无铅燃料油及制备方法     

.　　近几年  我国研制成功的液化汽车液化汽汽油两用车及甲醇车已运用于社会  减少了污染  节约了能源  但这些都存在着需要重新改装发动机的问题  且改装费用很高  给推广普及带来一定程度的限制.　　…… 《技术与市场》2001,(10):12-13

００１０９５１１．０ 近几年，我国研制成功的液化汽车、液化汽、汽油两用车及甲醇车已运用于社会，减少了污染，节约了能源，但这些都存在着需要重新改装发动机的问题，且改装费用很高，给推广普及带来一定程度的限制。 本发明的目的是提供一种不含铅、没有污染、工艺流程简单、成本低、点火性能好、易发动、热效率及节油力高的无铅燃料油。 这种无铅燃料油中含有松节油、苯、甲醇和复合添加剂，各成份的重量配比为： 松节油１８份～２２份，苯２２份～２６份，甲醇５０份～５５份，复合添加剂１份～２份。 其中，复合添加剂中含有石腊、…  相似文献   

科技文章写作格式规范化简要（一）     

编者按：《四川畜牧兽医》自年改期改版以来  受到广大读作者的喜爱  稿件大幅增加。但许多作者由于对科技期刊稿件写作规范不甚了解  因此录用刊登上受到局限。为此  本刊特就科技文章写作规范化问题  以《中国学术期刊 《四川畜牧兽医》2001,28(1):53

《四川畜牧兽医》自1999年改期改版以来，受到广大读作者的喜爱，稿件大幅增加。但许多作者由于对科技期刊稿件写作规范不甚了解，因此录用刊登上受到局限。为此，本刊特就科技文章写作规范化问题，以《中国学术期刊（光盘版）检索与评价数据规范》为蓝本，分期摘录其中有关内容，供作者撰稿时参考。  相似文献   

饲料中蛋白质快速测定的研究   总被引：1，自引：0，他引：1  

潘中华  韩国纪 《畜牧与兽医》1994,26(4):164-166

饲料中蛋白质快速测定的研究潘中华，徐燕芳（上海市饲料产品质量监督检验站）韩国纪，党曙蓉，蒋亚平，桑蚕（上海大江有限公司质量管制中心）蛋白质是鉴定饲料质量时必测的常规营养指标。测定饲料中蛋白质速度的快慢，关键在于消化时所用催化剂种类和消化温度的选择。国...  相似文献   

肥料对饲用高粱的影响     

Gang.  KS 常月帆 《杂粮作物》1992,(1):52-53

为高粱繁茂的营养生长,需制定适当的肥料施用计划。到目前为止,已完成的研究工作,仅限于有机肥施于饲用高粱,且是在灌溉条件下。但是,在雨养条件下,把有机肥与无机肥一起施用的报道是很少的。因此,为在雨养条件下取得较高产量,找出有机肥与无机肥一起施用的肥源和数量,进行试验。1988和1989年雨季,在印度占西进行,土壤为砂质粘土,pH7.35。土壤有机质(0.46％)含量低,有效氮(175.6公斤/公顷),有效磷(13.4公斤/公顷)和有效钾(202.4公  相似文献   

韩国农业机械化考察报告     

山东省赴韩国农机技术考察团 《山东农机化》2001,(2):8-8

经省有关部门批准，山东省赴韩国农机技术考察团于2000年12月1日～7日对韩国的农业机械化情况进行了考察。现将考察情况报告如下：  相似文献   

小麦野生种质的评价和利用     

Gill  KS 马云彤 《国外农学:麦类作物》1992,(1):1-3

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在羽毛中形成包涵体的鹦鹉喙羽病病毒     

Lati.  KS 杨奎 《国外兽医学(畜禽传染病)》1992,12(3):32-34

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猪未成熟卵的体外受精     

日本农林水产省畜牧研究所和静冈大学的研究人员成功地对猪的未成熟卵进行了体外受精  并产下小猪。由于未成熟卵可进行冷冻保存  因此可望在培育新猪种方面发挥作用。　　研究人员从大型约克夏猪的卵巢中取出未成熟的卵子  置于培养器内h  使之成熟  使之受精后  在良好状态下发育的个卵子移植到猪的输卵管内  后来成功地产下了头小猪。发育初期阶段卵裂的卵子约为％。　　过去采用的猪人工授精技术  即使精子到达卵子  也难以良好地发育。而这次研究人员采用了由牛的血清和猪的卵泡制成的培养液  并添加了半胱氨酸 《江西饲料》2001,(1):41

