳腺导管扩张症和28例浆细胞性乳腺炎对两病的临床症状、鉴别诊断、手术治疗、病理结果进行比较分析。结果：乳腺导管扩张症临床表现为乳头溢液和乳腺肿物，主要与乳腺肿物和早期乳腺癌鉴别诊断，手术以局部切除多见，病理表现为导管扩张及导管周围明显炎性改变。浆细胞性乳腺炎临床表现为乳腺肿物和炎性改变，主要与晚期乳腺癌和炎性乳腺癌鉴别诊断，手术切除的范围较大，病理变化以乳腺组织的炎性反应和多发性脓肿为主。结论：乳腺导管扩张症和浆细胞性乳腺炎有明显的差异，应作为这两种疾病独立诊断。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

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如果有任何问题，你可以随时联系我。