日本农林水产省畜牧研究所和静冈大学的研究人员成功地对猪的未成熟卵进行了体外受精，并产下小猪。由于未成熟卵可进行冷冻保存，因此可望在培育新猪种方面发挥作用。 　　研究人员从大型约克夏猪的卵巢中取出未成熟的卵子，置于培养器内36h，使之成熟，使之受精后，在良好状态下发育的75个卵子移植到猪的输卵管内，后来成功地产下了3头小猪。发育初期阶段卵裂的卵子约为53％。 　　过去采用的猪人工授精技术，即使精子到达卵子，也难以良好地发育。而这次研究人员采用了由牛的血清和猪的卵泡制成的培养液，并添加了半胱氨酸(氨基酸的一种)，从而促进了发育。(李兵译自俄《畜牧业》  相似文献   

改善奶牛繁殖障碍,提高奶牛繁殖力措施     

许兆辉  韩国  白桂梅  刘丽梅  汤天晓 《畜牧兽医科技信息》2005,(7):35-36

奶牛繁殖障碍发生的几率高于其他动物，可达15%～20％。按不孕的原因分，以子宫内膜炎引起的不孕牛所占的比例最高，可达50．62％，卵巢疾病为次之，占40．74％，而以持久黄体最普遍，占20．37％。奶牛繁殖障碍是制约奶牛业发展的重要因素，所以及时改善奶牛繁殖障碍，提高奶牛繁殖力是发展奶牛生产的首要环节。  相似文献   

Proposed criteria for classification of acute myeloid leukemia in dogs and cats     

Jain NC  Blue JT  Grindem CB  Harvey JW  Kociba GJ  Krehbiel JD  Latimer KS  Raskin RE  Thrall MA  Zinkl JG 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》1991,20(3):63-82

Blood and bone marrow smears from 49 dogs and cats, believed to have myeloproliferative disorders (MPD), were examined by a panel of 10 clinical pathologists to develop proposals for classification of acute myeloid leukemia (AML) in these species. French-American-British (FAB) group and National Cancer Institute (NCI) workshop definitions and criteria developed for classification of AML in humans were adapted. Major modifications entailed revision of definitions of blast cells as applied to the dog and cat, broadening the scope of leukemia classification, and making provisions for differentiating erythremic myelosis and undifferentiated MPD. A consensus cytomorphologic diagnosis was reached in 39 (79.6%) cases comprising 26 of AML, 10 of myelodysplastic syndrome (MDS), and 3 of acute lymphoblastic leukemia (ALL). Diagnostic concordance for these diseases varied from 60 to 81% (mean 73.3 +/- 7.1%) and interobserver agreement ranged from 51.3 to 84.6% (mean 73.1 +/- 9.3%). Various subtypes of AML identified included Ml, M2, M4, M5a, M5b, and M6. Acute undifferentiated leukemia (AUL) was recognized as a specific entity. M3 was not encountered, but this subclass was retained as a diagnostic possibility. The designations M6Er and MDS-Er were introduced where the suffix "Er" indicated preponderance of erythroid component. Chief hematologic abnormalities included circulating blast cells in 98% of the cases, with 36.7% cases having >30% blast cells, and thrombocytopenia and anemia in approximately 86 to 88% of the cases. Bone marrow examination revealed panmyeloid dysplastic changes, particularly variable numbers of megaloblastoid rubriblasts and rubricytes in all AML subtypes and increased numbers of eosinophils in MDS. Cytochemical patterns of neutrophilic markers were evident in most cases of Ml and M2, while monocytic markers were primarily seen in M5a and M5b cases. It is proposed that well-prepared, Romanowsky-stained blood and bone marrow smears should be examined to determine blast cell types and percentages for cytomorphologic diagnosis of AML. Carefully selected areas of stained films presenting adequate cellular details should be used to count a minimum of 200 cells. In cases with borderline diagnosis, at least 500 cells should be counted. The identity of blast cells should be ascertained using appropriate cytochemical markers of neutrophilic, monocytic, and megakaryocytic differentiation. A blast cell count of > 30% in blood and/or bone marrow indicates AML or AUL, while a count of < 30% blasts in bone marrow suggests MDS, chronic myeloid leukemias, or even a leukemoid reaction. Myeloblasts, monoblasts, and megakaryoblasts comprise the blast cell count. The FAB approach with additional criteria should be used to distinguish AUL and various subtypes of AML (Ml to M7 and M6Er) and to differentiate MDS, MDS-ER, chronic myeloid leukemias, and leukemoid reaction. Bone marrow core biopsy and electron microscopy may be required to confirm the specific diagnosis. Immunophenotyping with lineage specific antibodies is in its infancy in veterinary medicine. Development of this technique is encouraged to establish an undisputed identity of blast cells. Validity of the proposed criteria needs to be substantiated in large prospective and retrospective studies. Similarly, clinical relevance of cytomorphologic, cytochemical, and immunophenotypic characterizations of AML in dogs and cats remains to be determined.  相似文献